Isolation of Salmonella typhimurium and Salmonella enteritidis in bison milk and dairy products and bison meat by cultural and PCR method

Subject Areas : Food Microbial Contamination

Sanaz Alizadeh ¹ , Hassan Momtaz ² , Ebrahim Rahimi ³

1 - Department of Food Hygiene, School of Veterinary Medicine, Islamic Azad University of ShahreKord.
2 - Department of Microbiology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
3 - گروه بهداشت مواد غذائی و بهداشت و بیماریهای آبزیان، دانشکده دامپزشکی، واحد شهرکرد، دانشگاه آزاد اسلامی

Received: 2017-12-11 Accepted : 2018-02-09 Published : 2018-10-23

Keywords: PCR, Salmonella typhimurium, meat, Disease-Agent Genes, Milk and its products, Salmonella interitidis,

Abstract :

This study aims at investigating the outbreak of Salmonella and Disease-Agent Genes Pf Salmonella interitidis and Salmonella typhimurium separted from bison milk and its products and bison meat in Khuzestan province- Mollasani town. On the Whole, 210 samples of meat, milk and its products in Esfand 94 and Farvardin 95 have been collected from Mollasani town. Samples have been analyzed for the presence of S. interitidis and S. typhimurium and Disease- Agent Genes. The outbreak of Salmonella in the studied sample was 2.8%. Highest out breaks of contamination were respectively in cheese sample 10%, cream 7.14% and 2.5%. No Salmonella was detected in meat, yogurt, butter and rice pudding. The separated Salmonella in the sample were S. interitidis5% and S. typhimurium 2.5%.