Effect of Dried Whole Eggs Processed by Various Ways on Pullet's Performance and Egg Production and Quality Traits

Transcription

1 Interntinl Jurnl f Pultry Science 8 (11): , 2009 ISSN Asin Netwrk fr Scientific Infrmtin, 2009 Effect f Dried Whle Eggs Prcessed y Vrius Wys n Pullet's Perfrmnce nd Egg Prductin nd Qulity Trits A.A. El-Deek nd M.A. Al-Hrthi Meterlgy, Envirnment nd Arid Lnd Agriculture Cllege, King Adulri University, P.O. Bx 80208, Jeddh 21589, Sudi Ari Astrct: The effect f feeding different dietry levels f Dried Whle Eggs (DWE) prcessed y vrius wys during wk f ge n the perfrmnce f pullets up t 25 wk f ge ws investigted. Eggs tht re nt pprved fr humn cnsumptin were cllected nd then were dried t 55 C. DWE were prcessed y freezing t -18 C, freezing with iling nd utclving t 121 C. It ws included in the pullet diets t 2.5 nd 5%. There ws ls, cntrl diet tht ws fed withut DWE. Thus, the experimentl design ws fctril (2 x 3) with dded cntrl grup (0% DWE). Ech diet ws fed t three replictes f 8 pullets ech. Pullet's perfrmnce, egg prductin nd qulity trits nd slute nd reltive weight f reprductive rgns ws studied. Grwth f pullets up t 25 wk f ge ws nt significntly ffected y vrius prcessing techniques, hwever, ge t 50% prductin significntly decresed due t utclving cmpred with freezing with iling technique. Level f 5% DWE incresed grwth f pullets up t 20 wk f ge nd this effect diminished t 25 wk f ge. Lying rte, egg weight, egg mss nd Feed Cnversin Rti (FCR) were significntly imprved due t feeding DWE prcessed y freezing with iling cmpred t the ther methds nd this ws vius within ech DWE level. Age t 50% prductin significntly decresed nd egg prductin trits significntly imprved due t inclusin f 5% DWE. Egg qulity trits f fresh eggs were nt significntly ffected y DWE level nd/r technique f prcessing. Hwever, freezing technique mintined etter Hugh unit scre nd freezing with iling mintined etter ylk index fter stred fr ne mnth in the refrigertin. On the ther hnd, 2.5% DWE mintined shell thickness nd Hugh unit scre f eggs stred fr ne mnth in the refrigertin. Aslute nd reltive weight f rgns were significntly ffected y prcessing methds nd/r DWE levels nd 5% DWE significntly incresed slute nd reltive weight f ld, intestinl length nd leg clr while significntly decresed slute nd reltive weight f liver nd slute weight f intestinl. In cnclusin, up t 5% frzen with iled DWE cn e included in the pullet's diets during wk f ge withut dverse effect n pullet's perfrmnce nd egg prductin nd qulity trits up t 25 wk f ge. Key wrds: Dried whle eggs, prcessing methd, pullets perfrmnce, egg prductin, egg qulity INTRODUCTION Eurpen cuntries hve nned the rutine usge f ntiitics in chicken feeds (Pingel, 2003). Hwever, nning f ntiitics wuld leve niml nd pultry prducers with drmtic increse in feed csts nd disese nd pthgens ccurrence (Ck, 2004). Eggs re rich surce f ntidies nd high qulity nutrients. Avin eggs re vehicle fr reprductin nd stple fd within the humn diet nd hve nturl lnce f essentil nutrients (Antn et l., 2006). Egg yprducts such s utcmes frm reking fcilities nd unsellle eggs re knwn t e rich in ft, mternl ntidies, prtein, ictive nutrients nd lyzsyme (Schmdit et l., 1992; Sprks, 2006). Egg cmpnents such s lyszyme, vidin, phsvitin nd ther ichemicl sustnces (Sprks, 2006), scilic cid nd scilligscchrides (Stdelmn, 1999; Junej, 1998) re eneficil fr humn well-eing. Scilligscchrides re significnt cnstituent f mther s milk nd is likely the first line f defense ginst pthgens, viruses nd txins. A preprtin f egg ylk scilligscchrides ws reprted t inhiit rtvirus th