이유자돈에서 돼지소장분말의 분무혈장단백 대체급여가 자돈의 성장률, 영양소 소화율 및 생산비에 미치는 영향
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서지정보
ㆍ발행기관 : 강원대학교 동물자원공동연구소
ㆍ수록지정보 : 동물자원연구 / 16권
ㆍ저자명 : 주지환, 채병조
ㆍ저자명 : 주지환, 채병조
목차
ABSTRACT Ⅰ. 서론 Ⅱ. 재료 및 방법 1. 공시 동물, 시험설계 및 시험사료 2. 조사 방법 3. 성분분석과 통계분석 Ⅲ. 결과 1. SDPP와 DPS의 성분함량 및 아미노산 회장소화율 2. 사양성적과 시험사료의 분 소화율 Ⅳ. 고찰 Ⅴ. 요약 Ⅶ. 참고문헌영어 초록
This study was conducted to determine the replacement effect of spray dried plasma protein (SDPP) with dried porcine solubles (DPS) in weaning pigs. An ileal digestibility trial, at first, was conducted to formulate the experimental diets with SDPP or DPS. Six piglets (21-d old and 6.12kg BW) with T -cannula in the terminal ileum were used. In a feeding trial, 180 pigs (21-d old and 5.98kg BW) were alloted in a completely randomized block design. Treatments were T1 (SDPP 5%, DPS 0%), T2 (SDPP 5%, DPS 2.5%), T3 (SDPP 2.5%, DPS 0%), and T4 (SDPP 2.5%, DPS 2.5%) for phase I, and T1 (SDPP 3%, DPS 0%), T2 (SDPP 3%, DPS 1.5%), T3 (SDPP 1.5%, DPS 0%), and T4 (SDPP 1.5%, DPS 1.5%) for phase Ⅱ. Phase Ⅰ(0~1 week) diet was formulated to contain 3,300ME kcal/kg and 1.25% digestible lysine, and phase Ⅱ (2~3 week) diet contained 3,320ME kcal/kg and 1.10% digestible lysine. Chemical pompositions of the protein sources were higher in SDPP than DPS: CP (81.60 vs. 56.01), lysine (5.95 vs. 3.36), and methionine (1.85 vs. 1.22). Apparent ileal digestibilities of arginine, isoleucine, leucine, lysine, methionine, threonine and phenylalanine were higher in DPS than SDPP (p<0.05). The apparent ileal digestibility of essential amino acids (average) was also higher in DPS than SDPP (p<0.05). There were no significant differences (p>0.05) in ADG and ADFI of piglets during phase Ⅰ (0~1 week) and Ⅱ (2~3 week) among treatments. However, during phase Ⅱ, T2 showed better FCR than T1 (p<0.05). During the overall period, there was no significant difference in growth performance among treatments. When DPS was partially replaced for SDPP, the diet cost was significantly reduced (p<0.05) in terms of cost/kg of body weight. In summary, the digestibility of DPS was exellent, and it would be concluded that DPS can be partially replaced in the young pigs' diet containing SDPP in order to reduce diet cost in weaning pigs.참고 자료
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