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Effects of Taurine Supplementation on the Egg Production and Quality in Laying Hen  

김정학 (전북대학교 농과대학 동물자원과학과)
심관섭 (전북대학교 농과대학 동물자원과학과)
박강희 (전북대학교 농과대학 동물자원과학과)
Publication Information
Korean Journal of Poultry Science / v.29, no.3, 2002 , pp. 171-176 More about this Journal
Abstract
Two experiments were conducted to investigate the effects of taurine supplementation on the egg production and egg quality in laying hen. In experiment 1, 19-wk-old laying hens were allowed one of four taurine supplemented diets (0 (control), 0.4, 0.8, and 1.2% taurine) for 10 weeks. The mean egg weight was lower about 1.2g in the 0.8% diet compared to the control. Egg production rate, egg mass, and feed intake in layers fed with 0.4, 0.8, and 1.2% taurine supplemented diets decreased by 8%∼24%, 3%∼l4% and 11%∼l5%, respectively, relative to the control. However, the feed conversion, parameters of egg quality, and the concentration of triacylglycerol and the level of cholesterol in yolk were not different among the treatments. In experiment 2, 81-wk-old laying hens were allocated one of three taurine supplemented diets(0 (control), 1 and 2% taurine) for 6 weeks. The egg weight, egg production rate, egg mass, feed intake, feed conversion, parameters of egg quality, and level of yolk cholesterol were not different among the treatments, but the concentration of triacylglycerol in yolk was higher by 14%∼19% compared to the control. In conclusion, these results indicated that taurine supplementation in early laying stage of layers decreased hen performance.
Keywords
taurine; laying hen; egg production; egg quality;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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