in vitr nd in viv. Rtvirus is mjr pthgen f infectius gstrenteritis f infnts (Nki, 1998). The egg ylk is reservir f ntidies with mny prven uses s well s mny thereticl pplictins (Li-Chn, 1998; Antn et l., 2006; Sprks, 2006). Hen's egg ylk IgY hs een extensively pplied t mny dignstic, prphylctic nd therpeutic uses (Mime nd Yshimsu, 1998; Antn et l., 2006; Sprks, 2006). The pplictin f IgY medictin t humns my e y injectin f purified IgY r y encpsultin f n egg ylk cncentrte s the IgY is nt destryed y the cidity in the stmch. Hwever, results tined with nimls fed either liquid r dried egg ylk, rl dministrtin my e pssile. Dried egg pwder cn e fed t lrge flcks nd eggs ntidies imprve FCR nd grwth rtes. Hwever, it shuld nt led t drug resistnt cteri (Ck, 2004). 1086

2 Int. J. Pult. Sci., 8 (11): , 2009 Prcessing methds culd imprve the keeping perfrmnce nd egg qulity trits during the erly prt qulity f egg y-prducts thrugh ffecting the pthgen f lying perid. nd nutrient vilility. In this regrd, utclving, Pullets were hused in envirnmentl cntrl huse. iling in wter, wter sking, steming, rditin nd tretment with cid r lkline imprve the qulity f severl griculture-y prducts (Gnzález-Alvrd et l., 2007; Grcí et l., 2008; El-Deek nd Al-Hrthi, 2005; Jiménez-Mren et l., 2009). Feed nd wter were ffered d litium. Pullets were kept n 12 h light:12 h drk cycle during wks nd frm 19 wk f ge, light schedule ws grdully incresed t rech mximum f 15 h light: 9 h drk cycle nd kept cnstnt therefter. This wrk ims t investigte the effect f different dietry levels f DWE prcessed y vrius methds during wk f ge n pullet's perfrmnce, egg prductin nd qulity trits nd reprductive rgns f pullets up t 25 wk f ge. Criteri f respnse: Pullets were weighed t 14, 16, 20 nd 25 weeks f ge, ge t 50% egg prductin, livility nd egg prductin trits during weeks f ge were mesured ccrding t Atti et l. (2009). The methds f the sme uthrs were used fr MATERIALS AND METHODS Birds, experimentl design nd husing: A tril ws implemented t King Adulziz University, Fculty f Meterlgy Envirnmentl nd Arid lnd Agriculture utilizing 168 Lhmn pullets t the ge f 14 wks in rder t investigte the effect f inclusin 2.5 nd 5% DWE in lying hens diets. DWE were prcessed y different methds: freezing t -18 C, freezing with iling nd utclving t 121 C. The experimentl design ws fctril rrngement f 2 x 3 settings plus cntrl (0% DWE), resulting in seven experimentl tretments. Ech tretment ws replicted 3 times, f 8 pullets ech. Diets (Tle 1) were frmulted sed n NRC (1994) t cver nutrient requirements fr Leghrn pullets. The experimentl perid lsted frm weeks f ge nd then hens were fed cmmercil lying hen diet (18% CP, 2900 kcl ME/kg diet, 3.2% C nd 0.35% npp) until 25 wk f ge t determine susequent lying determintin f egg qulity trits f fresh eggs nd eggs stred in refrigertin t -5 C fr ne mnth. Eggs qulity mesurements were perfrmed n 15 eggs /tretment/time tken t the eginning, middle nd t the end f lying perid. Five pullets per tretment were slughtered t 25 wk f ge t determine slute nd reltive weight f ld, intestinl, viduct, vry nd liver. Als, reltive length f intestinl nd egg clr ws determined, the ltter ws dne using ylk clr fn (Hffmn L Rche ylk clr fn; Vuilleumier, 1969). Sttisticl nlysis: Dt were nlyzed using the GLM prcedure f SAS (SAS, 1996) using tw wy fctril nlyses (3 x 2 + cntrl grup) with the min effects eing prcessing methd nd/r DWE level. Duncn's New Multiple Rnge Test (Duncn, 1955) ws utilized t test men differences t p<0.05. Tle 1: Cmpsitin f the experimentl diets cntining different levels f dried whle eggs (DWE) prcessed