BORDER LEICESTER AND FINNSHEEP CROSSES. I. SURVIVAL, GROWTH AND CARCASS TRAITS OF FI LAMBS 1
|
|
- Sharyl Collins
- 6 years ago
- Views:
Transcription
1 BORDER LEICESTER AND FINNSHEEP CROSSES. I. SURVIVAL, GROWTH AND CARCASS TRAITS OF FI LAMBS 1 A. F. Magid 2, V. B. Swanson 2, J. S. Brinks 2, G. E. Dickerson 3 and G. M. Smith 4 Colorado State University, Fort Collins 8523, and US Department of Agriculture, Clay Center, NE Summary Data on 639 lambs were collected at the Roman L. Hruska US Meat Animal Research Center, Clay Center, Nebraska, in 1973 and 1974 and used to compare the Border Leicester (BL) and the Finnsheep (Finn) as sire breeds. Traits studied were preweaning survival rate, preweaning and postweaning growth rates and carcass traits. BL-sired lambs were.3 kg heavier at birth, 12% higher in mortality to weaning at 8 weeks and 16 g/day slower in preweaning gain, but were not significantly lighter at weaning or in adjusted 7-day weight. Sire breed had no average effect on postweaning gains or weights, but there was a significant change in the final and 22-week weights of Finn-sired versus BL-sired lambs from inferiority in 1973 to superiority in This reversal in the sire breed differences between years could reflect the change in the genetic sample of sires used in the 2 years. It also may indicate a poorer adaptability of BL-sired lambs born in 1974 to the 22% faster preweaning and 25% slower postweaning gain for 1974 versus BL-sired ram lambs had.6 cm more rib fat,.23 cm more body wall thickness, higher quality and maturity grades but less internal fat than did Finn-sired lambs, and equal yield grades and boneless or trimmed cut yields. ;Published as Paper No. 252, Journal Ser., Colorado Exp. Sta., Fort Collins. Partial publication of senior author's thesis research. Present address: Univ. of A1 Fateh, Tripoli, Libya. 2Graduate student, associate professor and professor, respectively, Dept. of Anita. Sci., Colorado State Univ., Fort Collins Roman L. Hruska US Meat Animal Research Center, SEA, USDA, Clay Center, NE Dept. of Anim. Sci., Texas A&M Univ., College Station (Key Words: Finnsheep, Border Leicester, Crossbreeding, Lamb Performance.) Introduction The performance characteristics of Finnsheep (Finn) have been reported by Maijala (1966), Donald and Read (1967), Donald et al. (1968), Bradford (1972), Laster et al. (1972), Dickerson and Laster (1975), Dickerson (1974, 1977) and Nitter (1975). Comparisons of Finn crosses with domestic breed crosses for lamb survival and for preweaning and postweaning growth were reported by Dickerson et al. (1975) and Dickerson (1977). Boylan et al. (1976) and Dickerson (1977) reported that carcasses of 89 Finn crossbred lambs had more internal fat and poorer conformation than most domestic breed crosses, but that they had comparable yields of boneless cuts and were commercially acceptable. Border Leicester (BL) sheep have not been utilied extensively in the United States. However, they are used extensively in other countries (Pattie and Smith, 1964; Donald et al., 1968; Hight and Jury, 197, 1971; Hight et al., 1976). In the United States, Light et al. (197) and Failer (1975) have shown that BL-sired ewes wean in excess of 18% lamb crop, are excellent milkers with good dispositions and shear heavy fleeces (5 to 6 kg) of medium-1ng staple wool. An experimental evaluation of BL for use in crossbred market lamb production was initiated in 1973, with Finn crosses used as controls. Preweaning livability, preweaning and postweaning growth rates and carcass traits of BL- and Finn-sired lambs are reported in this paper. Production and maternal performance of these crosses and the carcass merit of their lambs are reported in the two ensuing articles (Magid et al., 1981a, b) JOURNAL OF ANIMAL SCIENCE, Vol. 52, No. 6, 1981
2 1254 MAGID ET AL. Materials and Methods Experimental Procedure. The data reported were collected at the Roman L. Hruska US Meat Animal Research Center, Clay Center, Nebraska, on lambs born in 1973 and 1974 as a part of the Germ Plasm Evaluation Program. Phase I of the experiment involved the production of Finn- and BL-sired lambs. The distribution of lambs by breed of sire, breed of dam and year of birth is presented in table 1. In the 1972 breeding season, from November 1 to December 5, 11 Finn and six BL rams were used in single-sire pen matings. In the 1973 breeding season, from December 11 to January 21, four of the BL rams from the 1972 breeding season and three repeated Finns and one new Finn ram were used in multiple-sire matings. The BL rams were purchased in October 1972, five from the Olson flock, Dawson, Minnesota, and one from the Miller flock, Durbin, North Dakota. The Finn rams were descendants of the Finn sheep imported in 1968 and 1969 and produced at the Center (Dickerson et al., 1975). During gestation, ewes were on pasture but received supplemental alfalfa hay. Thirty days before lambing, supplemental feed was changed to include.5 kg grain/head daily. One week before lambing began, ewes were confined in drylot and fed corn silage ad libitum. Immediately after lambing, ewes and lambs were moved from the larger lambing pens into 1.2 x TABLE 1. DISTRIBUTION OF LAMBS BORN, BY SIRE BREED, DAM BREED AND YEAR Breed of No. Sire Dam Total BL Finn Total Hampshire Rambouillet a Targhee ~-Finnsheep b Hampshire Rambouillet a Targhee ~-Finnsheep b aincluded five unregistered Fine Wool and Rambouillet Fine Wool crosses. b89 group included crosses of Finnsheep with Hampshire, Suffolk Rambouillet, Polled Dorset, Targhee, Corriedale, Coarse Wool, Fine Wool and Navajo breeds. 1.5 m pens equipped with a heat lamp for a 24- to 48-hr period. A few weak lambs and those in excess of two per ewe were removed from the ewe at 1 to 2 days of age and placed in an artifical rearing unit as described by Glimp (1972). About 2 days after lambing, ewes chat lambed on the same days were grouped, along with their lambs, in larger pens and fed corn silage to weaning. All lambs were weighed at birth and scored for vigor (see footnote to table 3). Survival of lambs from birth to weaning was scored as or 1. Lambs in each pen were weaned when the youngest animals in the pen reached 5 week of age. After weaning, ram and ewe lambs were separated and placed on a self-fed growing diet in dry lots to about 22 weeks of age. The lamb growing diet is described in table 2. The 7-day weight was calculated as (prewear, ing average daily gain x 7) + lamb's birth weight. Final weights were adjusted to 22 weeks of age as follows: (postweaning average daily gain days from weaning to 154 days) + actual weaning weight. In 1974, all ram lambs produced as part of Phase I were slaughtered in two groups (November 22, 1974, and January 6, 1975) at approximately 45 kilograms. Carcass trait data and postweaning nutrition and management procedures were as described by Olson et al. (1976). Statistical Procedures. All traits were analyed by least squares as described by Harvey (1975). The model for birth traits included the fixed effects of year, sex, type of birth, age of dam, sire breed, dam breed and the two-way interaction of sire breed dam breed. Birth date was included as a continuous variable in the analysis of birth and weaning traits. The statistical model used for the analysis of weaning traits was the same as that used for the birth traits analysis, except that it included type of birth and rearing instead of type of birth alone. Birth-rearing classes were coded as described by Dickerson et al. (1975) and Olson et al. (1976) (see footnotes to table 3). The statistical model used for the analysis of postweaning traits included the fixed effects of year, type of birth-rearing, sex, age of dam, sire breed, dam breed and year sire breed, year x dam breed and sire breed x dam breed interactions. Birth date was included as a continuous variable. Because numbers were considerably smaller for postweaning than for preweaning traits, type of birth-rearing was coded simply as
