지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.46 No.3
- 발행연도
- 2019.9
- 수록면
- 417 - 426 (10page)
이용수
초록· 키워드
오류제보하기
This study was conducted to evaluate seasonal effects on production performance of lactation sows reared in two different environments in South Korea. A total of 76 sows (Landrace × Yorkshire) from the Dankook University experimental farm and 120 sows (Landrace × Yorkshire) from a commercial farm were collected. In the current study, reduced (p ＜ 0.01) feed intake and energy intake during lactation were observed in warm season compared with cool season in both farms. Sows in cool season had higher backfat thickness at weaning but lower back fat loss (p ＜ 0.01) than those in warm season. The weaning to estrus interval was lower (p ＜ 0.01) in cool season than in warm season. Piglets weaned in warm season had lower (p ＜ 0.01) body weight (BW), body weight gain (BWG), and average daily gain (ADG) at weaning than did those weaned in cool season on the Dankook University farm, whereas the reduction effect was only observed during 0 - 21 d on the commercial farm (p ＜ 0.01). Moreover, piglets weaned in cool season had higher BW, BWG, and ADG (p ＜ 0.05) on both farms. In conclusion, our results indicate that warm season had very negative effects on feed intake and production performance of lactating sows and piglets.
목차
Abstract
Introduction
Materials and Methods
Results
Discussion
Conclusion
References
참고문헌 (18)
참고문헌 신청
Auldist DE / 1995 / anipulating Pig Production V / APSA :114~118
Azain MJ / 1996 / Effect of supplemental pig milk replacer on litter performance : Seasonal variation in response / Journal Animal Science 74:2195~2202
Black JL / 1993 / Lactation in the sow during heat stress / Livestock Production Science 35:153~170
Gourdine JL / 2006 / Effects of season and breed on the feeding behaviour of multiparous lactating sows in a tropical humid climate / Journal Animal Science 84:469~480
Koketsu Y / 1997 / Factor associated with prolonged weaning to mating interval among sows on farms that wean pigs early / Journal of the American Veterinary Medical 211:894~898
Azain MJ / 1996 / Effect of supplemental pig milk replacer on litter performance : Seasonal variation in response / Journal Animal Science 74:2195~2202
Black JL / 1993 / Lactation in the sow during heat stress / Livestock Production Science 35:153~170
Gourdine JL / 2006 / Effects of season and breed on the feeding behaviour of multiparous lactating sows in a tropical humid climate / Journal Animal Science 84:469~480
Koketsu Y / 1997 / Factor associated with prolonged weaning to mating interval among sows on farms that wean pigs early / Journal of the American Veterinary Medical 211:894~898
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