A NEVER ENDING STORY MASTITIS

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A NEVER ENDING STORY MASTITIS

DIAGNOSTIČNE PREISKAVE CITOLOŠKE METODE: Mikroskopsko štetje levkocitov v razmazu mleka(prescott- Breed) Preizkus z mastitis reagensom npr. California mastitis test Elektronsko štetje celic v mleku (Fossomatic) MERJENJE ELEKTRIČNE PREVODNOSTI MLEKA BAKTERIOLOŠKA PREISKAVA MLEKA ANTIBIOGRAM

DOLOČITEV ŠTEVILA CELIC V MLEKU Mikroskopska metoda California mastitis test Merjenje električne prevodnosti mleka Elektronsko štetje celic

Število celic v mleku iz zdrave vimenske četrti je praviloma pod mejo 100x10 3 /ml. Med vrstami levkocitov v zdravi žlezi prevladujejo makrofagi v okuženi pa nevtrofilni granulociti.

SPREMINJANJE ŠSC IN IZLOČANJA BAKTERIJ Z MLEKOM V PRIMERU OKUŽBE S S.AUREUSOM Dan vzorčenja Bakterije/ml ŠSC (x 1000/ml) 1 2800 880 2 6000 144 4 7000 104 5 10000 896 13 >10000 152 14 1200 1052 15 >10000 168

BAKTERIOLOŠKA PREISKAVA

POMEMBNEJŠI BAKTERIJSKI POVZROČITELJI MASTITISA STREPTOCOCCUS (agalactiae, dysgalactiae,uberis) STAPHYLOCOCCUS (aureus) BACILARNI POVZROČITELJI (E.coli, Pseudomonas aeruginosa,klebsiella pneumoniae) OSTALI POVZROČITELJI MIKOPLAZME PLESNI KVASOVKE

CANDIDA ALBICANS

INTRAMAMARNA APLIKACIJA ANTIBIOTIKA

ANTIBIOGRAM Difuzijska metoda

Dilucijska metoda Antibiotic assay by tube dilution, permitting detection of the minimum inhibitory concentration (MIC). A series of increasing concentrations of antibiotic is prepared in the culture medium. Each tube is inoculated, and incubation is allowed to proceed. Growth (turbidity) occurs in those tubes with antibiotic concentrations below the MIC

E test

β - lactamase testing

INCIDENCE OF MASTITIS PATHOGENS IN SLOVENIA Subclinical mastitis 2001 2005 2008 2010 (n=10817) (n=12514) (n=9834) (n=11159) Streptococcus agalactiae % 1,1 0,8 0,2 0,4 Streptococcus spp. % 39,6 40,9 47,1 53,2 Staphylococcus aureus % 48,2 45,7 42,6 31,8 Yeast, fungi % 7,2 7.8 6,3 11,5 Other % 3,9 4,8 3,8 3,1

MRSA THE SUPERBUG Methicillin resistant Staphylococcus aureus VRSA THE HYPERBUG Vancomycin resistant Staphylococcus aureus Tracking Antibiotic Resistance in Staphylococcus aureus

COWS SHEEP Antibiotik S I R S I R % % % % % % Sensitivity of S. aureus strains isolated from milk samples 2009-2010 Penicillin 59.2 2.6 38.2 93.7 6.3 Ampicillin 61.8 38.2 95.0 5.0 Amoxicil. + clav. acid 87.3 12.7 Cloxacillin 98.2 1.8 100 Oxacillin 100 100 Kanamyc. 92.1 7.9 100 Cows n = 1238 Sheep n = 740 Cephalex. 96.1 3.9 96.7 3.3

Breast infection 1 Breast infection 2 Normal breast

PRAKTIČNA VREDNOST BAKTERIOLOŠKE PREISKAVE IN ANTIBIOGRAMA ZDRAVLJENJE: Diagnostika mastitisa; Da/ne, katera vimenska četrt? Determinacija povzročiteljev vnetja Dokaz občutljivosti/rezistence povzročiteljev na posamezne antibiotike

SANACIJA/PREVENTIVA: Vir (rezervoar) patogenih mikroorganizmov Način širjenja patogenih mikroorganizmov v čredi in dejavniki, ki pri tem sodelujejo Način okužbe mlečne žleze

OB MOLŽI: Streptococcus agalactiae, Staphylococcus aureus ZDRAVO VIME OKUŽENO VIME POŠKODBE V ČASU MED MOLŽAMI OB MOLŽI OKOLJE IZTREBKI VDOR ZRAKA V MOLZNO ENOTO KRPE ZA ČIŠČENJE ROKE NASTILJ ZEMLJA VODA MED MOLŽAMI: drugi streptokoki, E. coli, Ps. aeruginosa

BAJKE IN POVESTI O ZDRAVLJENJU MASTITISA NA SLOVENSKEM

BIOTECHNOLOGY

+++ ++ + imunosupresija + - - -- Subkliničen potek --- Kliničen potek ZDRAVJE BOLEZEN

ZDRAVLJENJE MASTITISA ZDRAVLJENJE KLINIČNI MASTITIS SUBKLINIČNI MASTITIS KLINIČNA OZDRAVITEV BAKTERIOLOŠKA OZDRAVITEV BAKTERIOLOŠKA OZDRAVITEV

POTEK ZDRAVLJENJA PODATKI Anamneza Rezultati predhodnih preiskav Rezultati kliničnega pregleda Rezultat bakteriološke preiskave Rezultat antibiograma