3 PERFORMANCE OF LEICESTER- AND FINN-CROSS LAMBS 1255 TABLE 2. LAMB GROWING DIET (1973 AND 1974) Ingredient % Nutrient composition % Corn (IFN ) Soybean meal (44% CP) (IFN ) Alfalfa (dehydrated 17% CP) (IFN 1-O-23) Molasses (with 3% binder) (IFN ) Limestone Salt, trace minerals a Vitamine premix b Durabond Ammonium chloride Chlorotetracycline (11 g/kg) Protein Ca.41 P.34 Dig. energy 3.2 (Mcal/kg) asalt with trace mineral and organic I in 1973 and bvitamin premix contained per kilogram: 8.8 million IU vitamin A, 88, IU vitamin D and 88 IU vitamin E. single born and reared versus all multiple born or reared. The statistical model used in the analysis of carcass traits (1974) included the fixed effects of sire breed, dam breed, sire breed dam breed interaction and slaughter date. A preliminary analysis was conducted to test for all possible two-way interactions between effects included in the analysis of all traits. The analysis indicated that the only significant interactions were sire breed dam breed for birth weight and sire x year for final feedlot weight. Birth-rearing class, age of dam and birth date had no effect on the carcass traits; hence, these effects were omitted from the final analysis. Results and Discussion Birth and Weaning Traits. Birth year, type of birth, birth date and sex of lambs all had significant influences on birth weight and weaning traits (table 3). Only type of birth influenced lamb survival to weaning, and none of the environmental factors significantly affected lamb vigor at birth. Age of ewe had a significant effect only on birth weight. Lambs born as triplets or twins had lower birth weights (-1.7 and -.9 kg) and poorer livability (-38 and -16%) than lambs born as singles. Lambs born and reared as singles weighed more at weaning (3.6 kg) and 7 days (4.1 kg) and gained faster to weaning (47 g/day) than lambs in multiple type birth-rearing classifications. Ram lambs significantly exceeded ewe lambs in birth weight (.2 kg), weaning weight (.9 kg) and 7-day weight (1.2 kg) but had slightly poorer survival (-6%) to weaning. Birth weight increased significantly with age of dam, and lambs from 3- and 4-year-old ewes tended to have higher survival to weaning, faster gains to weaning and higher 7-day weights than lambs from 2-year-old ewes and ewes 5 years old or more, but these latter differences were not significant. The significant partial linear regressions on birth date, although small, indicate that lambs born later in the season were heavier at birth but gained more slowly to weaning than did lambs born earlier. Sire breed had a significant effect only on birth weight, lamb survival to weaning and preweaning daily gain (table 4). BL-sired lambs were slightly heavier (.3 kg) than Finn-sired lambs at birth, but they had 12% poorer survival to weaning and gained 8% more slowly and were not significantly lighter at weaning and 7 days of age. Dickerson et al (1975) reported that Finn crosses were superior to Rambouillet crosses in survival (81 vs 61%), preweaning gain and 1-week weight, but had lighter birth weights. In that study, only the Suffolk-sired crosses significantly surpassed Finn crosses in lo-week weight. Ewe breed effects were not statistically significant for any preweaning trait studied, except birth weight (P.1). Lambs from Hampshire ewes were heaviest at birth (4.1 kg), and lambs from the 89 and Rambouillet ewes were lightest (3.6, 3.7 kg). Survival, as adjusted for type of birth-rearing, was highest for lambs of 89 ewes (67%), followed by those of
4 1256 MAGID ET AL t.,,~ ~... e r.-,. t,-,, "~ +.., ~g ~2 c~ c:.,.+" m:mm ~ ~ ~ ~ ~ I "~ t= o U,..3 ~ N +.,~ O t= +.-, II " " N~ ~ ~ ~.~. o m o~.... ~ ~ ~ N r~ ~ ~'~'~ ~S ~ ~.~ u m, [-, M,,4..~ "~ P,~, P+"+ P,I Pr+.... M [....~ p., ~.., +~~ =,. ~~,.+-,+, "~ ~ + -- m ~m~,~,,...,,,,.., +,+-, + +~ ~ "~ -~.~ -~ ~.,~..~ e~
5 PERFORMANCE OF LEICESTER- AND FINN-CROSS LAMBS 1257.o e~ " [.., "N [..., e~ ~ u-~ u'~, eq ~t" ',~t" r [- ~m u. m~ e~ ",4" [- M,-.1 [- 9,.4
6 1258 MAGID ET AL. Rambouillet (62%), Targhee (58%) and Hampshire (54%) ewes. Lambs from Targhee ewes were the heaviest at weaning and 7 days, followed by lambs of Rambouillet, Hampshire and 89 ewes. Although not significant, these results are in general agreement with those of Dickerson et al. (1975), who reported nonsignificant differences among domestic ewe breeds in survival of their crossbred lambs and highly significant ewe-breed effects on lamb birth weight and preweaning gain. Postweaning Traits. Sex, type of rearing and birth date had important influences (P.1) on final weight (FW) and adjusted 22-week weight (W22), but only year and sex effects were important for postweaning daily gain (DG; table 5). The year x sire breed interaction was significant for FW and W22 but not for DG. Sire breed had no significant effect on any of the postweaning traits studied (table 5). However, there was a significant reversal between years in the sire breed difference in FW and W22. This may reflect genetic changes in the samples of sires between years or it may indicate poorer adaptability of BL-sired lambs in 1974, when preweaning gains were 122% and postweaning gains were only 75% of the means for Dam breed had a highly significant effect on FW, but not on DG or W22 ; lambs from Targhee and Hampshire ewes had a higher FW than lambs from Rambouillet and 89 ewes. Dickerson (1977) reported that Finn-sired crossbred lambs were much lighter at birth than Rambouillet cross and purebred lambs, but that they equaled or exceeded other lambs in weights at 1 through 22 weeks of age and then grew more slowly after 22 weeks. In TABLE 5. LEAST-SQUARESMEANS AND ERROR STANDARD DEVIATIONS FOR POSTWEANING DAILY GAIN (DG), FINAL WEIGHT (FW) AND 22-WEEK WEIGHT (W22) Factor No. a DG, g FW, kg W22, kg # 35 (329) Year *** * (166) (163) Type rearing *** *** Single 133 (128) Multiple 217 (21) Sex *** *** *** Male 171 (162) Female 179 (167) *** Finn sire 112 (99) BL sire 75 (67) *** * Finn sire 96 (96) BL sire 67 (67) Dam breed ** Hampshire dams 76 (76) Rambouillet dams 58 (49) Targhee dams 5 (48) ta-finn darns 166 (156) b (on birth date) Error standard deviation 33 (39) df anumbers in parentheses are for W2. *P.5. **P.1. ***P.O1.
