Pathological study of non-neoplastic urinary bladder lesions in cattle and buffaloes: a preliminary report
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- Somvanshi, R., Pathania, S., Nagarajan, N. et al. Trop Anim Health Prod (2012) 44: 855. doi:10.1007/s11250-011-9978-y
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A total of 236 urinary bladders (94 cattle and 142 buffaloes) collected from Bareilly, Uttar Pradesh, India, were studied for spontaneous lesions. These adult animals belonged to Institute’s organized dairy farm and rural areas in the Rohilkhand region of Uttar Pradesh. Grossly, congestion, hemorrhages, and cystoliths in urinary bladders were diagnosed. Histopathologically, the major conditions diagnosed were acute cystitis, 44 (18.64%), including, congestion, hemorrhages, sub-acute cystitis; chronic cystitis, 74 (31.35%), including chronic cystitis un-complicated type, lymphocytic cystitis, plasmolymphocytic cystitis, follicular cystitis, hyperplasia, nodular/acinar hyperplasia, and cystolithiasis; and nothing unusual diagnosed, 118 (50.00%). Similar types of pathological conditions were diagnosed in both species of animals with exception of follicular cystitis and nodular/acinar hyperplasia which was diagnosed respectively only in buffaloes and cystoliths in cows. In addition, a good number of 17/25 (68%) urinary bladder samples tested were found positive for presence of bovine papillomavirus type-2 (BPV-2) by polymerase chain reaction. These included eight cases of acute cystitis, an equal number of cases of chronic cystitis, and one normal bladder. BPV-2 is known as potential source of enzootic bovine hematuria along with other co-factors in enzootic areas. Lesions of zoonotic significance, like tuberculosis, etc., were not diagnosed. None of the observed lesions represented conditions, which, by themselves, would warrant carcass condemnation in buffaloes.