y different methds 2.5% DWE 5.0% DWE Ingredients Cntrl Freeze Freeze nd iled Autclved Freeze Freeze nd iled Autclved Yellw crn Syen mel, 44% Di-Cl phsphte Limestne Dl-Methinine Slt Lysine Premix Anti-xidnt Anti-fltxine DWE Filler Ttl Clculted nlysis CP % ME, k.cl/kg C % Avil. P % Lysine % Methinine % DWE: Dried whle prcessed eggs, 1 Vit+Min mixture prvides per kilgrm f diet: vitmin A, 6000 IU; vitmin E, 10 IU; mendine, 2.5 mg; Vit. D, 2000 ICU; riflvin, 2.5 mg; C 3 pntthente, 10 mg; nictinic cid, 12 mg; chline chlride, 300 mg; vitmin B 12, 4 µg; vitmin B 6, 5 mg; thimine, 3 mg; flic cid, 0.50 mg; itin, 0.2 mg. Trce minerl (milligrms per kilgrm f diet): Zn, 40; Fe, 40; Cu, 4; Se, Clculted vlues (NRC, 1994) 1087

3 Int. J. Pult. Sci., 8 (11): , 2009 Tle 2: Bdy weight, ge t 50% egg prductin f pullets fed different levels f DWE prcessed y vrius methds BW BW BW Age t 50% BW Tretment 14 wks (g) 16 wks (g) 20 wks (g) egg prductin 25 wks (g) Prcessing methd Freeze 1089± ± ± ± ±41.2 Freeze nd iled 1090± ± ± ± ±63.3 Autclved 1086± ± ± ± ±45.5 Cntrl 1089 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±25.5 Interctin etween DWE level nd prcessing methd DWE Pr. methd 2.5% Freeze 1051± ± ± ± ±51.1 Freeze nd iled 1044± ± ± ± ±98.0 Autclved 1049± ± ± ± ± % Freeze 1127± ± ± ± ±70.0 c Freeze nd iled 1136± ± ± ± ±89.8 c Autclved 1122± ± ± ± ±74.0 Prilities Prcessing (P) NS NS NS ** NS Additives Levels (A) ** ** ** ** NS Interctin NS NS NS ** NS NS = Nn-significnt ** = p<0.01 Tle 3: Lying perfrmnce, dy weight nd viility f pullets fed different dietry levels f DWE prcessed y vrius methds Tretment Lying rte (%) Egg weight (g) Egg mss (g/d) FCR (g/g) Viility (%) Prcessing methd c Freezing 74.0 ± ± ± ± ±3.41 c Freeze nd iled 80.2 ± ± ± ± ±4.06 Autclved 79.5 ± ± ± ± ±2.34 DWE levels (%) Cntrl 75.4 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±1.30 Interctin etween DWE level nd prcessing methd DWE Level Pr. Methd 2.5 Freezing 70.9± ± ± ± ±3.70 Freezing nd iling 74.7± ± ± ± ±3.70 Autclving 75.7± ± ± ± ± Freezing 77.0± ± ± ± ±6.41 Freezing nd iling 85.7± ± ± ± ±3.70 Autclving 83.3± ± ± ± ±3.70 Prilities Prcessing ** ** * * NS DWE Level ** ** ** ** NS Interctin NS ** NS NS NS DWE: Dried whle prcessed eggs RESULTS Results f BW t 14, 16 nd 20 weeks f ge re presented in (Tle 4). Prcessing methd did nt shw ny significnt effect n pullet's grwth up t 25 wk f ge. Hwever, ll prmeters were significntly (p<0.01) ffected y dietry DWE levels. DWE t 5% shwed hevier BW t 14, 16 nd 20 weeks s cmpred t the cntrl nd 2.5% fed grup. N significnt interctin ws chieved t 14, 16, r 20 weeks f ge, nr there were significnt effects n BW t 25 wk f ge. Pullets fed frzen with iled DWE reched ge t 50% prductin erlier thn thse fed utclved DWE. Pullets fed DWE 5% reched ge t 50% egg prductin erlier thn thse fed 0% nd 2.5% DWE levels. A significnt interctin ws tined shwing tht pullets n frzen with iled r utclved DWE t 5% level reched ge t 50% erlier thn their crrespnding grups fed 2.5% DWE. In dditin, pullets fed 5.0% frzen DWE reched ge t 50% lying rte erlier thn their crrespnding grups fed DWE t 2.5%. Results fr lying trits re illustrted in (Tle 3). Prcessing methds did significntly ffect egg prductin trits, grup fed frzen with iled DWE hd significntly higher lying rte, egg weight, egg mss nd etter FCR thn thse n the ther prcessing methds. Pullets fed DWE t 5% hd significntly higher lying rte, egg weight, egg mss nd etter FCR thn thse n 0 nd 2.5% DWE levels. A significnt interctin ws shwn fr nly egg weight in which grup fed 2.5 nd 5% utclved DWE level lid smller eggs thn its crrespnding grup fed 5% DWE nd frzen with iled 1088

