Histopathology of sub chronic toxicity with organophosphate compound coumaphos in Rock dove pigeons (Columba livia gaddi)‎

الملخص EN

The aim of this study was to investigate sub chronic toxicity of oral administration of organ phosphorus insecticide coumaphos for three month in rock dove pigeons .Thirty birds were divided into three equal groups Each group was treated either with 0.5 mg/bird (group A) or 0.3 mg/bird (group B) or left as control group(group C)..Histopathological changes were revealed degenerate/vacuolated nerve fibers in spinal cord and sciatic nerve, liver congestion and periportal fibrosis.

Hyperatrophy of renal cortical tubules and vacuolation of myocardial muscle cells were also noticed