7 PERFORMANCE OF LEICESTER-AND FINN-CROSS LAMBS 1259 m.,-,.,~ m,~. o. m. 9.~'~ t+-. "+.,o,+.+,,m P'-. i'~ I~ lr+' It~ I ''" ~ ~ --.,...-+ ~i~ II lira '.r ~,,.m m, + ++ ">'>+++-""+,cr+.,.~ +. +.~ m..~.t.+,!.+ " ~ l~o'c: Q f.l.l i.:.i m + ++P,,, m +" ~.,..,++.,-.mm,-t ~M +'.~ ~..,...+ ~+, ~-' ~m li m + '~" "~. +'+. ~. ~ +. ~ Q i-, i.-+., e,,,#,.w,,.+.._+..,.+._+.. 9 ~ It~ cl l:l +~i oo ~ ~- ~1 ~ ~- ~ "~ + +.m., m,-i f.l.l,.-i m., p~+ ~I m "+, , ~ + IN,.+,r+ It+. '~ I'+ ~'+ ~ ",~ {,,~ II b... ~-+.! II II 'r. ~,,, + 9 " m~ i.r-+ "," "," +-, m
8 126 MAGID ET AL. the present experiment, lambs from 89 ewes sired by Finn rams would have been expected to show less growth heterosis than lambs from the other three ewe breeds. Carcass Traits. The effect of sire breed (table 6) was significant for carcass quality grade, maturity score, body wall thickness and kidney fat and was.highly significant for 12th rib fat. Carcasses of BL-sired ram lambs had.6 cm more rib fat,.23 cm thicker body wall and slightly higher quality grade and maturity scores, but.4% less kidney fat and similar yield grade and boneless or trimmed cut yields relative to carcasses of Finn-sired lambs. Dam breed effects were significant for quality grade, leg conformation score, 12th rib fat, body wall thickness, flank firmness score and dressing percentage. Ram lambs from Hampshire ewes ranked highest in all carcass grades and in external fat, but lambs from Targhee ewes were highest in dressing percentage (54.5%). Carcasses of Iambs from 89 and Targhee ewes were similar, with less external fat and poorer conformation than, but comparable cutability to, carcasses of lambs from Hampshire and Rambouillet ewes. These results agree to some extent with those of Boylan et al. (1976) and Dickerson (1977). These authors reported that carcasses of Finn-cross lambs were slightly inferior in conformation to carcasses of domestic breed crosses in most cases, but were comparable in cutability and were commercially acceptable. Discussion This study showed no sire breed differences between BL- and Finn-sired lambs in weaning weight and 22-week weight. BL-sired lambs were heavier at birth but poorer in both survival and preweaning growth rate and similar in postweaning growth rate. In terms of carcass merit, BL-sired ram lambs were slightly superior in quality, maturity and dressing percentage associated with more external fat, but were not superior in yield grade and boneless or trimmed cut yields. These results for lamb performance of 89 and 89 crosses under semi-intensive management conditions need to be combined with those for ewe performance of these crosses to assess the relative merits of BL and Finn breeds in crossbred lamb production. Literature Cited Boylan, W. J., Y. M. Berger and C. E. Allen Carcass merit of Finnsheep crossbred lambs. J. Anim. Sci. 42:1413. Bradford, G, E Genetic control of litter sie in sheep. J. Reprod. Fertil. (Suppl.) 15:23. Dickerson, G. E Crossbreeding performance of Finn and domestic (U.S.) breeds of sheep. Proc. Working Symp. on Breed Evaluation and Crossbreeding Experiments, European Assoc. Anim. Prod., eist, Netherlands, September 15-2, Dickerson, G. E. 1977, Crossbreeding evaluation of Finnsheep and some U.S. breeds for market lamb production. North Central Region Pub. No. 246, USDA and Univ. of Nebraska, Lincoln. Dickerson, G. E., H. A. Glimp and K. E. Gregory Genetic resources for efficient meat production in sheep: Preweaning viability and growth of Finnsheep and domestic crossbred lambs. J. Anim. Sci. 41:43. Dickerson, G. E. and D. B. Laster Breed, heterosis and environmental influences on growth and puberty in ewe lambs. J. Anim. Sci. 39:94. Donald, H. P. and J. L. Read performance of Finnish Landrace sheep in Britain. Anim. Prod. 9:47. Donald, H. P., J. L. Read and W. S. Russell A comparative trial of crossbred ewes by Finnish Landrace and other sires. Anita. Prod. 1:413. Failer, Timothy C Selected breeds and crosses of sheep. M.S. Thesis. North Dakota State Univ., Fargo. Glimp, H. A Effect of diet composition on performance of lambs reared from birth on milk replacer. J. Anim. Sci. 34:185. Harvey, W. R Least-squares analysis of data with unequal subclass numbers. USDA, ARS H-4. Hight, G. K., J. J. Atkinson, R.M.W. Summer and M. L. Bigham Hill Country Sheep Production. VII. Wool traits of Romney and Border Leicester Romney ewes. New ealand J. Agr. Res. 19:197. Hight, G. K. and K. E. Jury Hill Country sheep production. I. The influence of age, flock and year on some components of reproduction rate in Romney and Border Leicester X Romney ewes. New ealand J. Agr. Res. 13:641. Hight, G. K. and K. E. Jury Hill Country sheep production. III. Sources of variation in Romney and Border Leicester Romney lambs and hoggets. New ealand J. Agr. Res. 14:669. Luster, D. B., H. A. Glimp and G. E. Dickerson Factors affecting reproduction of ewe lambs. J. Anita. Sci. 35:79. Light, Merle R., B. L. Johnson and Timothy Failer Productivity of selected breeds and crosses of sheep. 1. Experimental ewes. Farm Research. North Dakota Agr. Exp. Sta. 28, 71:26. Magid, A. F., V. B. Swanson, J. S. Brinks, G. E. Dickerson and G. W. Smith. 1981a. Border Leicester and Finnsheep crosses. II. Productivity of F 1 ewes. J. Anim. Sci. 52:1262. Magid, A. F., V. B. Swanson, J. S. Brinks, G. E. Dickerson and G. W. Smith. 1981b. Border Leicester and Finnsheep crosses. III. Market lamb production from crossbred ewes. J. Anita. Sci. 52:1272. Maijala, K Causes of variation in litter sie of
9 PERFORMANCE OF LEICESTER-AND FINN-CROSS LAMBS 1261 Finnsheep ewes. 9th Internat'l Congr. Anim. Prod., Edinburgh (Abstr. 29). Nitter, G Results of a crossbreeding experiment with sheep for different systems of fat lamb production. Livestock Prod. Sci. 2:167. Olson, Larry W., G. E. Dickerson and H. A. Glimp Selection criteria for intensive market lamb production: Growth traits. J. Anita. Sci. 43:78. Pattie, W. A. and M. D. Smith A comparison of the production of F 1 and F 2 Border Leicester Merino ewes. Australian J. Exp. Agr. Anita. Hus. 4:8.
