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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 563 - 574 (12page)
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초록· 키워드
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A total of 1512 Ross 308 broilers (one - day - old) were assigned (random blocks) to 1of 3 dietary treatments with 28 replicates of 18 chicks/cage. The dietary treatments were Cornsoybean- meal based basal diet supplemented with 0%, 0.1%, and 0.2% of commercial yeast hydrolysate (YH [Saccharomyces cerevisiae]). The graded level of YH supplementation has linearly increased broilers body weight gain on d 21, 35, and overall (p = 0.044, 0.029, and 0.036, respectively) experimental period. In addition, the increased level of YH supplementation has linearly reduced feed conversation ratio of broilers on d 21, 35, and overall trial period (p = 0.041, 0.052, and 0.032, respectively). However, the feed intake and mortality of broilers were not affected by the graded level of YH supplementation. Though nutrient digestibility of dry matter (p = 0.012) and nitrogen (p = 0.021) was linearly increased in broilers fed YH supplementation, at the end of the trial it fails to affect the total track digestible energy. Dietary inclusion of YH supplementation showed a beneficial effect on the microbial population as linearly improved lactobacillus (p = 0.011) and reduced Escherichia coli counts (p = 0.042). An increasing level of YH supplementation has tended to decrease NH3 (p = 0.069) and linearly decrease H2S (p = 0.027) of noxious gas emission in broilers. Moreover, dietary YH supplements trend to increase the glucose (p = 0.066) and reduced cholesterol (p = 0.069) level. At the end of the test, YH supplementation elicited a linear reduction in drip loss on days 5 and 7, respectively (p = 0.045, and 0.021). Furthermore, dietary inclusion of YH supplementation had linearly increased villus height (p = 0.051) but fails to affect crypt depth. Therefore, in terms of positive effects on the broiler’s overall performance, we suggest that dietary supplements containing graded YH levels in the broilers diet could serve as a potential alternative for growth promoters.
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참고문헌 (44)
참고문헌 신청
S.K. Rout / 2016 / Influence of Probiotics and Acidifier supplementation on Growth, Carcass Characteristics and Economics of Feeding in Broilers / Indian Journal of Animal Nutrition 33(1):97~101
Castanon JR / 2011 / History of the use of antibiotics as growth promoters in European poultry feeds / Poult Sci 86:2466~2471
Ogle M / Riots, rage, resistance: a brief history of how antibiotics arrived on the farm / Scientific American
Santi D. Upadhaya / 2016 / Effect of protected organic acid blends on growth performance, nutrient digestibility and faecal micro flora in growing pigs / Journal of Applied Animal Research 44(1):238~242
H. Laube / 2013 / Longitudinal Monitoring of Extended-Spectrum-Beta-Lactamase/AmpC-Producing Escherichia coli at German Broiler Chicken Fattening Farms / Applied and Environmental Microbiology 79(16):4815~4820
Castanon JR / 2011 / History of the use of antibiotics as growth promoters in European poultry feeds / Poult Sci 86:2466~2471
Ogle M / Riots, rage, resistance: a brief history of how antibiotics arrived on the farm / Scientific American
Santi D. Upadhaya / 2016 / Effect of protected organic acid blends on growth performance, nutrient digestibility and faecal micro flora in growing pigs / Journal of Applied Animal Research 44(1):238~242
H. Laube / 2013 / Longitudinal Monitoring of Extended-Spectrum-Beta-Lactamase/AmpC-Producing Escherichia coli at German Broiler Chicken Fattening Farms / Applied and Environmental Microbiology 79(16):4815~4820
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