Chronic copper poisoning in sheep grazed under grape orchard fertilise with poultry litter

  • Luiz Alberto Oliveira Ribeiro Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Departamento de Medicina Animal, Porto Alegre, RS
  • Norma Centeno Rodrigues Universidade Luterana do Brasil, Faculdade de Veterinária, Canoas, RS
  • Willian Augusto Smiderle Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, RS
Keywords: Sheep, Chronic, Copper poisoning, Poultry litter, Crushing grapes husks

Abstract

This work describe dead due to chronic copper poisoning (CCP) that occurred in a flock of sheep grazed under grape orchard, located at the hilly area of southern Brazil; supplemented with concentrate and crushing grapes husks. The orchard was annually sprayed with 2 per cent copper sulphate and the ground fertilised with poultry litter. The sheep showed depression, jaundice and hemoglobinuria. Fourteen sheep died, representing 57 per cent of the flock. The clinical sign, necropsy and microscopic findings were typical of CCP. The serum level of aspartate aminotrasferase (AST) of remain six sheep, varied from 48.8 to 403.3 IU/L. The cooper level found in the poultry litter, crushing grapes husks, grass and concentrate were 637, 158, 86 and 18 mg/kg, respectively. It is concluded that the sheep losses occurred due to the high level of copper found in the pasture, crushing grapes husks and concentrate fed to the animals. It is also suggested, the environmental risk of poultry litter as fertiliser of sheep pasture as well as the use of crushing grapes husks as sheep supplemental feeding.

Downloads

Download data is not yet available.
Published
2007-06-01
How to Cite
Ribeiro, L., Rodrigues, N., & Smiderle, W. (2007). Chronic copper poisoning in sheep grazed under grape orchard fertilise with poultry litter. Brazilian Journal of Veterinary Research and Animal Science, 44(3), 208-211. https://doi.org/10.11606/issn.1678-4456.bjvras.2007.26640
Section
UNDEFINIED