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Year 2015 - Volume 35, Number 1
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Poisoning by Enterolobium contortisiliquum in cattle in Northeastern Brazil, 35(1):44-48
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ABSTRACT.- Olinda R.G., Medeiros R.M.T., Dantas A.F.M., Lemos R.A.A. & Riet-Correa F. 2015. [Poisoning by Enterolobium contortisiliquum in cattle in Northeastern Brazil.] Intoxicação por Enterolobium contortisiliquum em bovinos na região Nordeste do Brasil. Pesquisa Veterinária Brasileira 35(1):44-48. Hospital Veterinário, Centro de Saúde e Tecnologia Rural, Universidade Federal de Campina Grande, Campus de Patos, Patos, PB 58700-310, Brazil. E-mail: rgumes@hotmail.com
An outbreak of photosensitization caused by Enterolobium contortisiliquum pods is reported in cattle in the state of Pernambuco, semiarid region of Northeastern Brazil. The clinical signs included decreased appetite, prostration, weight loss, subcutaneous edema, dermatitis and jaundice. The animals presented mild anemia, elevated serum activities of AST, LDH and GGT, and increased serum concentrations of urea. Serum concentrations of creatinine, total proteins and albumin were within normal ranges. At necropsy, the liver was increased in size and diffusely orange. The subcapsular surface of the kidneys showed irregular whitish striations interspersed with dark areas. Histologically, the skin showed dermatitis, and the liver had centrolobular vacuolation and necrosis of hepatocytes and occasionally single cell necrosis. Tubular toxic nephrosis was also observed. The poisoning by E. contortisiliquum should be differentiate from photosensitation caused by other plants including Brachiaria spp., Panicum dichotomiflorum and Froelichia humboldtiana. |
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