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Effects of different parities on productive performance of lactating sows
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  • Effects of different parities on productive performance of lactating sows
  • Effects of different parities on productive performance of lactating sows
저자명
송민호,김도명,최규명,서성원,Song. Minho,Kim. Do-Myung,Choi. Kyu-Myung,Seo. Seongwon
간행물명
농업과학연구
권/호정보
2012년|39권 3호|pp.365-369 (5 pages)
발행정보
충남대학교 농업과학연구소
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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Fast recovery of feed intake and milk production are very important in the management of lactating sows because they are directly related to sow and litter performance. It is also known that parity is one of factors affecting feed intake and milk yield during lactation. Therefore, the objective of this study was to evaluate effects of different parities on productive performance of lactating sows fed diets containing different levels of DDGS. A total of 245 sows were divided into 3 parity groups of 1 to 2, 3 to 5, and over 5 parities. Within each parity group, sows were allottedto 1 of 4 dietary treatments that were prepared by inclusion of 0, 10, 20, and 30% DDGS in lactation diets. Diets were fed to sows during lactation. Sows with parities 1-2 had lower (p < 0.05) initial sow body weight, sow feed intake, sow weight change, and sow backfat change during lactation than sows with parities 3-5 as well as parities over 5. However, sows with parities over 5 had lower (p < 0.05) litter size at weaning, litter birth weight, litter weaning weight, and piglet average daily gain and higher pre-weaning mortality than sows with parities 1-2 as well as parities 3-5. In conclusion, parity influences productive performance of lactating sows.