한국가금학회지 (Korean Journal of Poultry Science)

  • 제35권1호
  • /
  • Pages.63-69
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  • 2008
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  • 1225-6625(pISSN)
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  • 2287-5387(eISSN)
한국가금학회 (The Korean Society of Poultry Science)
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산란계의 육성기 제한 급여가 생산성 및 계란 품질에 미치는 영향

Effects of Restricted Feeding during Growing Period on Laying Performance and Egg Quality in Layers

  • 강환구 (축산과학원 축산자원개발부 가금과) ;
  • 조재훈 (부천축협) ;
  • 김지혁 (축산과학원 축산자원개발부 가금과) ;
  • 강근호 (축산과학원 축산자원개발부 가금과) ;
  • 유동조 (축산과학원 축산자원개발부 가금과) ;
  • 나재천 (축산과학원 축산자원개발부 가금과) ;
  • 김동욱 (축산과학원 축산자원개발부 가금과) ;
  • 이상진 (축산과학원 축산자원개발부 가금과) ;
  • 김인식 (전북대학교 수의학과) ;
  • 김상호 (축산과학원 축산자원개발부 가금과)
  • Kang, H.K. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Cho, J.H. (Buchon National Livestock Cooperatives Federation) ;
  • Kim, J.H. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Kang, H.G. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Yu, D.J. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Na, J.C. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Kim, D.W. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Lee, S.J. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science) ;
  • Kim, I.S. (Department of Veterinary Anatomy, Chonbuk National University) ;
  • Kim, S.H. (Poultry Science Division, Livestock Resource Development, National Institute of Animal Science)
  • 발행 : 2008.03.31
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초록

본 연구는 1일령 갈색 산란계 Isa-Brown을 3처리, 6반복으로 반복 당 60수씩 총 1,080수를 공시하여 각각 육성기에 제한 급여를 실시한 후 산란 시기에 산란율, 사료 섭취량, 사료요구율 및 계란 품질에 미치는 영향을 조사하기 위해 실시하였다. 산란기간 동안 제한 급여 처리구에서 산란율, 난중 및 산란 지속성 등이 대조구에 비해 증가하는 결과를 나타내었으나, 사료 섭취량 및 사료 요구율에서는 다른 처리구와 비교하였을 때 T1 처리구에서 유의적으로 높은 결과를 나타내었다(P<0.05). 계란 품질에서는 각각의 처리구간 사이에 유의적인 차이는 나타나지 않았다. 이상의 결과로 산란계에서 육성기의 제한 급여는 자유 채식에 비해 뚜렷한 유의적 차이는 나타나지 않았으나, 전기간 생산성에서 성적이 향상되어짐을 나타났는데, 초생추 이후 $6{\sim}18$주령까지 사료 급여를 제한하였던 T1의 성적이 가장 좋게 나타나, 육성기 제한 급여 기간이 길더라도 산란 능력에는 영향을 미치지 않았으며, 이는 제한 기간 동안 성장이 적절히 이루어졌으며 부족한 부분은 보상 성장을 통해 확보되었기 때문으로 사료된다. 하지만 적정 급여 수준 및 급여 강도에 대한 연구는 현재까지도 미흡한 실정이며, 추후 제한 급여에 관한 좀더 많은 연구가 필요하겠다.

The objective of this study was to investigate the effect of restricted feeding to laying performance and egg quality in brown layers. A total of 1,080 brown layer chicks were divided into three treatments; conventional feeding (ad libitum) and two restricted feedings (80% of conventional diet) for 70 weeks. One of restricted feeding started from six to eighteen weeks of age, and the other started from twelve to eighteen weeks of age. Diets were formulated by NRC (1994) recommendation. Overall laying performance and feed intake were the highest in $6{\sim}18 wk$ restricted group. But there was no significant difference among treatment group (P>0.05). Feed intake was higher in $6{\sim}18 wk$ restricted group during maximum production (P<0.05), but there was no difference between treatments after the peak. Egg quality tended to decreased by aging, but there was no significant difference among the treatments (P>0.05). The result of present study indicated that restricted feeding in rearing period of layers is beneficial to improve egg productivity and to reduce feed cost.

키워드

참고문헌

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