4 Int. J. Pult. Sci., 8 (11): , 2009 Tle 4: Fresh nd stred egg qulity f pullets fed different dietry levels f DWE prcessed y vrius methds Fresh Eggs Tretment Ylk clr Shell thick (mm) Hugh unit Ylk index Prcessing methd Freeze 5.0± ± ± ±0.03 Freeze nd iled 4.9± ± ± ±0.04 Autclved 5.1± ± ± ±0.03 Cntrl 5.3± ± ± ± ± ± ± ± ± ± ± ±0.03 Interctin etween DWE level nd prcessing methd DWE Level Pr. Methd 2.5 Freezing 4.6± ± ± ±0.03 Freezing nd iling 5.0± ± ± ±0.04 Autclving 5.0± ± ± ± Freezing 5.3± ± ± ±0.04 Freezing nd iling 4.7± ± ± ±0.04 Autclving 5.1± ± ± ±0.03 Prilities Prcessing NS NS NS NS DWE Level NS NS NS NS Interctin NS NS NS NS Stred Eggs Tretment Ylk clr Shell thick (mm) Hugh unit Ylk index Prcessing methd Freeze 3.40± ± ± ±0.03 Freeze nd iled 3.60± ± ± ±0.04 Autclved 3.40± ± ± ±0.04 c Cntrl 3.65 ± ± ± ± ± ± ± ± ± ± ± ±0.04 Interctin etween DWE level nd prcessing methd DWE Level Pr. Methd 2.5 Freezing 3.20± ± ± ±0.03 c Freezing nd iling 3.40± ± ± ±0.04 c Autclving 3.30± ± ± ±0.03 c 5.0 Freezing 3.60± ± ± ±0.04 d Freezing nd iling 3.80± ± ± ±0.05 d Autclving 3.50± ± ± ±0.05 Prilities Prcessing NS NS ** ** DWE Level ** ** ** ** Interctin NS ** ** ** DWE: Dried whle prcessed eggs tretment t 2.5% DWE. Livility ws nt nly 5% DWE. The cntrl grup mintined ls etter significntly ffected y prcessing methd nd/r level ylk index during the strge perid. f DWE, hwever, livility ws higher f grups fed 5% Significnt interctins were chieved fr shell DWE prcessed y freezing with iling r utclving. thickness, Hugh unit scre nd ylk index f strge Egg qulity mesurements f fresh nd srted eggs re eggs. Results indicted tht utclved DWE t 2.5% presented in Tle 4. Results tined demnstrted significntly incresed shell thickness cmpred t the tht prcessing methds nd/r DWE levels hd n ther experimentl grups. In dditin, frzen 2.5% DWE significnt effects n qulity mesurements f fresh yield higher shell thickness thn their crrespnding eggs including ylk clr scre, shell thickness, Hugh grup fed 5% DWE. unit scre nd ylk index. Hugh unit scre f eggs lid y pullets fed 2.5 nd 5% Dt f the strge eggs indicted tht, freezing technique mintined etter Hugh unit scre, while DWE prcessed y freezing ws significntly higher thn freezing with iling mintined etter ylk index the ther experimentl grup. Als, eggs frm 2.5% cmpred t the ther methds. DWE t 5% significntly DWE fed grups hd higher Hugh unit scre thn incresed ylk clr scre cmpred t 2.5% nly while, thse f grups fed 5% DWE. Pullets fed 2.5% DWE shell thickness ws significntly incresed f 2.5% DWE prcessed y ll methds hd significntly etter ylk cmpred t the ther levels. Hugh unit scre significntly incresed f the cntrl grup cmpred t index thn thse fed 5% DWE prcessed y the sme methd. 1089

5 Int. J. Pult. Sci., 8 (11): , 2009 Tle 5: Aslute nd reltive weight f dy rgns, intestinl length nd leg clr f pullets fed different dietry levels f DWE prcessed y vrius methds Tretment Bld (g) Bld (%) Intestine (g) Intestine (%) Intestine Length (cm) Leg clr Prcessing methd Freeze 70.0 ± ± ± ± ± ±0.21 Freeze nd iled 73.3 ± ± ± ± ± ±0.15 Autclved 86.2 ± ± ± ± ± ±0.15 c c Cntrl 55.3 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±0.10 Interctin etween DWE level nd prcessing methd DWE Level Prcessing d c e c 2.5 Freezing 66.7 ± ± ± ± ± ±0.22 e Freezing nd iling 53.3 ± ± ± ± ± ±0.22 Autclving 90.7 ± ± ± ± ± ±0.21 c c c 5.0 Freezing 73.3 ± ± ± ± ± ±0.36 d d Freezing nd iling 93.3 ± ± ± ± ± ±0.21 c e c d Autclving 81.7 ± ± ± ± ± ±0.21 Prilities Prcessing ** ** * ** NS ** DWE Level * ** ** NS ** ** Interctin ** * ** ** ** NS DWE: Dried whle prcessed eggs Tle 6: Aslute nd reltive weight dy rgns f pullets fed different dietry levels f DWE prcessed y vrius methds Tretment Oviduct Wt (g) Oviduct (%) Ovry Wt (g) Ovry (%) Liver Wt (g) Liver (%) Prcessing methd c c Freeze 56.0± ± ± ± ± ±0.05 Freeze nd iled 55.8± ± ± ± ± ±0.08 Autclved 56.2± ± ± ± ± ±0.08 Cntrl 57.0± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±.04 Interctin etween DWE level nd prcessing methd DWE Level Pr. Methd c c cd 2.5 Freezing 54.3± ± ± ± ± ±0.03 Freezing nd iling 55.0± ± ± ± ± ±0.10 c c Autclving 60.7± ± ± ± ± ± Freezing 57.7± ± ± ± ± ±0.08 c d d Freezing nd iling 56.7± ± ± ± ± ±0.06 c c c c Autclving 51.7± ± ± ± ± ±0.05 Prility Prcessing NS NS ** ** ** ** DWE Level NS NS NS NS ** * Interctin NS ** ** ** ** ** DWE: Dried whle prcessed eggs Aslute nd reltive f rgns re presented in (Tle cntrl. Aslute nd reltive weight f liver significntly 5 nd 6). Results indicted tht utclving significntly decresed due t feeding 5% DWE diet cmpred t the incresed slute nd reltive weight f ld nd leg cntrl grup nd 2.5% DWE except fr percentge liver clr (Tle 5) nd liver percentge (Tle 6). Hwever, f 2.5% DWE level. freezing nd iling significntly incresed slute nd There ws significnt interctin etween DWE level reltive weight f intestinl (Tle 5), reltive weight f nd prcessing methd n mst f rgns prmeters. vry nd slute weight f liver (Tle 6). There ws Results indicted tht 2.5% DWE prcessed y freezing n significnt difference etween freezing with r withut with iling significntly incresed slute nd reltive iling in slute nd reltive weight f ld nd weight f intestinl nd intestinl length, reltive weight reltive weight f vry. f viduct nd vry nd liver percentge, this Results shwed tht DWE t 5% yield significntly shwed tht the effect f DWE level depends n higher slute nd reltive weight f ld cmpred prcessing methd. t the ther levels, intestinl length nd leg clr cmpred t nly 2.5% DWE lthugh intestinl weight ws significntly decresed cmpred t the ther levels. In dditin, grup fed 2.5% DWE hd significntly higher slute nd reltive weight f ld, ut hd significntly lwer intestinl length nd leg clr thn the DISCUSSION The imprvement in pullet's perfrmnce such s grwth nd the decrese in ge t 50% prductin nd the increse in lying perfrmnce nd FCR during erly prt f lying perid f pullets fed 5% DWE indicte tht 1090

6 Int. J. Pult. Sci., 8 (11): , 2009 incresing DWE level incresed nutrients vilility. n mintining the ictive cmpnents f eggs such Eggs re rich surce f different nutrients nd thus cn s ntixidnt gents f eggs fr lnger perid nd/r st helth sttus nd prductive perfrmnce such s cntrl cteril grwth. In this regrd, Schmdit et l. lying rte nd decresed ftty liver (Atti et l., 2009). (1992) nd Schfsm et l. (2000) shwed tht egg y- Lecithin, the mjr phsphlipids f eggs, cn imprve prducts in niml diets significntly reduced the digestin nd ssimiltin f ft (An et l., 1997; survivl rte f the pthgenic cteri f Escherichi Dersjnt nd Peisker, 2005), cntrl ftty liver syndrme cli nd Slmnell typhimurium frm % when (Hnsen nd Wizem, 1993; Aydin nd Ck, 2004), incuted with lyszyme. They suggested this resulted imprve helth cnditin (Dumitru et l., 2002), enhnce in n expected higher grwth rte f frm nimls s synthesis f heptic lipprtein (Nimpf nd Schneider, they re fed n these eggs y-prducts. In this regrd, 1991) nd ct s nturl ntixidnt (Dersjnt nd livility ws nt significntly different mng different Peisker, 2005). experimentl grups (Tle 3), lthugh it ws higher f Eggs re nt nly rich in lecithin, ut ls in mny ther grups fed 5% DWE thn thse