Clinicopathological studies on the antioxidant effect of barley on chicken affected by lead toxicities.

Document Type : Original Article

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Animal Health Research Laboratory, Beni Suef 62511, Egypt.

Abstract

Forty five, 21-day-old balady chick were used in this experiment. Chicks were divided into three equal groups. The 1st group used as control. The 2nd and 3rd groups were supplemented with lead (Pb) acetate (1500 ppm) in drinking water but the latter group received ration containing 20% barley. Blood samples were collected from the wing vein after 1, 2 and 3 weeks. RBCs count Hb concentration and PCV were significantly decreased in group II during the experimental period. RBCs indices showed a significant decrease in MCH and MCHC in group II after 2 and 3 week of experiment. Leukogram showed heteropenia and moncytopenia. Total protein values showed significant decrease in group II due to decrease in serum albumin level after 2 and 3 week of experiment. Significant increase in activity of liver enzymes AST & ALT and serum uric acid were observed in group II after 3 weeks of experiment. Measurement of serum level of malondialhyde (MDA) revealed a significant increase in group II after 2 weeks of experiment while the total antioxidant capacity (TAO) showed significant decrease in group II after 2 and 3 weeks of experiment. Results of the lead residues in the experimental groups revealed that lead residue in muscle, liver and kidney were rise in group II compared with groups I and III.

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