Journal of Animal Science and Technology

  • 제53권2호
  • /
  • Pages.127-132
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  • 2011
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  • 2672-0191(pISSN)
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  • 2055-0391(eISSN)
한국축산학회 (Korean Society of Animal Sciences and Technology)
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유색보리 및 청보리의 급여가 산란계의 생산성과 계란의 품질 및 혈액성상에 미치는 영향

Effect of Feeding Colored Barley and Whole Crop Barley on Performance, Egg Quality and Blood Composition of Laying Hens

  • 송태화 (국립식량과학원 벼맥류부) ;
  • 한옥규 (국립식량과학원 벼맥류부) ;
  • 박태일 (국립식량과학원 벼맥류부) ;
  • 박기훈 (농촌진흥청 연구정책국) ;
  • 김기종 (국립식량과학원 벼맥류부) ;
  • 윤명자 (전북대학교 동물소재공학과) ;
  • 정용대 (전북대학교 동물소재공학과) ;
  • 류경선 (전북대학교 동물소재공학과)
  • 투고 : 2010.10.18
  • 심사 : 2011.03.18
  • 발행 : 2011.04.30
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초록

이 연구는 산란계 사료원료로 유색보리와 청보리를 급여시에 생산성, 계란품질, 혈액성상 및 지방산 조성에 미치는 영향을 구명하고자 실시하였다. 처리구는 대조구, 유색보리와 청보리를 각각 0, 5, 10, 15% 수준으로 혼합하여 급여하였다. 공시동물은 35주령 닉 브라운 산란계 280수로 처리구당 5반복 반복당 8수씩 개체별로 수용하여 4주간 진행하였다. 시험사료는 옥수수-대두박 위주의 사료로 물과 함께 무제한으로 급여하였으며, 1일 16시간 점등 사육한 결과는 다음과 같다. 산란계에서 유색보리와 청보리는 각각 10%와 5% 급여수준에서 산란율이 극대화되었으며, 사료섭취량은 청보리 급여구에서 대조구보다 매우 높게 나타났지만(P<0.05), 사료요구율은 보리 급여구와 대조구간에 통계적 차이가 없었다. 난황색은 보리 급여구에서 높았으며, 난각강도는 차이가 없었고 호유닛은 청보리 급여구에서 증가하는 경향을 보였다. 난황에서 포화지방산 함량은 청보리 15% 급여구에서 매우 높게 나타났다(P<0.05). 유색과 청보리 급여구에서 혈중 단백질, 알부민, 콜레스테롤, 중성지방은 보리 급여수준이 증가함에 따라서 대조구에 비하여 낮았지만 청보리 급여구에서 총콜레스테롤과 HDL은 급여수준이 증가함에 따라서 높아지는 경향을 보였다. 이 실험 결과 유색보리와 청보리는 산란계 사료원료로서 15%까지 혼합 급여시에 대조구와 생산 및 계란의 품질에 차이가 없었으므로 사료원료로서 이용이 가능하였지만, 더욱 높은 급여수준에 대한 추후의 연구가 필요하다.

This study was conducted to investigate the effect of feeding colored barley (CB) and whole crop barley (WCB) on performance, egg quality and blood composition of laying hens. A total of 280, 35 weeks old Brown Nick laying hens were allocated into the individual cage for the period of four weeks. Experimental diets contained 2,750 kcal/kg ME and 16% CP, respectively. The treatments consisted of 5, 10, 15% CB and WCB as feed ingredients with control and there were five replications in each treatment. Higher egg production was noticed at 10% level of CB and 5% level of WCB in the diets, respectively. Feed intake was higher in WCB and CB treatments compared to those of the control (P<0.05), but the feed conversion was not different. Yolk color tended to increase both in WCB and CB groups. Haugh unit seemed to increase WCB treatments. When the CB and WCB were fed at 15% level, blood total proteins, albumin, total cholesterol and triglyceride contents were decreased than that of the control birds, but total cholesterol and HDL-cholesterol tended to be higher with the increasing level of WCB. As results, no significant differences were observed in performance and egg quality with different levels of dietary WCB and CB. Thus, CB and WCB can be substituted as a feed ingredient up to 15% level in the laying hens' diet. However, further studies are required by feeding more than 15% levels of CB and WCB in the diet of laying hens.

키워드

참고문헌

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