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Influence of Dietary Natural and Synthetic figments on Growth Performances, Skin Pigmentation and Color Difference in Broiler Chicks  

김창혁 (강원대학교 동물자원공동연구소)
김혜정 (동물자원과학대학)
함영훈 (동물자원과학대학)
이성기 (동물자원과학대학)
이규호 (동물자원과학대학)
Publication Information
Korean Journal of Poultry Science / v.30, no.1, 2003 , pp. 35-40 More about this Journal
Abstract
This experiment was conducted to investigate the effects of natural and synthetic commercial pigments on the growth performances, skin pigmentation and color difference of broiler chicks. Experimental diet was formulated to have isocalories and isonitrogen for experimental period, and xanthophyll concentration in the diet was 8.45g/1on. The experiment was conducted for six weeks with 450 broiler chicks. The birds were assigned to 10 treatment groups and each group had 15 chicks with three replications. Results showed that the types of pigments did not have any effect on body weight, feed intake and feed efficiency. The mortality was lower with higher pigment supplementation and greater in the natural pigment groups than in the synthetic ones. Dressed carcass, abdominal fat pad and gizzard weight were not significantly different among treatments. The pigmentation of shank skin was increased with high pigment supplementations, and the pigmentation effect was greater with synthetic pigments than in natural pigments. In the shank meat or skin, the color difference(L*, a*, b*, c* and h*) was not consistently related to pigmentation.
Keywords
pigments; growth performances; skin pigmentation; color difference broiler;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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