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Asian-Australas J Anim Sci > Volume 14(2); 2001 > Article
Animal Products
Asian-Australasian Journal of Animal Sciences 2001;14(2): 276-279.
DOI: https://doi.org/10.5713/ajas.2001.276    Published online February 1, 2001.
Effect of Helminthiasis on Zinc Metabolism
L. M. Musalia, P. Aggett
Abstract
The effect of helminthiasis on zinc metabolism was monitored using endogenous 65Zn after intraperitoneal injection of 1 g of 65Zn as zinc chloride. In the first experiment zinc turnover was investigated in 18 male weanling rats, which were randomly divided into 3 groups. One group was infected with 73 third stage larvae of Nippostrongylus brasiliensis per gram body weight ; the other groups were the pair-fed and ad lib-fed controls. The route of loss of zinc was investigated in the second experiment with the same design using 18 animals with a lower dose of infection (33 larvae per gram body weight). The biological half life of endogenous 65Zn was lower (p<0.05) in the infected group as compared to the controls. In the later phase of infection (9th to 16th day) there was reduced retention of 65Zn and increased loss (p<0.05) of 65Zn from the body though urine and faeces. It was concluded that infection of N. brasiliensis was accompanied by increased loss of endogenous Zn through faeces and urine.
Keywords: Helminthiasis; Nippostrongylus brasiliensis; Rats; Zinc; Feed Intake


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