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Effect of Various Energy Regimens on Egg Production and Feed Cost of Broiler Breeders Peaked in Winter Season  

함영훈 (강원대학교 사료생산공학과)
김상인 (강원대학교 사료생산공학과)
이규호 (강원대학교 사료생산공학과)
Publication Information
Korean Journal of Poultry Science / v.30, no.3, 2003 , pp. 169-175 More about this Journal
Abstract
This experiment was conducted to study the optimum energy feeding regimens fur broiler breeders peaked in winter season with 400 caged hens of Ross strain. Four energy supply regimens which were different in daily energy allotment during laying period were employed for 40 weeks from 24 to 64 weeks of age. All experimental diets were formulated to contain 2,750 kcal ME/kg with adjustments made in total feed allotment to provide the desired energy levels. Total consumption of the feed would provide 20 g of protein, 4 g of calcium and 0.35 g of available phosphorus. There were no difference in hen-day egg production and average egg weight among the regimens of energy supply. Feed, ME and feed cost required per egg or per kg egg were significantly increased as the level of energy allotment increased(p<0.05). It was concluded that the energy supply regimen, which supplied 280 kcal ME per day at the age of 24 weeks and then increased the energy supply up to 400 kcal ME per day at the peak period of 30∼34 weeks of age, was superior in feed, ME and feed cost required per egg or per kg egg without any adverse effect on eg production and egg weight.
Keywords
winter; broiler breeder; energy; egg production; feed conversion; feed cost;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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