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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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초록· 키워드
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This experiment was conducted to investigate the effects of dietary yeast (Saccharomyces exguus) supplementation on growth performance, cecal microflora and fecal ammonia gas in broiler chicks. A total of two hundred seventy, 1-d-old male broiler chicks (Ross strain) were randomly allotted to nine pens (replicates), 30 birds per pen. There were three dietary treatments with three replicates. The treatments were control (virginiamycin 0.05%＋salinomycin 0.03%), Saccharomyces exguus 0.5 and 1.0%.
Total body weight gain were significantly higher in Saccharomyces exguus1 1.0% treatment than the control (P＜0.05). Although not significant, the yeast supplementation tended to improve the feed conversion ratio. No significant differences were observed on the numbers of cecal E. coli, Salmonella and Lactobacillus in yeast treatments compared to those of control. The production of fecal ammonia gas was significantly lower in yeast treatments than the control (P＜0.05). The concentrations of fecal short chain fatty acids and volatile organic compounds were not different among the groups.
These results suggest the possibility that yeast (Saccharomyces exguus) could be used as the alternative of antibiotic growth promoters by improving the performance of broiler chicks.
In addition, dietary yeast could improve the environment of broiler houses by reducing fecal ammonia production.
Total body weight gain were significantly higher in Saccharomyces exguus1 1.0% treatment than the control (P＜0.05). Although not significant, the yeast supplementation tended to improve the feed conversion ratio. No significant differences were observed on the numbers of cecal E. coli, Salmonella and Lactobacillus in yeast treatments compared to those of control. The production of fecal ammonia gas was significantly lower in yeast treatments than the control (P＜0.05). The concentrations of fecal short chain fatty acids and volatile organic compounds were not different among the groups.
These results suggest the possibility that yeast (Saccharomyces exguus) could be used as the alternative of antibiotic growth promoters by improving the performance of broiler chicks.
In addition, dietary yeast could improve the environment of broiler houses by reducing fecal ammonia production.
목차
ABSTRACT
서론
재료 및 방법
결과 및 고찰
적요
인용문헌
참고문헌 (17)
참고문헌 신청
1. [학술지(정기간행물)] - / 1999 / Gut microbiology and growth-promoting antibiotics in swine 20 : 115N ~ 122N
2. [학술지(정기간행물)] - / / Hutcheson DP 1992 Influence of yeast culture on feeder calves and lambs. J Anim Sci 70 : 1682 ~ 1690
3. [학술지(정기간행물)] - / 1995 / Performance and nutrient digestibility in weanling pigs as influenced by yeast culture additions to starter diets containing dried whey or one of two fiber sources 73 : 1381 ~ 1389
4. [학술지(정기간행물)] - / 1998 / Effect of yeast-supplemented feed on Salmonella and Campylobacter populations in broiler 77 : 405 ~ 410
5. [학술지(정기간행물)] - / 1998 / Effects of a direct-fed yeast culture on enteric microbial population, fermentation acids, and performance of weanling pigs 76 : 2138 ~ 2145
2. [학술지(정기간행물)] - / / Hutcheson DP 1992 Influence of yeast culture on feeder calves and lambs. J Anim Sci 70 : 1682 ~ 1690
3. [학술지(정기간행물)] - / 1995 / Performance and nutrient digestibility in weanling pigs as influenced by yeast culture additions to starter diets containing dried whey or one of two fiber sources 73 : 1381 ~ 1389
4. [학술지(정기간행물)] - / 1998 / Effect of yeast-supplemented feed on Salmonella and Campylobacter populations in broiler 77 : 405 ~ 410
5. [학술지(정기간행물)] - / 1998 / Effects of a direct-fed yeast culture on enteric microbial population, fermentation acids, and performance of weanling pigs 76 : 2138 ~ 2145
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