Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
A Case of Bovine Mastitis by Nocardia asteroides
KATSUMI OOTANICHIEKO ABIKOYOSHIKAZU SUZUKI
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1991 Volume 44 Issue 11 Pages 1135-1138

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Abstract

Pathological and bacteriological examinations were conducted on a bovine mastitis caused by Nocardia. Macroscopicaly, the cut surface of the udder was greyish white in color, and general edema with hemorrhage being observed. Histopathologically, necrosis of the mammary gland was seen, and exudate cells and tissue debris filled the alveoli. The Grocott's stain revealed numerous fungal threads. Bacteriologicaly, white and dry colonies were isolated in pure culture from the mammary lesions. The organism was identified as Nocardia asteroides from the biological characteristics. From these observations, this case was diagnosed as a gangrenous mastitis caused by N. asteroides.

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