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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 1,328 - 1,343 (16page)
- DOI
- 10.5187/jast.2021.e104
이용수
초록· 키워드
오류제보하기
The effect of Multi-Carbohydrase (MC) supplementation on growth performance, visceral organ weights, blood metabolites, jejunum morphology, nutrient digestibility, and carcass parameters of broiler chickens fed nutrient-deficient corn soybean-meal based diets containing high levels of non-starch polysaccharides from wheat and wheat by-products was investigated. A total of 378 one-day-old Ross 308 broiler chickens were randomly assigned to one of seven dietary treatments to give six replicates per treatment (nine birds per pen). Dietary treatments were as follows: (1) positive control (PC; commercial standard diet); (2) negative control 1 (NC-1; PC-120 kcal/kg metabolizable energy); (3) NC-2 (PC-3% standardized ileal digestibility [SID] amino acids). The remaining four dietary treatments were formulated with the addition of MC (MC; Superzyme-CS™) into two negative controls along with two supplementation levels of MC (i.e., 0.025% and 0.05%, respectively). Improved body weight, average daily gain, and feed conversion ratio (p < 0.05) were observed in broiler chickens fed a reduced energy diet supplemented with MC compared to birds fed NC-1 diet from days 1-35. Additionally, birds fed a reduced energy diet with 0.05% MC showed comparable (p > 0.05) growth performance with birds fed PC for 35-day post-hatch. Furthermore, the addition of MC into reduced amino acid diets improved (p < 0.05) growth performance. Broiler chickens fed MC supplemented nutrient-deficient diets showed a greater (p < 0.05) villus height to crypt depth ratio than birds fed diets without MC on days 21 and 35. Similarly, improved (p < 0.05) nutrient digestibility was observed in birds fed reduced energy diets supplemented with MC compared to birds fed NC-1 on days 21 and 35. Our results suggest that MC supplementation into reduced energy or reduced amino acid diets containing wheat and wheat by-products has the potential to improve growth performance and nutrient digestibility while maintaining healthier gut morphology in broiler chickens from 1 to 35 days of age.
목차
등록된 정보가 없습니다.
참고문헌 (43)
참고문헌 신청
Knud Erik Bach Knudsen / 2014 / Fiber and nonstarch polysaccharide content and variation in common crops used in broiler diets / Poultry Science 93(9):2380~2393
B.A. Slominski / 2011 / Recent advances in research on enzymes for poultry diets / Poultry Science 90(9):2013~2023
Lorena Salim de Sousa / 2019 / Fiber source and xylanase on performance, egg quality, and gastrointestinal tract of laying hens / Revista Brasileira de Zootecnia 48:e20170286
U. Aftab / 2012 / Exogenous carbohydrase in corn-soy diets for broilers / World's Poultry Science Journal 68(3):447~464
D. Wu / 2017 / Carbohydrase enzymes improve performance of broilers fed both nutritionally adequate and marginal wheat-based diets / Journal of Applied Animal Nutrition 5:e12
B.A. Slominski / 2011 / Recent advances in research on enzymes for poultry diets / Poultry Science 90(9):2013~2023
Lorena Salim de Sousa / 2019 / Fiber source and xylanase on performance, egg quality, and gastrointestinal tract of laying hens / Revista Brasileira de Zootecnia 48:e20170286
U. Aftab / 2012 / Exogenous carbohydrase in corn-soy diets for broilers / World's Poultry Science Journal 68(3):447~464
D. Wu / 2017 / Carbohydrase enzymes improve performance of broilers fed both nutritionally adequate and marginal wheat-based diets / Journal of Applied Animal Nutrition 5:e12
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