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논문검색

사료 내 이탈리안 라이그라스 펠렛의 첨가급여가 임신모돈의 번식성적에 미치는 영향

초록

영어

The aim of this study was to investigate the effects of dietary supplementation of pelleted-Italian Ryegrass (IRG) as a source of fiber on reproduction performance in pregnant sows. A total of 24 pregnant sows were randomly assigned to four dietary treatments, which was given a corn-soybean diet with 0%, 10%, 20%, and 30% pelleted-IRG from 105 days prepartum to 7 days postpartum. During experimental period, the sows fed the IRG supplemented diet showed the lower feed intake than the sows fed the control diet (p<0.05). The changes of body weight in sows from initial to pre- and/or post-partum was significantly smaller in sows fed the IRG supplemented diet than control group. It is thought that the lower weight gain in IRG supplemented groups is caused by low feed intake. Although there was no significant difference, sows fed the IRG supplemented diet tended to increase the litter size and birth weight in piglets compared with sows fed the control diet. This result suggests that the dietary supplementation of IRG has the positive effects to improve the reproductive performance in sows. But, the excessive feeding of IRG to sows might cause to retard the days of return to estrus, and decrease the contents of solid, milk protein, and milk fat in colostrum. Thus, the addition of about 10% IRG is desirable to increase the reproductive performance. Meanwhile, the feeding energy diet is better effective than feeding the fiber diets to improve overall productivity in sows after postpartum.

목차

ABSTRACT
 서론
 재료 및 방법
  공시동물 및 시험설계
  공시재료
  사양관리
  조사항목 및 조사방법
  통계분석
 결과
  시험사료 분석
  모돈의 사료섭취량 및 체중변화
  모돈의 분만성적
  초유 유성분분석
 고찰
 인용문헌

저자정보

  • 김기현 Ki Hyun Kim. 농촌진흥청 국립축산과학원
  • 김광식 Kwang Sik Kim. 농촌진흥청 국립축산과학원
  • 김조은 Jo Eun Kim. 농촌진흥청 국립축산과학원
  • 정현정 Hyun Jung Jung. 농촌진흥청 기술협력국
  • 이성대 Sung Dae Lee. 농촌진흥청 연구정책국
  • 사수진 Soo Jin Sa. 농촌진흥청 국립축산과학원
  • 홍준기 Joon Ki Hong1. 농촌진흥청 국립축산과학원
  • 박준철 Jun Cheol Park. 농촌진흥청 국립축산과학원
  • 김영화 Young Hwa Kim. 농촌진흥청 국립축산과학원

참고문헌

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