1 of 9 7/1/10 2:08 PM
LIFETIME LAMB AND WOOL PRODUCTION OF TARGHEE OR FINN-DORSET- TARGHEE EWES MANAGED AS A FARM OR RANGE FLOCK N. Y. Iman and A. L. Slyter Department of Animal and Range Sciences SHEEP 95-4 Summary Lifetime
More informationLIFETIME PRODUCTION OF 1/4 AND 1/2 FINNSHEEP EWES FROM RAMBOUILLET, TARGHEE AND COLUMBIA DAMS AS AFFECTED BY NATURAL ATTRITION ABSTRACT
LIFETIME PRODUCTION OF 1/4 AND 1/2 FINNSHEEP EWES FROM RAMBOUILLET, TARGHEE AND COLUMBIA DAMS AS AFFECTED BY NATURAL ATTRITION S. K. Ercanbrack and A. D. Knight 1 U.S. Department of Agriculture 2, Dubois,
More informationRELATIONSHIPS AMONG WEIGHTS AND CALVING PERFORMANCE OF HEIFERS IN A HERD OF UNSELECTED CATTLE
RELATIONSHIPS AMONG WEIGHTS AND CALVING PERFORMANCE OF HEIFERS IN A HERD OF UNSELECTED CATTLE T. C. NELSEN, R. E. SHORT, J. J. URICK and W. L. REYNOLDS1, USA SUMMARY Two important traits of a productive
More informationCrossbreeding to Improve Productivity ASI Young Entrepreneur Meeting. David R. Notter Department of Animal and Poultry Sciences Virginia Tech
Crossbreeding to Improve Productivity ASI Young Entrepreneur Meeting David R. Notter Department of Animal and Poultry Sciences Virginia Tech Denver, CO Jan. 27, 2017 1 The Evolution of Modern Animal Breeding
More informationSome Relationships Between Measures of Growth and Carcass Composition in Lambs
Some Relationships Between Measures of Growth and Carcass Composition in Lambs M. Makarechiant, A.W. Munson, L.E. Walters and J.V. Whiteman Story in Brief Growth and carcass data from four groups of lambs,
More informationUniversity of Wyoming, Laramie
CROSSBRED EWES COMPARED WITH EWES OF PARENT BREEDS FOR WOOL AND LAMB PRODUCTION 1 3I. P. BOTKIN AND LEON PA!JLES University of Wyoming, Laramie ATING of black-faced rams to white- M faced, wool-type ewes
More informationKANSAS SHEEP RESEARCH 1994
KANSAS SHEEP RESEARCH 1994 Report of Progress 703 Agricultural Experiment Station Kansas State University, Manhattan Marc A. Johnson, Director TABLE OF CONTENTS Performance of Lambs Sired by Rambouillet,
More informationSheep Breeding. Genetic improvement in a flock depends. Heritability, EBVs, EPDs and the NSIP Debra K. Aaron, Animal and Food Sciences
ASC-222 Sheep Breeding Heritability, EBVs, EPDs and the NSIP Debra K. Aaron, Animal and Food Sciences Genetic improvement in a flock depends on the producer s ability to select breeding sheep that are
More informationOVULATION RATE AND LITTER SIZE OF BARBADOS, TARGHEE AND CROSSBRED EWES'
OVULATION RATE AND LITTER SIZE OF BARBADOS, TARGHEE AND CROSSBRED EWES' G. E. Bradford and J. F. Quirke 2 University of California 3, Davis 95616 ABSTRACT Ovulation rate was measured in Barbados Blackbelly
More informationDEVELOPMENT OF THE POLYPAY BREED OF SHEEP
DEVELOPMENT OF THE POLYPAY BREED OF SHEEP C. V. Hulet 1, S. K. Ercanbrack and A. D. Knight US Department of Agriculture 2, Dubois, ID 83423 Summary Development of the Polypay breed was undertaken to combine
More informationFeedlot Performance and Carcass Characteristics of Lambs Sired by Texel, Romanov, St. Croix or Dorset Rams from Polypay and St.
Volume 20, 2005 Feedlot Performance and Carcass Characteristics of Lambs Sired by Texel, Romanov, St. Croix or Dorset Rams from Polypay and St. Croix Ewes W.A. Phillips 1,2, M.A. Brown 1, H.G. Dolezal
More informationHETEROSIS RETENTION IN SHEEP CROSSBREEDING L. D. YOUNG* G. E. DICKERSON* UNITED STATES T. S. CH'ANG** R. EVANS** AUSTRALIA SUMMARY
HETEROSIS RETENTION IN SHEEP CROSSBREEDING L. D. YOUNG* G. E. DICKERSON* UNITED STATES T. S. CH'ANG** R. EVANS** AUSTRALIA SUMMARY Twelve experiments that relate to heterosis retention or recombination
More information1981 Sheep and Wool Days
105 55,. 7Yummary of Reports.. 1981 Sheep and Wool Days Special Report 613 Agricultural Experiment Station April 1981 Oregon State University, Corvallis CONTENTS INCREASED PRODUCTIVITY THROUGH GENETICS
More informationRELATIONSHIP BETWEEN GROWTH OF SUFFOLK RAMS ON CENTRAL PERFORMANCE TEST AND GROWTH OF THEIR PROGENY
RELATIONSHIP BETWEEN GROWTH OF SUFFOLK RAMS ON CENTRAL PERFORMANCE TEST AND GROWTH OF THEIR PROGENY D. F. WALDRON, D. L. THOMAS, J. M. STOOKEY and R. L. FERNANDO, USA University of Illin o is, Department
More informationAN ABSTRACT OF THE THESIS OF. Breed and Heterosis Effects on Wool and Lamb Production of
AN ABSTRACT OF THE THESIS OF Catherine Agnes Gallivan for the degree of Master of Science in Animal Science presented on June 20, 1985 Title: Breed and Heterosis Effects on Wool and Lamb Production of
More informationMerino Rambouillet. Fine-Wool Breeds
Merino Rambouillet Fine-Wool Breeds White Face with Wool on their LEGS and FACE They are smaller then the Columbia s They are developed from Spain and are a medium-sized breed. Their wool is noted for
More informationPost-weaning Growth and Carcass Traits of St. Croix White and Dorper X St. Croix White Lambs Fed a Concentrate Diet in the U.S.
