Korean Journal of Veterinary Research 2010;50(2):113-116.
Comparative study of Clostridium perfringens, Salmonella spp. and E. coli focused on characteristics of E. coli O157 isolated from pigs of HACCP- and non-HACCP-accredited swine farms in Korea
Hyun Ok Keum, Hye Kwon Kim, Se Mi Rho, Hyoung Joon Moon, Seong Jun Park, Bong Kyun Park
College of Veterinary Medicine and BK21 Program for Veterinary Science, Seoul National University
To determine the prevalence of Escherichia (E.) coli O157 : H7 from pigs after the Hazard Analysis and Critical Control Point (HACCP) system has been applied to Korean swine farm since 2006, 291 fecal samples were tested between May and December in 2008. Four E. coli O157:non-H7 (1.4%) were isolated from 4 different non-HACCP-accredited farms and they didn't have virulent genes which can cause illness for human. Also, Clostridium (C.) perfringens, Salmonella spp. and E. coli enterotoxins were tested using multiplex PCR. The positive rate for these pathogens of non-HACCP-accredited farms was higher than that of HACCP-accredited farms, and especially in case of C. perfringens, E. coli enterotoxins LT and STa, it was statistically significant (p < 0.05). Thus, the early implementation of the HACCP program is expected to greatly contribute to the safety of livestock products as well as food hygiene.
Key Words: Escherichia coli O157, HACCP, pig
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