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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
- 2016.1
- 수록면
- 1 - 5 (5page)
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Background: Liquid feeding system has been introduced to domestic swine farms, but negative cognition about liquid feeding system has been remained for feed waste decay related with poor management and microbial contamination.
For these reasons, this study was conducted to evaluate the effects of feeding method in lactating sows.
Methods: A total of 30 mixed-parity (average 4.13) lactating sows (Yorkshire × Landrace) with an initial BW of 218.8 ± 19.
5kg was used in a 3 week trial. Sows were allotted to 1 of 2 treatments in a completely randomized design by their body weight, backfat thickness, parity and alive litter weight. One of treatments was dry feeding and the other was liquid feeding (water to feed ratio, 1:1). Experimental diets contained 3265 kcal ME/kg, 12.6 % CP, 5.76 % EE, 1.09 % total lysine, 0.25 % total methionine, as fed basis.
Results: Dry feeding treatment had high body weight loss rather than liquid feeding treatment (P = 0.04). Dry feeding treatment had tendency to increase litter weight at 21d of lactation (P = 0.06) and litter weight gain (P = 0.04) during lactation period (0–3 week). Sows fed dry feeding method made milk containing high content of casein and total solid rather than sows fed liquid feeding method (P = 0.04). In addition, dry feeding treatment had tendency to higher content of milk fat, protein and solid not fat on 21d of lactation (P = 0.07). Sows fed dry feeding type also showed higher milk energy content in milk of 21d lactation (P = 0.05). Furthermore, liquid feeding treatment showed high occurrence in feed waste during lactation period (P <0.01).
Conclusion: Dry feeding method was more suitable feeding method to lactating sows under high temperature environment like lactating barn.
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참고문헌 (22)
참고문헌 신청
Baidoo SK / 1992 / Effect of feed intake during lactation and after weaning on sow reproductive performance / Can J Anim Sci 72:911~917
Boyd R / 1995 / Nutrient uptake and endocrine regulation of milk synthesis by mammary tissue of lactating sows / J Anim Sci 73:36~56
Dourmad JY / 1998 / Effect of body protein and lysine supply on performance, nitrogen balance, and body composition changes of sows during lactation / J Anim Sci 76:542~550
Yung-Keun Han / 2006 / Effects of the Duration of Liquid Feeding on Performance and Nutrient Digestibility in Weaned Pigs / ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 19(3):396~401
Kirkwood RN / 1987 / The influence of feeding level during lactation on the occurrence and endocrinology of the post weaning estrus in sows / Can J Anim Sci 67:405~415
Boyd R / 1995 / Nutrient uptake and endocrine regulation of milk synthesis by mammary tissue of lactating sows / J Anim Sci 73:36~56
Dourmad JY / 1998 / Effect of body protein and lysine supply on performance, nitrogen balance, and body composition changes of sows during lactation / J Anim Sci 76:542~550
Yung-Keun Han / 2006 / Effects of the Duration of Liquid Feeding on Performance and Nutrient Digestibility in Weaned Pigs / ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 19(3):396~401
Kirkwood RN / 1987 / The influence of feeding level during lactation on the occurrence and endocrinology of the post weaning estrus in sows / Can J Anim Sci 67:405~415
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