Zinc supplementation alleviates heat stress in laying Japanese quail

From: The Journal of Nutrition | Date: September 1, 2003| Author: | Copyright information

ABSTRACT The study was conducted to determine whether zinc supplementation could alleviate the detrimental effects of high ambient temperature (34[degrees]C) on egg production, digestibility of nutrients and antioxidant status in laying Japanese quail. Quail (n = 180; 52 d old) were divided into six groups (n = 30/group) and were fed a basal diet or the basal diet supplemented with 30 or 60 mg of zinc (ZnSO^sub 4^ . H2O)/kg diet. Birds were kept at 22[degrees]C and 58% relative humidity (RH). At 13 wk of age, the thermoneutral (TN) groups remained at the same temperature, whereas the ...

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