Estudo da prevalência de mastite bovina

Abstract

Prevalence of the bovine mastitis in "DAIRY BELT" of Londrina, PR, Bra-sü. 235 lactating cows from 9 properties in Londrina, PR, were examined 102 (43.4%) reacted positively to the "VIAMÄO MASTITE TESTE". From the reacting cows the pathogenic agent was isolated in 85 (83.3%), what leads to the conclusion that 36.2% of the examinated animals were infected The etiological agentes isolated were: Staphylococcus aureus (18.3%) Streptococcus sp. (12.8%), Corynebacterium pyogenes (1.3%) Escherichia coli (0.8%) and association of Staphylococcus aureus and Streptococcus sp (3.0%).