n Journal of the South African Veterinary Association - Prevalence of microorganisms associated with udder infections in dairy goats on small-scale farms in Kenya : short communication - : short communication

Volume 72, Issue 2
  • ISSN : 1019-9128
  • E-ISSN: 2224-9435


Six hundred and thirty clinically-normal milk samples from dairy goat flocks comprising a mixed population of German Alpine, Toggenburg, Saanen and Galla crosses were exam-ined over a 3-month period to determine the prevalence of bacterial organisms. Bacteria were isolated in 28.7 % of the milk samples (181/630) either singly (92.8 %) or in combination (7.2 %). The most prevalent bacterial organisms were <i>Staphylococcus</i> spp. (60.3 %), followed by Micrococcus spp. (17.7 %), Acinetobacter spp. (5 %), <i>Actinomyces</i> spp. (5%) and <i>Streptococcus</i> spp. (1.1 %). The <i>Staphylococcus</i> spp. were mainly coagulase negative (64.3 %). Coagulase-- negative staphylococci and coagulase-positive staphylococci accounted for 37.5 % and 22.7 % respectively of the total bacteria isolated. The isolation of bacteria, some of which are important in clinical and subclinical mastitis, in apparently normal caprine milk, indicates that particular attention should be given to the management of these dairy goat flocks in order to avoid the development of cases of clinical mastitis.

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