STUDIES ON THE ROLE OF COLOSTRIDIAL ORGANISMS AND OTHER BACTERIA IN CALF DIARRHOEA WITH SPECIAL REFERENCE TO THEIR SUSCEPTIBILITY TO SOME ANTI-BACTERIAL AGENTS.

EL-GED, A.; EL-SAYED, Z.M.; KHALID, A.; ABD EL-GABER, G.; ABD EL-RAHMAN, M.; EL-BARDISY, M.M.

doi:10.21608/avmj.1994.184347

STUDIES ON THE ROLE OF COLOSTRIDIAL ORGANISMS AND OTHER BACTERIA IN CALF DIARRHOEA WITH SPECIAL REFERENCE TO THEIR SUSCEPTIBILITY TO SOME ANTI-BACTERIAL AGENTS.

Document Type : Research article

Authors

10.21608/avmj.1994.184347

Abstract

Recovery of enteric bacteria from diarrhoeic calves showed high incidence (96.00%). This recovery was more than that recovered from apparently normal ones (43.00%). Among enteric bacteria, combination of members of Family Enterobacteriaceae and Genus Clostridium in the examined calves was higher in frequency than single isolates of each of Clostridium and F. Enterobacteriaceae respectively. Isolated members of F. Enterobacteriaceae were E.col in a highest rate followed by K. oxytoca, K. ozaenae, S. typhimurium, S. onderstep < /em>oort and C. diversus. Members of G. Clostridium that were recovered were mostly Cl.perfringens included types D, A, B and C respectively followed by Cl. sporogens, cl. tertium, C1. sordellii, cl.histolyticum, Cl.bifermentans, Encl.barati, Cl. cadaveris, Cl.cochlearium, Cl. fallax, Cl.spehenoides and C. paraputrificum. There were seasonal variations in the isolation of enteric bacteria from diarrhoeic calves where F. enterobacteriacease recorded the highest incidence at winter but closteridial infection was high at autumn. Susceptibility of isolated bacteria showed that mixed E.coli strains were highly sensitive to Cefalothin, Validixic acid and Nitrofurantoin. Mixed Enterobacteriaceae isolates were susceptible to Nalidixic ancid and Cefalothin; and mixed Cl.perfrigens isolates were highly sensitive to Cefoxitin, Cefalothin and Nitrofurantoin. On the other hand, mixed E.coli and Cl.perfringens strains, mixed Enterobacteriaceae and Clostridial isolates and mixed cloistral isolates recorded complete resistance which give us an idea to apply the vaccination program for the control of bacterial causes of calf diarrhoea without depending completely on the use of these medicaments.