Immunopathological effect of mercury on humoral immune response in chickens
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Keywords:Î²- lymphocyte blastogenesis assay, Chickens, ELISA, Haemagglutination inhibition test, Mercuric chloride
Effect of mercury on Ranikhet disease vaccine-induced humoral immune response was investigated in 80 chickens for 12 weeks. The experimental chickens were divided into two groups of 40 each. Group 1 was kept as control while in group 2, mercuric chloride was given @ 125 ppm daily for 12 weeks in drinking water. The humoral immune response was assessed by ELISA, haemagglutination inhibition test and P- lymphocyte blastogenesis assay at 2-week-interval by taking blood samples of 5 birds from each group. The humoral immune response including antibody titre against Ranikhet disease vaccine and P- lymphocyte blastogenesis were found to be decreased significantly (P<0.05) in mercury fed chickens as compared to controls indicating the immunosuppressive effect of mercury even at low doses.
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