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Incidence of Microorganisms during Slaughtering Process of Cattle  

Cha Seong-Kwan (한국식품개발연구원)
Kim Yun-Ji (한국식품개발연구원)
Kim Myung-Ho (한국식품개발연구원)
Shin Jeom-Ho (서울대학교)
Lee Moo-Ha (서울대학교)
Publication Information
Food Science of Animal Resources / v.24, no.3, 2004 , pp. 232-237 More about this Journal
Abstract
This study was carried out to evaluate the microbiological quality of beef carcasses at different slaughtering process in large (>100 cattle/day) and small (<30 cattle/day) scale slaughtering houses. Swabbing method was used to analyze the incidence of microorganisms on brisket surface of beef carcasses in each process of after dehiding, after evisceration, before and final wash, and in cold room. In winter time, large scale slaughterhouse showed lower incidence of aerobic microorganisms (10$\^$0/∼10$^2$ CFU/$\textrm{cm}^2$) than those of small scale slaughterhouse (10$\^$0/-10$^3$ CFU/$\textrm{cm}^2$) during the slaughtering process of after dehiding, evisceration and before final wash. But samples from carcasses after final wash and in cold room storage showed no difference in aerobic cell counts between large and small scale slaughterhouse. In spring time, samples showed higher incidence of microorganisms by the log scale 1 than those of winter time in both of small and large scale slaughterhouse. After final wash, different sampling place in carcass such as rump, flank, brisket showed the different washing effect in both of small and large scale slaughterhouse. After final wash, samples from rump showed lower aerobic cell counts, but samples from flank and brisket showed higher aerobic cell counts than samples from each site before final wash.
Keywords
incidence of microorganisms; beef carcass; slaughtering process;
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