AKUTNI MASTITIS PRIČETEK ZDRAVLJENJA KRONIČNI MASTITIS

MASTITIS STAPHYLOCOCCUS AUREUS OVCA

MIKROABSCESI V ŽLEZNEM TKIVU Mastitis apostematosa BAKTERIJA V NOTRANJOSTI CELICE

DEJAVNIKI POVEZANI Z OZDRAVITVIJO MASTITISA POVZROČENEGA S STAPHYLOCOCCUS AUREUS + STAROST ŽIVALI 1., 2. LAKTACIJA ŠTEVILO OKUŽENIH ČETRTI / KRAVO NIZKO ŠSC OB ZAČETKU ZDRAVLJENJA LAKTACIJSKO OBDOBJE > 150 DNI p.t. OBČUTLJIVOST NA PENICILIN PODALJŠAN ČAS ZDRAVLJENJA KRAVA A: 4. laktacija, ŠSC 2000 x 10 3, < 100 dni p.t., 1,2% bakt. ozdravitev KRAVA B: 1. laktacija ŠSC < 500 x 10 3, 220 dni p.t., 61% bakt. ozdravitev

The course of the SCC in milk during a S. aureus infection SCCx000 3000 2500 2000 1500 1000 500 0 0 1 2 3 4 5 6 7 8 9 10 11 12 Time (months)

IZBIRA ZDRAVILA

FARMAKOLOŠKI UČINKI GLUKOKORTIKOIDOV GLUKONEOGENEZA ZAVIRAJO FORMIRANJE LIMFOIDNEGA TKIVA IN ZORENJE LIMFOCITOV INHIBICIJA VNETNIH PROCESOV

Three types of action of antimicrobial agents. At the time indicated by the arrow, a growthinhibitory concentration was added to the exponentially growing culture. Note the relationships between viable and total cell counts

NAČIN DELOVANJA POSAMEZNIH ANTIBIOTIKOV NA BAKTERIJSKO CELICO BAKTERICIDNO BAKTERIOSTATIČNO PENICILINI PENICILIN G KLOKSACILIN AMPICILIN AMOKSICILIN MAKROLIDI TILOZIN ERITROMICIN SPIRAMICIN OLEANDOMICIN CEFALOSPORINI TETRACIKLINI

BAKTERICIDNO BAKTERIOSTATIČNO AMINOGLIKOZIDI STREPTOMICIN KANAMICIN FRAMICETIN GENTAMICIN PIRANOZIDI LINKOMICIN KLINDAMICIN KLORAMFENIKOL OSTALI ANTIBIOTIKI RIFAMPICIN

OBČUTLJIVOST ISTOVRSTNIH BAKTERIJ NA DOLOČEN ANTIBIOTIK BAKTERIJE ZELO OBČUTLJIVE OBČUTLJIVE MANJ OBČUTLJIVE

ALEXANDER FLEMING THE GREATEST POSSIBILITY OF EVIL IN SELF-MEDICATION IS THE USE OF TOO SMALL DOSES SO THAT INSTEAD OF CLEARING UP INFECTION, THE MICROBES ARE EDUCATED TO RESIST PENICILLIN AND A HOST OF PENICILLIN-FAST ORGANISMS IS BREAD OUT WHICH CAN BE PASSED TO OTHER INDIVIDUALS AND FROM THEM TO OTHERS UNTIL THEY REACH SOMEONE WHO GETS A SEPTICEMIA OR A PNEUMONIA WHICH PENICILLIN CANNOT SAVE. INTERVIEW BY THE NY TIMES 1945

LIFE MAGAZINE, 1944

ENDOCARDITIS - VALVULITIS Penicilin v odmerku 12 to 18 mil. U/24 h, polsintetični penicilini, cefalosporini antimikrobna terapija najmanj 6 tednov % ozdravitev do 85% TERAPIJA MASTITIS - CHRONICA Signifikantno manjši odmerki antibiotika Povprečno 10 x krat krajši čas zdravljenja % ozdravitev??? POVZROČITELJI: Streptococci, Enterococci, Staphylococcus aureus, coagulase-negative staphylococci

ZDRAVLJENJE OB PRESUŠITVI Manjša mlečnost Večja obrambna sposobnost mlečne žleze Večja koncentracija antibiotika v žarišču okužbe Manjša količina zavrženega mleka Odpade problem reziduov v mleku Možnost razvoja kroničnih oblik mastitisa Prenos okužbe na ostale živali v čredi

ANTIBIOTIK V MLEČNI ŽLEZI STAPHYLOCOCCUS AUREUS

ŠIRJENJE MIKROORGANIZMOV V HLEVSKEM OKOLJU

ODPRAVLJANJE OBSTOJEČIH OKUŽB M A S T I T I S ZDRAVLJENJE IZLOČEVANJE MOLZNI STROJ MOLŽA RAZMERE V HLEVU PREHRANA PREPREČEVANJE NOVIH OKUŽB

PROGRAM SANACIJE Ocena kmetije, hleva, molzišča,prehrane,načina reje itd. Klinični pregled živali s poudarkom na mlečni žlezi Analiza razpoložljivih rezultatov in zbiranje novih podatkov Spremljanje poteka molže Pregled molznega stroja Odkrivanje okuženih krav Sanacijski in preventivni ukrepi, glede na vrsto povzročiteljev, ki prevladujejo v določeničredi Ocenjevanje uspeha sanacije

RESULTS OF BACTERIOLOGICAL EXAMINATIONS