Volume 20, 2005 Post-weaning Growth and Carcass Traits of St. Croix White and Dorper X St. Croix White Lambs Fed a Concentrate Diet in the U.S. Virgin Islands R.W. Godfrey 1 and A.J. Weis Agricultural
More informationEffects of ewe age and season of lambing on proli cacy in US Targhee, Suffolk, and Polypay sheep
Small Ruminant Research 38 (2000) 1±7 Effects of ewe age and season of lambing on proli cacy in US Targhee, Suffolk, and Polypay sheep D.R. Notter * Department of Animal and Poultry Sciences, Virginia
More informationGrand County 4-H Supreme Exhibitor 2011 SHEEP STUDY GUIDE
Gr County 4-H Supreme Exhibitor 2011 SHEEP STUDY GUIDE RUMINANT ANIMALS: A is a ruminant animal. They have four compartments to their stomach (rumen, reticulum, omasum, abomasum). Ruminant animals ruminate.
More informationDiallel Cross of Three Inbred Lines Of Suffolk Sheep
Estimation of Combining Abilities From a Diallel Cross of Three Inbred Lines Of Suffolk Sheep JAN 1969 LIBRARY OREGON STATE G UNIVERSITY i Agricultural Experiment Station Oregon State University Corvallis
More informationGROWTH OF LAMBS IN A SEMI-ARID REGION AS INFLUENCED BY DISTANCE WALKED TO WATER
GROWTH OF LAMBS IN A SEMI-ARID REGION AS INFLUENCED BY DISTANCE WALKED TO WATER V. R. SQUIRES* Summary A feature of pastoral zone grazing systems is the long distances which separate the grazing area from
More informationKeeping and Using Flock Performance Records Debra K. Aaron, Animal and Food Sciences
ASC-221 Keeping and Using Flock Performance Records Debra K. Aaron, Animal and Food Sciences University of Kentucky College of Agriculture, Food and Environment Cooperative Extension Service Performance
More informationdifficulty encountered; usually 30 minutes or more required to deliver calf. 5. Caesarean birth - 6. Posterior presentation -
The Charolais breed included three domestic and seven French bulls, The eight Simmental bulls included five available commercially in 1969, and three bulls that the Canada Department of Agriculture had
More informationof Columbia and Targhee Ewes
The Effects of Age at First Lambing on Production and Longevity of Columbia and Targhee Ewes J1JN?7 cu Lt/3f-,, ON S1_ (P I 1 i Technical Bulletin 138 AGRICULTURAL EXPERIMENT STATION Oregon State University
More informationNSIP EBV Notebook June 20, 2011 Number 2 David Notter Department of Animal and Poultry Sciences Virginia Tech
NSIP EBV Notebook June 20, 2011 Number 2 David Notter Department of Animal and Poultry Sciences Virginia Tech New Traits for NSIP Polypay Genetic Evaluations Introduction NSIP recently completed reassessment
More informationLifetime Production Performance by Suffolk x Rambouillet Ewes in Northwestern Kansas
November 1986 Lifetime Production Performance by Suffolk x Rambouillet Ewes in Northwestern Kansas Frank J. Schwulst Colby Branch Experiment Station In late August, 1979, 50 Suffolk x Rambouillet ewe lambs,
More informationREPRODUCTIVE PERFORMANCE FOR FOUR BREEDS OF SWINE: CROSSBRED FEMALES AND PUREBRED AND CROSSBRED BOARS
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Faculty Papers and Publications in Animal Science Animal Science Department April 1984 REPRODUCTIVE PERFORMANCE FOR FOUR
More informationLower body weight Lower fertility Lower fleece weight (superfine) (fine)
Generally, finer wool merino sheep are best suited to cooler areas Major Sheep Breeds In Australia Merino (75%) Border Leicester Merino x Border Leicester (12%) Suffolk Cheviot Poll Dorset Romney Merino
More informationEvaluation of terminal sire breeds in hair sheep production systems
217 Virginia Shepherd's Symposium Evaluation of terminal sire breeds in hair sheep production systems A.R. Weaver, D.L. Wright, M.A. McCann, D.R. Notter, A.M. Zajac, S.A. Bowdridge, S.P. Greiner Goal:
More informationTHE EFFECT OF IBR/PI3 AND PASTEURELLA VACCINATION ON THE MORTALITY RATE OF HIGH PERCENTAGE EAST FRIESIAN LAMBS
THE EFFECT OF IBR/PI3 AND PASTEURELLA VACCINATION ON THE MORTALITY RATE OF HIGH PERCENTAGE EAST FRIESIAN LAMBS David L. Thomas 1, Yves M. Berger 2, Brett M. McKusick 1, and Ralph H. Stauffacher 3 1 Department
More informationLate pregnancy nutrition the key to flock profitability
Late pregnancy nutrition the key to flock profitability Dr. Tim Keady Animal and Grassland Research and Innovation Centre, Teagasc, Athenry, Co Galway. Introduction The plane of nutrition during late pregnancy
More informationBreeding Performance of Purebred vs. Crossbred Hampshire and Suffolk Ramsl. David L. Thomas, Debi J. Stritzke and John E. Fields.
