Citation
Abdullah, Faez Firdaus Jesse and Adamu, Lawan and Yee, Jia Yin and Osman, Abdinasir Yusuf and Haron, Abd Wahid and Saharee, Abdul Aziz
(2013)
Suspected Johne's disease in a herd of dairy cattle: a case report.
IOSR Journal of Agriculture and Veterinary Science, 4 (1).
pp. 58-62.
ISSN 2319-2372; ESSN: 2319-2380
Abstract
Four adult Friesian cross cows were experiencing intermittent diarrhea and chronic weight loss in a dairy farm in Dengkil, Negeri Sembilan. They were managed semi-intensively with pelleted diet and kept with a herd of 80 dairy cattles. One of the cattle, Kuning, experienced drop in milk yield from 10L/day to 2L/day. Physical examination revealed a poor body condition score of 2/5 in all 4 cattles, although they have good appetite. The differential diagnoses were Johne's disease, fascioliasis, chronic salmonellosis and coccidiosis. Laboratory diagnosis of Ziehl- Neelsen stained faecal smears from all 4 cattles revealed presence of acid fast bacteria. Haematology and serum biochemistry results of all 4 cattles shown lymphocytosis and hyperglobulinemia. Based on the compatible clinical signs, haematology and serum biochemistry results, presence of acid fast bacteria, diagnosis of suspected Johne's disease is made. A herd screening revealed 9 out of 30 cattles had acid fast stained bacteria in the faeces.
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