In this study. i RO ('attle were surveyed j()r salmonella uJI7tc1mination and semtype distribution at three abattoirs (A. B and C) lowter! in Ankara and its towns. In abattoir A ('attle were süıuRhtered and dressed on the rail. in B and C on the .ıtoor. Fmm the cattle chosen randomly. totcil YOO swnples were obtclined oj' which 540 carcass swabs takenfimn three dijj'erelZt areas oj' each (',(//,(,(iss. 180 mesenteric lymph nodes alZd i RO intestinal contents. The results showed that 36 (20 %)

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... ' ('attle were salmonella positive and .3 i ( /7. 2 (le) ıvere salmonella porter. Bascc/ on the sequential samplinR. 9 (5 %) of carcasses. LO (1.85 %) of car('ass swabs. 12 (6.6 %) oj' mesenteric Iymph nodes and 26 (/4.4 0/0) of intestinal content were .f(JUnd salmonella positive. At the abaffoirs animals slauRhtered on the .ıtoor. salmonella incidence was j(){md signijiumtly higher «0.05) than at the abattoirpnimals slaughtered on the rai/. Three dijj'erent semtypes. namely S. anatum. S. ıvhimurium and ,lı". telaviı' were identijiedfimn al! salmonella positive samples. In the carcass swa/Js onlv S. anatum was detected. the mesenteric lymph nodes S. anatum. S. tvphimurium and S. fe/aııiv were isolated respectively 66.7 %. 25 % and R.3 %. In the intestinal content samples 53.R % oj' salmonella isolates was S. anatum. 30.8 % was S. tvohimurium and 15.4 % was S. telaviv. As a result. cattle and their carcass slaughtered and dressed at abattoirs located in Ankara and its towns were ./l)und highly contwninated with salmone/la. That meWH, ulttle car('ass and meats could be considered (i major risk of salnu mellr)sis. Ke)' words : Salmonella. ulttle ('arcass. mesenteri(' Iymph nodes, intestilut/ coııfeııf Üzet : Bu ça!tştnada. Ankara ili ve ç:evre ilçelere ait askıda (A) ve yerde (B ı'e C) kesim yapt/an 3 mezbahada kesime getirilen IRO sı/Iır materyalolarak kul!wlllIJllşllr. Bu amaçla. slKır karkaslal'll1ll1 3 aYr/ !JNgesinden alınan toplam 540 sıvap ile IRO mezenteriyal lenj' yumrusu ve IRO baKırsak iç.'eriKi olmak üzere toplam <)00ijrnek salmonella yönünden ([nalize all/ınuştl r. ,.1naliz bulgular/na gijre. slKırlar/n 36'sl (%20) salmonella pozitif: 3 i'i (%/7.2) salmonella portijr bulunmu,çtur. Swap ijrneklerinin 10'lındwı (% I.R5). ka rkaslal'lll ise 9 'undan (% 5). mezenteriyal lenf yumrusu ijrneklerinin /2 'sinden I. Bu çalışın,I.ProLDr.Rurhan Dinçer danı~manlıgında yiiriitiilen doktora teLinden özetlenmiş olup. Anbr,ı Unıv Ar,ışiırma Fonu (ProJc no 9'i-}()-()()-()}) tarafından desteklenmiştir. 2 /\rcl~.GhrDr ı\nbra Univ. VeterlııCf Fakiiltesl. Besin Hijyeni ve Teknolojisi Anabilim Dalı.