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Effect of Energy and Protein Levels for the Production of Large Broiler Chicks

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동물자원연구 (Annals of Animal Resources Sciences)
강원대학교 동물자원공동연구소 (Institute of Animal Resources Kangwon National University)
초록

This experiment was conducted to investigate the reasonable levels of energy and protein for the production of large broilers. A total of nine hundred sixty, day old broiler chickens (Ross) were randomly divided into six groups with four replicates of forty birds each. Experiments were factorial designed with 3,100, 3,000, and 3,030 kcal of ME/kg and 22, 21, and 21% CP for the first week; and 3,100, 3,035, and 3,050 kcal of ME/kg and 19, 19, and 18.5% CP for the second and third week; and 3,100, 3,175, and 3,100 kcal of ME/kg and 17, 18, and 17.5 CP for the fourth and fifth week; and 3,100, 3,175, and 3,250 kcal of ME/kg and 17, 17, and 18% CP for the sixth and seventh week. Body weight and feed conversion ratio were higher in T3 than the other treatments groups (p<0.05). Feed intake was higher in than males than females treatment group (p<0.05). No significant differences were observed in carcass percent and leg meats production rate was 22.5% in T1 treatment of male and female were 22.5% of the T5 treatment. In addition, 21.4% in females treated T4 and T6 treatment was 21.5%. Abdominal fat was higher in males than females. After seven weeks, the moisture content of litter did not differ among the treatments. In the experimental results, large male broilers at the end of the feeding in protein and energy levels should be increased. However, females did not suggest a need to increase.

목차
ABSTRACT   I. 서론   II. 재료 및 방법    1. 공시축 및 시험설계    2. 조사 항목 및 방법    3. 통계분석   III. 결과 및 고찰    1. 생산성    2. 도체성적 및 복강지방축적율    3. 깔짚 수분함량   IV. 요약   V. 인용문헌
저자
  • 나재천(농촌진흥청 국립축산과학원 가금과) | Jae Cheon Na
  • 박성복(농촌진흥청 국립축산과학원 가금과) | Sung Bok Park
  • 방한태(농촌진흥청 국립축산과학원 가금과) | Han Tae Bang
  • 김동욱(농촌진흥청 국립축산과학원 가금과) | Dong Wook Kim
  • 김민지(농촌진흥청 국립축산과학원 가금과) | Min Ji Kim
  • 최희철(농촌진흥청 국립축산과학원 가금과) | Hee Chul Choi
  • 채현석(농촌진흥청 국립축산과학원 가금과) | Hyun Suk Chae
  • 서옥석(농촌진흥청 국립축산과학원 가금과) | Ok Suk Suh
  • 강환구(농촌진흥청 국립축산과학원 가금과) | Hwao Ku Kang Corresponding Author