OCCURRENCE AND RISK FACTORS ASSOCIATED WITH PATHOGENIC E. COLI IN DIARRHEIC CALVES | ||
Journal of the Egyptian Veterinary Medical Association | ||
Volume 78, Issue 1, April 2018, Pages 91-97 PDF (850.25 K) | ||
Document Type: Original Research Articles | ||
Abstract | ||
Bacteriological examination of faecal swabs collected from healthy (H) and diarrheic (D) calves, revealed isolation of 26 E. coli isolates from 56 calves with an incidence 46.4% Gram negative bacilli, non-sporulated. Then biochemical tests were done. Then serological test for representative number of samples from every farm identifying O1, O26, O44, O55, O115, O119, O125, O146, O151 and 2 samples were untypable. The samples were sensitive to Norofloxacin with 80.7% and resistant to Ampicillin and Cefotaxime with 100%.The PCR for 4 gene ompA, stx1, stx2 and eaeA. | ||
Keywords | ||
calves; diarrhea; E.coli | ||
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