Sheep Breeding Performance of Purebred vs. Crossbred Hampshire and Suffolk Ramsl Joe V. Whiteman, David L. Thomas, Debi J. Stritzke and John E. Fields Story in Brief A two year study comparing the breeding
More information4-H Swine Bowl Learning Information
4-H Swine Bowl Learning Information 1. In selling commercial market hogs today, what is the most important carcass trait that has an influence on the price? A. Percent lean. 2. What 3 things are needed
More informationRedacted for privacy
AN ABSTRACT OF THE THESIS OF Nabeel B. Saoud for the degree of Doctor of Philosophy in Animal Science presented on March 31, 1983. Title: Abstract Approved: SHEEP SELECTION IN RETROSPECT Redacted for privacy
More informationHeterosis retained in different generations of inter se mating between D man and Sardi sheep
J. Anim. Breed. Genet. 116 (1999), 151 159 Ms. received: 5.6.1997 1999 Blackwell Wissenschafts-Verlag, Berlin ISSN 0931 2668 Department of Animal Production, Institut Agronomique et Vétérinaire Hassan
More informationASC-126 DEVELOPING A SHEEP ENTERPRISE ISSUED: 5-90 REVISED: G.L.M. Chappelll
ASC-126 DEVELOPING A SHEEP ENTERPRISE ISSUED: 5-90 REVISED: G.L.M. Chappelll Kentucky has the resources necessary for successful sheep production. We have a vast forage production potential, under utilized-labor
More informationEvaluation of Egyptian sheep production systems: I. Breed crosses and management systems
Evaluation of Egyptian sheep production systems: I. Breed crosses and management systems H. Almahdy*, M. W. Tess,1, E. El-Tawil, E. Shehata*, and H. Mansour *Sheep and Goat Research Department, Animal
More informationSand & Sage Round-Up SHEEP STUDY GUIDE Junior and Intermediate Division (8-13 years old as of December 31)
Sand & Sage Round-Up SHEEP STUDY GUIDE Junior and Intermediate Division (8-13 years old as of December 31) You should be able to identify the following breeds of sheep by color and markings of the face,
More informationAn assessment of the benefits of utilising Inverdale-carrying texel-type rams to produce crossbred sheep within a Welsh context
An assessment of the benefits of utilising Inverdale-carrying texel-type rams to produce crossbred sheep within a Welsh context Introduction Less than 60% of all lambs sold in the UK meet mainstream buyer
More informationpasture groups. Jerome John Dahmen for the Ph. D. in Genetics Abstract approved selected as high and low on the basis of post -weaning performance
AN ABSTRACT OF THE THESIS OF Jerome John Dahmen for the Ph. D. in Genetics (Name) (Degree) (Major) Date thesis is presented October 28, 1965 Title SOME GENETIC AND ENVIRONMENTAL FACTORS AFFECTING WEANING
More informationCrossbred ewe performance in the Welsh hills
Crossbred ewe performance in the hills Report on lamb performance to data (23 26) Prepared for: Lynfa Davies Hybu Cig Cymru Author: Dr Barbara McLean Livestock Research Scientist, ADAS Pwllpeiran Introduction
More informationEvaluation of Columbia, USMARC- Composite, Suffolk, and Texel Rams as Terminal Sires in an Extensive Rangeland Production System
Evaluation of Columbia, USMARC- Composite, Suffolk, and Texel Rams as Terminal Sires in an Extensive Rangeland Production System Gregory S. Lewis USDA, ARS, U.S. Sheep Experiment Station Dubois, ID David
More informationAn Introduction to Sheep Debra K. Aaron and Donald G. Ely, Animal and Food Sciences
ASC-219 An Introduction to Sheep Debra K. Aaron and Donald G. Ely, Animal and Food Sciences The information in this fact sheet was developed to provide a quick reference to the most frequently asked questions
More informationKANSAS SHEEP RESEARCH
KANSAS SHEEP RESEARCH 1995 Report of Progress 728 Agricultural Experiment Station Kansas State University, Manhattan Marc A. Johnson Director TABLE OF CONTENTS Performance of Lambs Sired by Rambouillet,
More informationInnovating sheep genetics
27 July 2018 Rabobank Industry Innovator Presentation Innovating sheep genetics Derek Daniell Masterton Strong base Family of innovators Grandfather, 1913 51 survived WW1, slump, WW2, pushed aerial topdressing
More informationNorth Central Regional Extension Publication 235. Feeding Ewes
North Central Regional Extension Publication 235 Feeding Ewes North Central Regional Extension Publications are prepared as a part of the Cooperative Extension activities of the 13 land-grant universities
More informationKey Information. Mountain Hill Vs Lowland Production. Breeding Strategy
Key Information Short day breeder (come into heat in autumn as the day length decreases) Length of oestrus = 17 day cycle Duration of oestrus = 36 hours Length of gestation = 147 days or 5 months Can birth
More informationUnit E Segments of the Animal Industry. Lesson 2 Exploring the Sheep and Goat Industry
Unit E Segments of the Animal Industry Lesson 2 Exploring the Sheep and Goat Industry 1 Terms Buck Cashmere Chammy Confinement Doe Ewe Kid Kidding Lamb Lambing Mohair Mutton Ram Wether Wool Yearling 2
More informationList important areas to think about when selecting sheep; Describe what to look for in structural correctness; Explain why we need a structurally
List important areas to think about when selecting sheep; Describe what to look for in structural correctness; Explain why we need a structurally correct mouth; Explain what type of performance data we
More informationSheep Breeding in Norway
Sheep Breeding in Norway Sheep Breeders Round Table 2015 Thor Blichfeldt Ron Lewis Director of Breeding Professor, University of Nebraska-Lincoln The Norwegian Association of Sheep and Goat Breeders (NSG)
More informationWhy choose sheep? American Merino
Sheep Production Why choose sheep? Sheep can survive where cows can t Sheep will eat problem weeds like Leafy Spurge Profit per acre is the same for sheep and cows, and usually higher for sheep Easier
More informationHettinger Research Extension Center, North Dakota State University, Hettinger, ND
Effects of maternal metabolizable protein supplementation during the last 50 days of gestation on ewe and offspring performance and carcass characteristics 1 M.L. Van Emon *, S.E. Eckerman *, L.A. Lekatz
More informationEFFECTS OF EWE BREED AND MANAGEMENT SYSTEM ON EFFICIENCY OF LAMB PRODUCTION: I. EWE PRODUCTIVITY'
EFFECTS OF EWE BREED AND MANAGEMENT SYSTEM ON EFFICIENCY OF LAMB PRODUCTION: I. EWE PRODUCTIVITY' D. R. Notter and F. S. McClaugherty Virginia Polytechnic Institute and State University2, Blacksburg 24061
More informationWHEN YOU THINK of sheep, you probably think of
Breeds of Sheep and Goats WHEN YOU THINK of sheep, you probably think of white, round, wooly little animals that produce fiber for clothing. You might even think of meat for a meal or special occasion.
More informationSelection of Sheep. Table Ewe (Maternal) Breeds. Characteristics. White face, ears, and legs Acceptable carcass qualities
Selection of Sheep This lesson addresses the selection process when managing a sheep operation. Within Missouri and throughout the Midwest, producers can choose many different breeds of sheep. Each breed
More informationComparison of Weigh-Suckle-Weigh and Machine Measuring Ewe Milk Production 1,2
Comparison of Weigh-Suckle-Weigh and Machine Measuring Ewe Milk Production 1,2 Milking for M. E. Benson 3, M. J. Henry 4, and R. A. Cardellino 5 Department of Animal Science, Michigan State University,
More informationCrossbred lamb production in the hills
Crossbred lamb production in the hills ADAS Pwllpeiran Cwmystwyth Aberystwyth Ceredigion SY23 4AB Institute of Rural Sciences University of Wales, Aberystwyth Llanbadarn Campus Aberystwyth Ceredigion SY23
More informationRichard Ehrhardt, Ph.D. Sheep and Goat Extension Specialist Michigan State University
Optimizing Reproductive Efficiency in Sheep Production with Strategic Nutritional Management Presenter: Richard Ehrhardt, Ph.D. Sheep and Goat Extension Specialist Michigan State University June 23, 2015
More informationEFFECT OF BREED TYPE AND QUALITY GRADE ON PERFORMANCE, CARCASS, AND TENDERNESS TRAITS FOR OK FEEDOUT STEERS
EFFECT OF BREED TYPE AND QUALITY GRADE ON PERFORMANCE, CARCASS, AND TENDERNESS TRAITS FOR OK FEEDOUT STEERS B. A. Gardner 1, H. G. Dolezal 2, C. W. Shearhart 3, F. K. Ray 4, G. A. Highfill 5 and S. L.
