32401 - ROLE OF MICRONUTRIENTS ON ANIMAL IMMUNITY...

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ROLE OF MICRONUTRIENTS ON ANIMAL IMMUNITY DR.C.KATHIRVELAN, M.V.Sc, PhD Assistant professor Department of Animal Nutrition College of Veterinary Science S.K.Nagar, Gujarat State 385 506 INDIA
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Bacteria NADPH OXIDASE NADPH NADP + 2 e - 2O 2 2O - 2 H 2 0 2 H 2 0 Bacteria GSHpx SOD Respiratory burst Neutrophil Chew,1996
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Nutrition interact with animal immune system (Pring and Ahmed,1993) Micronutrients (Minerals and Vitamins) Minerals Zn, Cu,Cr.Se,Mn, Fe,Co Vitamins like E,beta carotene and vitamin A,Vitamin C Stress condition The requirement of micronutrient for optimal immune response is greater than the amount required for growth and reproduction (Harmon,1994; Scaletti,1992) INTRODUCTION
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Micronutrients Minerals Zinc Copper Chromium Selenium Vitamins ( Antioxidants) Vitamin E Carotenoids (beta carotene ) and Vitamin A
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IMMUNITY Immunity refers to,reactions by an animal body to foreign substances such as microbes and various macro molecules ( Abbas et al. ,1991) Immune system A collection of cells and molecules that protect  the body against infection, malignancy and  damaged cells ( Abbas  et al.,  1991)
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IMMUNITY INNATE Physical and chemical barriers Phagocytes (Neutrophils & Macrophages) -Inflammatory process. ACQUIRED Specific towards particular antigen and enhanced with repeated exposure
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ACQUIRED IMMUNNE RESPONSE Mediated by B lymphocytes. Mediated by T lymphocytes HUMORAL CELL MEDIATED ( Galyean et al., 1999)
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B lymphocytes Mature in bone marrow Antigen binding receptor in their membrane B cells Memory cells Plasma cells (Chew,1996)
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T lymphocytes Mature in thymus gland Function to; Killing infected cells. Stimulate microbial and cytotoxic activity of immune effecter cells
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This note was uploaded on 02/23/2012 for the course AGRICULTUR 200 taught by Professor Staff during the Fall '11 term at Rutgers.

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32401 - ROLE OF MICRONUTRIENTS ON ANIMAL IMMUNITY...

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