ISOLATION OF UREAPLASMA FROM BOVINE GRANULAR VULVITIS

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  • 1 January 1978
    • journal article
    • research article
    • Vol. 42  (2) , 151-155
Abstract
Cultures for Mycoplasmatales, viruses and bacteria were made from bovine vulvar swabs to determine whether Ureaplasma was associated with a clinical granular vulvitis observed in16 Ontario (Canada) dairy herds. Ureaplasma was isolated from 23.5% of 34 clinically normal cows, 74% of 27 cows with mild to moderate vulvar hypermia but no discharge and 100% of 20 cows with acute vulvar hypermia accompanied by purulent discharge. There were statistically significant differences in rates of isolation among clinical groups. Mycoplasma bovigenitalium was isolated from 7.7% and 20% of cows with moderate or acute vulvitis, respectively, but not from normal cows. Haemophilus somnus was isolated from 25% of cows with acute vulvitis. There were no significant differences in isolations of Escherichia coli, Corynebacterium pyogenes and alpha-hemolytic Streptococcus between normal and clinically affected animals. Cultures of 135 repeat samples from 33 cows revealed that Ureaplasma persisted in some animals for at least 3 mo. No viruses were isolated from any of the animals viruses were isolated from any of the animals in this study.