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KMID : 1094020070240040588
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Journal of Veterinary Clinics
2007 Volume.24 No. 4 p.588 ~ p.592
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Detection of Escherichia coli(K99), Clostridium perfringens and Cryptosporidium parvum in Diarrhetic Feces of Korean Native Calves
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Chon Seung-Ki
Lee Han-Kyung
Kim Nam-Soo
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Abstract
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The prevalence of E. coli(K99), Clostridium perfringens and Cryptosporidium parvum on acute diarrhea in suckling Korean native calves was evaluated in the field by a veterinary practice. In diagnosis, fecal samples were directly collected from calves that had diarrhea between 2 and 98 days of age. 40 samples were analyzed in October, 2006 and December, 2006. Clostridium perfringens and Cryptosporidium parvum were detected in 15(37.5%) and 4(10.0%) of the samples from diarrhetic calves, respectively. However, E. coli(K99) was not detected in the samples from diarrhetic calves. There was no significant difference(p>0.05) between October(5, 25.0%) and December(10, 50.0%) in incidence of detected Clostridium perfringens from diarrhetic calves. On the other hand, significant differences (p<0.05) in the detection rate of Clostridium perfringens were found between the within 1 month age and all other age groups. In the detection of Cryptosporidium parvum, there was no significant difference(p<0.05) between October (2, 10.0%) and December(2, 10.0%) in the incidence of detected Cryptosporidium parvum from diarrhetic calves. These results suggest that causative agents of calf diarrhea occurred frequently with Clostridium perfringens infection than E. coli(K99) and Cryptosporidium parvum.
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KEYWORD
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Korean native calf, E. coli(K99), Clostridium perfringens, Cryptosporidium parvum, immunochromatographic rapid test
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