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Effects of supplemental ascorbic acid on humeral immune response in broilers reared under heat-stress condition

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Author(s): Vahel J. A. Amedy, | Ihsan T. Tayeb, | Johnny S. Yokhana

Journal: Research Opinions in Animal & Veterinary Sciences
ISSN 2221-1896

Volume: 1;
Issue: 7;
Start page: 459;
Date: 2011;
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Keywords: Ascorbic acid | Broiler | Immunity

ABSTRACT
An experiment was conducted to evaluate the efficacy of supplemental ascorbic acid (Vitamin C) on the haemagglutination inhibition (HI) and enzyme linked immune sorbent assay (ELISA) antibody titer of the commercial broiler chicks vaccinated against Newcastle disease (ND) virus, reared under heat stress condition. A total of 420, one day-old broiler chicks were randomly divided into 4 groups and kept under elevated summer temperature and treated with four levels of added ascorbic acid i.e., 0 (control group), 200, 400, 600 mg/kg in diets for 28 days, from 21 to 49 days of experimental period. HI antibody titer and ELISA antibody titer against ND virus were significantly (P
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