Micro-organisms Associated With Clinical Mastitis In Dairy Cows In Kiambu District Of Kenya

Abstract

A total of 1187 milk samples collected over a 6-year period (1982-1987) from cows with clinical mastitis were cultured for bacteria. 29.7% yielded gram positive organisms, 1.8% yeast, while 31.2% did not yield any organism. Coliforms (29.8% of total isolates) were the main pathogens, followed by Staphylococcus aureus, streptococci and Corynebacterium [Actinomyces] pyogenes. Most organisms were susceptible to tetracyclines, neomycin, chloramphenicol and gentamicin and least susceptible to sulfonamides.