More informationEAAP 2010 Annual Meeting Session 43, Paper #2 Breeding and Recording Strategies in Small Ruminants in the U.S.A.
EAAP 2010 Annual Meeting Session 43, Paper #2 Breeding and Recording Strategies in Small Ruminants in the U.S.A. David Notter Dept. of Animal & Poultry Sciences Virginia Tech drnotter@vt.edu The U.S. National
More informationEVALUATION OF PUREBREDS AND TWO- BREED CROSSES IN SWINE: REPRODUCTIVE PERFORMANCE
University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Faculty Papers and Publications in Animal Science Animal Science Department June 1973 EVALUATION OF PUREBREDS AND TWO- BREED
More informationDr. Dave Notter Department of Animal and Poultry Sciences Virginia Tech Host/Moderator: Jay Parsons
Using EBVs to Achieve Your Breeding Presenter: Goals Dr. Dave Notter Department of Animal and Poultry Sciences Virginia Tech Host/Moderator: Jay Parsons August 25, 2015 This webinar is made possible with
More informationSHEEP. Finishing hill lambs Latest Teagasc research on finishing hill lambs on autumn pastures and on an all-concentrate diet.
Finishing hill lambs Latest Teagasc research on finishing hill lambs on autumn pastures and on an all-concentrate diet. Writen by Michael G. Diskin, 1 Noel Claffey, 1 Frank Hynes, 1 Michael Gottstein,
More informationEFFECTS OF POSTNATAL LITTER SIZE ON REPRODUCTION OF FEMALE MICE 1
EFFECTS OF POSTNATAL LITTER SIE ON REPRODUCTION OF FEMALE MICE 1 R. E. Nelson 2 and O. W. Robison North Carolina State University, Raleigh 2767 SUMMARY A group of 8 dams weaned 588 female mice to be mated
More informationCourse: Principles of AFNR. Unit Title: Sheep Selection TEKS: (C)(12)(D) Instructor: Ms. Hutchinson. Objectives:
Course: Principles of AFNR Unit Title: Sheep Selection TEKS: 130.2 (C)(12)(D) Instructor: Ms. Hutchinson Objectives: After completing this unit of instruction, students will be able to: A. List important
More informationECONOMICS OF WINTER MILKING FOR MEDIUM TO LARGE DAIRY SHEEP OPERATIONS. Yves M. Berger
ECONOMICS OF WINTER MILKING FOR MEDIUM TO LARGE DAIRY SHEEP OPERATIONS Yves M. Berger Spooner Agricultural Research Station University of Wisconsin-Madison Madison, Wisconsin Words of caution Although
More informationPhenotypic Characterization of Rambouillet Sheep Expressing the Callipyge Gene: I. Inheritance of the Condition and Production Characteristics 1
Phenotypic Characterization of Rambouillet Sheep Expressing the Callipyge Gene: I. Inheritance of the Condition and Production Characteristics 1 S. P. Jackson 2, R. D. Green 3, and M. F. Miller Department
More informationJosefina de Combellas, N Martinez and E Gonzalez. Instituto de Producción Animal, Facultad de Agronomia, Universidad Central de Venezuela, Maracay
Trop Anim Prod 1980 5:3 261 A STUDY OF FACTORS WHICH INFLUENCE BIRTH AND WEANING WEIGHT IN LAMBS Josefina de Combellas, N Martinez and E Gonzalez Instituto de Producción Animal, Facultad de Agronomia,
More informationSHEEP. nd if appropriate/applicable)
SHEEP GENERAL: UREA WARNING (only where an nd if appropriate/applicable) Vinegar is an effective remedy against NPN poisoning. Mix with an equal amount of water. Dose half a bottle per calf or large sheep
More informationRedacted for privacy
AN ABSTRACT OF THE THESIS OF GLAFIRO TORRES-HERNANDEZ for the degree of DOCTOR OF PHILOSOPHY in ANIMAL SCIENCE (Breeding & Genetics) presented on 8/23/79 TITLE: MILK PRODUCTION AND PROGENY GROWTH IN CROSSBRED
More information2014 Iowa State FFA Livestock Judging Contest 8/23/2014 LIVESTOCK EVALUATION TEST
2014 Iowa State FFA Livestock Judging Contest 8/23/2014 LIVESTOCK EVALUATION TEST 1. Which of the following correctly defines the acronym EPD? a. Expected Prodigy Differences b. Expected Progeny Differences
More informationAUTUMN AND SPRING-LAMBING OF MERINO EWES IN SOUTH-WESTERN VICTORIA
AUTUMN AND SPRING-LAMBING OF MERINO EWES IN SOUTH-WESTERN VICTORIA J. W. MCLAUGHLIN* Summary In each of four years, ewes lambing in the spring (September-October) had a higher proportion of multiple births
More informationFEEDING EWES BETTER FOR INCREASED PRODUCTION AND PROFIT. Dr. Dan Morrical Department of Animal Science Iowa State University, Ames, Iowa
FEEDING EWES BETTER FOR INCREASED PRODUCTION AND PROFIT Dr. Dan Morrical Department of Animal Science Iowa State University, Ames, Iowa Introduction Sheep nutrition and feeding is extremely critical to
More informationLUNG LESIONS IN LAMBS. South Dakota State University, Brookings, SD Columbus, OH 43210
LUNG LESIONS IN LAMBS J. A. Daniel 1, J. Held 1, C. S. Schauer 2, W. Epperson 3* 1 Department of Animal & Range Sciences, South Dakota State University, Brookings, SD 57007 2 Hettinger Research Extension
More informationSheep Selection. Why judge livestock? Introduction. Keith A. Bryan, instructor in dairy and animal science.
