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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 356 - 364 (9page)
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초록· 키워드
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The reproductive performance of lactating sows was investigated by using different feeding methods including conventional feeding (CF, 3 times/d) or free feeding (FF), and different dietary energy level including low energy (LE: 3,300) or high energy (HE: 3,400 kcal/kg) during the hot season. A total of twenty-eight crossbred (Yorkshire × Landrace) sows were distributed into four treatments as a 2 × 2 factorial arrangement. Sows in the FF group showed lower body weight and backfat loss (p < 0.05) compared with the CF group. Backfat loss during lactation was lower (p < 0.05) in sows fed HE diet than in that fed LE diet. There were no significant differences in litter survival rate and weaning to estrus interval, but the litter weight at weaning was improved (p < 0.05) in FF and HE sows. Hence, it is concluded that using the free-feeding system or increased dietary energy density leads to improved sow performance during hot ambient temperature.
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등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Baumgard LH / 2013 / Effects of heat stress on postabsorptive metabolism and energetics / Annu Rev Anim Biosci 1:311~337
Ross JW / 2015 / Physiological consequences of heat stress in pigs / Anim Prod Sci 55:1381~1390
Kim KY / 2019 / Evaluation of high nutrient diets and additional dextrose on reproductive performance and litter performance of heat‐stressed lactating sows / J Anim Sci 90:1212~1219
Wolp RC / 2012 / Soybean oil and crude protein levels for growing pigs kept under heat stress conditions / Livest Sci 147:148~153
김두완 / 2017 / 포유자돈의 합사가 모돈과 자돈의 체표면 온도 변화에 미치는 영향 / 한국산학기술학회논문지 18(1):135~140
Ross JW / 2015 / Physiological consequences of heat stress in pigs / Anim Prod Sci 55:1381~1390
Kim KY / 2019 / Evaluation of high nutrient diets and additional dextrose on reproductive performance and litter performance of heat‐stressed lactating sows / J Anim Sci 90:1212~1219
Wolp RC / 2012 / Soybean oil and crude protein levels for growing pigs kept under heat stress conditions / Livest Sci 147:148~153
김두완 / 2017 / 포유자돈의 합사가 모돈과 자돈의 체표면 온도 변화에 미치는 영향 / 한국산학기술학회논문지 18(1):135~140
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