National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
This study was conducted with an objective to determine the immunotoxic effect of sub acute exposure of selenium (Se) in broilers with special reference to the Dinitroflurobenzene (DNFB) contact skin sensitivity test and pathomorphological alterations in histoarchitecture of lymphoid organs. The chicks were intoxicated orally with sodium selenite @ 2, 6 and10 ppm respectively in diet, daily for 35 days. The present study exhibited significant depression of cell mediated immunity in Se treated broilers as measured by DNFB skin contact sensitization test. The blood picture revealed dose dependant heterophilia and leukocytopaenia due to lymphocytopaenia. During subacute Se toxicity, severity of pathological changes of treated broilers was dose dependent. Lymphoid organs of selenium treated broilers revealed severe depletion of lymphocytes from the germinal centre.
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