Lessonspage Sheep Home Study Course - Sheep Selection Sheep Selection you are here Keith A. Bryan, instructor in dairy and animal science. Why judge livestock? Stockpersons judge livestock to differentiate
More information2018 Sheep Entry Form
2018 Sheep Entry Form Department 4 ~ Sheep Department 10 ~ 4-H Sheep, Section A-4 Mail to: Geoffrey Saver 2684 St. Rt 168 Hookstown, PA 15050 Attn: Sheep Exhibit POSTMARK DATE (office only) RECEIVED DATE
More informationFeeding Ewes Better for Increased Production and Profit
Animal Science White Papers Animal Science 7-1-2003 Feeding Ewes Better for Increased Production and Profit Daniel G. Morrical Iowa State University, morrical@iastate.edu Follow this and additional works
More informationExperiences with NSIP in the Virginia Tech Flocks Scott P. Greiner, Ph.D. Extension Animal Scientist, Virginia Tech
Experiences with NSIP in the Virginia Tech Flocks Scott P. Greiner, Ph.D. Extension Animal Scientist, Virginia Tech The registered Suffolk and Dorset flocks at Virginia Tech are utilized heavily in the
More information4-H PORK PRODUCTION MANUAL
4-H PORK PRODUCTION MANUAL This publication, the record sheet and other sheets all are intended to help the 4-H member succeed in the 4-H Swine Project. The best way to learn is by doing -- especially
More informationThe effect of weaning weight on subsequent lamb growth rates
Proceedings of the New Zealand Grassland Association 62: 75 79 (2000) 75 The effect of weaning weight on subsequent lamb growth rates T.J. FRASER and D.J. SAVILLE AgResearch, PO Box 60, Lincoln, Canterbury
More informationSHLEEP RESEARCH. --- ~I ~~~_ rrrrr~s~ 1954 to /969 ..~ Agricultural Experiment Station AUBURN UNIVERSITY X10,4 ~ BULLETIN 394 OCTOBER 1969
BULLETIN 394 OCTOBER 1969 X10,4 ~ Agricultural Experiment Station AUBURN UNIVERSITY E. V. Smith, Director Auburn, Alabama SHLEEP RESEARCH 1954 to /969 --- ~I ~~~_ rrrrr~s~ 7;..~ CONTENTS Page IN T R O
More informationStrategies for Increasing the Number of Lambs Marketed per Ewe
South Dakota State University Open PRAIRIE: Open Public Research Access Institutional Repository and Information Exchange South Dakota Sheep Field Day Proceedings and Research Reports, 1983 Animal Science
More informationTailoring a terminal sire breeding program for the west
Tailoring a terminal sire breeding program for the west Ron Lewis, Department of Animal Science, University of Nebraska-Lincoln Utah Wool Growers Association Leading Edge Sheep Production Part II Little
More informationGenesee County 4-H Sheep Five Star Program
Purpose: Genesee County 4-H Sheep Five Star Program Purpose Provide a defined educational curriculum for leaders to follow. Provide a system of progressive recognition for enrolled 4-H members. Provide
More informationEDUCATION AND PRODUCTION. Layer Performance of Four Strains of Leghorn Pullets Subjected to Various Rearing Programs
EDUCATION AND PRODUCTION Layer Performance of Four Strains of Leghorn Pullets Subjected to Various Rearing Programs S. LEESON, L. CASTON, and J. D. SUMMERS Department of Animal and Poultry Science, University
More informationThe importance of nutrition during gestation for lamb vigour and survival. John Rooke, Gareth Arnott, Cathy Dwyer and Kenny Rutherford
The importance of nutrition during gestation for lamb vigour and survival John Rooke, Gareth Arnott, Cathy Dwyer and Kenny Rutherford The importance of nutrition during gestation for lamb vigour and survival
More informationFeeding Sheep. Steven H. Umberger*
Virginia Cooperative Extension REPRINTED 2001 Sheep PUBLICATION 410-853 Nutrition plays a major role in the overall productivity, health, and well-being of the sheep flock. Because feed costs account for
More informationThe South African National Small Stock Improvement Scheme
The South African National Small Stock Improvement Scheme J.J. Olivier () ARC Animal Improvement Institute, Private Bag X9, Middelburg, South Africa Introduction The economic viability of any business
More informationBreeding and feeding for more lambs. Andrew Thompson & Mark Ferguson
Breeding and feeding for more lambs Andrew Thompson & Mark Ferguson What ewe type do you/your clients predominantly run? A) Fine and super fine Merino B) Medium Merino C) Meat Merino (Including Dohnes
More informationINFLUENCE OF FEED QUALITY ON THE EXPRESSION OF POST WEANING GROWTH ASBV s IN WHITE SUFFOLK LAMBS
INFLUENCE OF FEED QUALITY ON THE EXPRESSION OF POST WEANING GROWTH ASBV s IN WHITE SUFFOLK LAMBS Introduction Murray Long ClearView Consultancy www.clearviewconsulting.com.au Findings from an on farm trial
More informationAdjustment Factors in NSIP 1
Adjustment Factors in NSIP 1 David Notter and Daniel Brown Summary Multiplicative adjustment factors for effects of type of birth and rearing on weaning and postweaning lamb weights were systematically
More informationSHEEP SIRE REFERENCING SCHEMES - NEW OPPORTUNITIES FOR PEDIGREE BREEDERS AND LAMB PRODUCERS a. G. Simm and N.R. Wray
SHEEP SIRE REFERENCING SCHEMES - NEW OPPORTUNITIES FOR PEDIGREE BREEDERS AND LAMB PRODUCERS a G. Simm and N.R. Wray The Scottish Agricultural College Edinburgh, Scotland Summary Sire referencing schemes
More informationRam Buyers Guide.
Ram Buyers Guide www.hccmpw.org.uk Hybu Cig Cymru / Meat Promotion Wales Tŷ Rheidol, Parc Merlin, Glanyrafon Industrial Estate Llanbadarn Fawr, SY23 3FF Tel: 01970 625050 Fax: 01970 615148 Email: info@hccmpw.org.uk
More informationExperiences from lambing throughout the year in Finland Internorden 2010 Denmark
Experiences from lambing throughout the year in Finland Internorden 2010 Denmark Milla Alanco Domestic Animal Consultant, sheep ProAgria Southern Ostrobothnia Central Finland Central Ostrobothnia Swedish
More informationNew sheep breeds. Canada. in Canada. 1+1 Agriculture C212 P1850. (1991 print; c.2. Canada. Publication 1850/E \>C' ' ft-'*».
1+1 Agriculture Canada Publication 1850/E A New sheep breeds in Canada 630.4 C212 P1850 1990 ' ft-'*». r - C ** " - > " < \>C' ' cr*- (1991 print; c.2 Canada Digitized by the Internet Archive in 2011 with
More informationWe got our start in Dorsets when we bought out Dr. Fred Groverman's flock in We now have about 75 Dorset ewes bred to Dorset rams.
We got our start in Dorsets when we bought out Dr. Fred Groverman's flock in 2010. We now have about 75 Dorset ewes bred to Dorset rams. In addition to the Dorsets, we have approximately 600 head of commercial
More information7. Flock book and computer registration and selection
Flock book/computer registration 7. Flock book and computer registration and selection Until a computer service evolved to embrace all milk-recorded ewes in Israel and replaced registration in the flock
More informationEwes for the future fertility, lambs & wool
Ewes for the future fertility, lambs & wool Report from trial start Jan to Jan 7 The team from the Campaspe Lamb Producers Group and sponsors after lamb marking Key cooperating sponsors Product support
More informationFeeding and Managing the Ewe Flock
January, 2004 Feeding and Managing the Ewe Flock Brian Tarr Ruminant Nutritionist 1 FEEDING AND MANAGING THE EWE FLOCK Brian Tarr, Ruminant Nutritionist Shur-Gain, Member of Maple Leaf Foods Inc. Introduction
More informationCotter Suffolks and White Suffolks, with Wongarra Poll Dorsets
Cotter Suffolks and White Suffolks, with Wongarra Poll Dorsets Cotter Suffolks and White Suffolks is a family run business, located in the Western Districts of Victoria. The Stud was established in 2004
More information