fed 2.5% DWE. vlule nutrients nd ictive cmpnents (Burley nd The ictive cmpnents f eggs included Vdehr, 1989; Nimpf nd Schneider, 1991). Such nutrients e.g. high qulity prtein/min cids, ftty cid, vtrnsferrin s irn-frtified prducts nd hd ctericidl prperties ginst cute enteritis in infnts. vitmins nd minerls cn enhnce pullet's In dditin, lyszyme hs s n ntivirl nd ntiinflmmtry, perfrmnce when fed diets mrginlly deficient in ne r mre f the nutrient demnds fr egg frmtin which mst likely t ccurs under field cnditin. Bictive cmpnents culd enhnce helth nd vercme stress cnditin in the lying huse (Schmdit et l., 1992; Atti et l., 2009). In this regrd, dried egg pwder cn e fed t lrge flcks nd eggs ntidies imprve FCR nd grwth rtes (El-Deek nd Al-Hrthi, 2005)nd cn replce ntiitics-feed dditives in niml nutritin (Bedfrd nd Fthergill, 2002; Ck, 2004). Egg vmucin inhiit hemgglutintin y viruses nd hve cyttxic effect n cultured cells, vinhiitr trypsin inhiitr tht inhits cteril nd fungl serine prteinses nd chymtrypsin nd cysttin nd ntimicril, ntivirl nd insecticidl effects. In dditin, ntidies, high qulity prtein, UFA, flic cid, chline, irn, selenium nd vitmins A, B, D, E nd K nd ntixidnt crtenids, lutein nd zexnthin culd st the immune respnse nd thus helth sttus f chickens (Burley nd Vdehr, 1989; Schfsm et l., cmpnents such s lyszyme, vidin, phsvitin, scilic 2000; Sprks, 2006). cid, scilligscchrides nd ther ichemicl Aslute nd reltive weight f rgns were significntly sustnces re eneficil cmpnents (Stdelmn, ffected y prcessing methds nd/r level f DWE nd 5% DWE significntly incresed slute nd reltive 1999; Junej, 1998; Sprks, 2006). A preprtin f egg weight f ld, intestinl length nd leg clr while ylk scilligscchrides ws reprted t inhiit significntly decresed slute nd reltive weight f rtvirus th in vitr nd in viv. Rtvirus is mjr liver nd slute weight f intestinl. The increse in pthgen f infectius gstrenteritis f infnts. leg clr t higher DWE level indicting higher vilility f Furthermre, the egg ylk is reservir f ntidies pigmenttins such s crtenids, lutein nd zexnthin, nd immunglulin, IgY (Li-Chn, 1998; Antn et l., 2006; Sprks, 2006). hwever, the increse ws nt significntly different frm the cntrl. Prcessing methd shwed sme eneficil effects depend n criteri f respnse fr exmple, ge t 50% prductin significntly decresed due t utclving cmpred with freezing with iling technique. Hwever, Lying rte, egg weight, egg mss nd FCR were Cnclusin: In cnclusin, up t 5% frzen with iled DWE cn e included in the pullet's diets during wk f ge withut dverse effect n pullet's perfrmnce nd egg prductin nd qulity trits up t 25 wk f ge. significntly imprved due t feeding DWE prcessed y freezing with iling cmpred t the ther methds. This indictes tht the effect f prcessing methd depends n criteri f respnse. Interestingly, egg qulity trits f fresh eggs were nt significntly ffected y DWE level nd/r technique f ACKNOWLEDGEMENT The uthrs f this wrk wuld like t thnk King Adulziz City fr Science nd Technlgy, Riydh 11442, P. O. Bx 6086, Sudi Ari fr funding this prject which mde this wrk pssile. prcessing. Hwever, eneficil effect f freezing technique ws shwn due t mintining etter Hugh unit scre nd ylk index fter stred fr ne mnth in the refrigertin, thus extend egg shelf life. This imprvement in egg qulity trits fter shelf life fr ne mnth shwing the psitive effect f freezing techniques REFERENCES An, B.K., H. Nishiym, K. Tnk, S. Ohtni, S. Iwt, K. Tsutsumi nd M. Ks, Dietry sfflwer phsphlipid reduces liver lipids in lying hens, Pult. Sci., 76:

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