Intoxication due to the consumption of huinar (Melochia pyramidata) in bovine of Colima, Mexico
Journal Title: Abanico Veterinario - Year 2018, Vol 8, Issue 3
Abstract
With the purpose of describing the pathological conditions of bovines intoxicated by consuming huinar (Melochia pyramidata) in Colima, Mexico, there are three cases of animals with signs of incoordination, ataxia, and paralysis of the posterior train, prostration and death, suspects of bovine paralytic rabies. Complementary studies of hematology, necropsies, histopathology, and immunofluorescence were performed and M. pyramidata plants were collected for the detection of alkaloids. Leukocytosis was detected by neutrophilia and normocytic normochromic anemia. The macroscopic findings were the presence of edema in multiple organs. Histopathologically the brain, cerebellum, spinal and oblongata cord, as well as peripheral nerves, presented axonal degeneration and areas of demyelination. In histological test without evidence of lesions, negative to rabies virus in immunofluorescence test and the presence of alkaloids was detected in M. pyramitada. Therefore, the consumption of alkaloids through Melochia pyramidata causes nervous disease in cattle that helps in the differential diagnosis of bovine paralytic rabies. Finally, the description of this case can help identify the toxic flora of western Mexico.
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