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자화활성수 제조장치인 HI-Scalper153R의 처리가 부로일러의 육성성적 및 분중 암모니아 농도에 미치는 영향
고용균 강원대학교 동물생명과학연구소(구 강원대학교 동물자원공동연구소) 2005 동물자원연구 Vol.16 No.-
In order to investigate the effects of magnetized water treated with HI-Scalper153R on body performance and ammonia concentration in feces of broiler chicks, a feeding trial was conducted with a total of 180 broiler chicks. Each treatment had 18 chicks with 5 replications. Chicks during experimental periods, broiler chicks were fed magnetized water and subterranean water, respectively. The results obtained summarized as follows: Body weight gain slightly increased for broiler chicks fed magnetized water compared with control. But, there is no significantly (p=0.36) different among treatments. Feed intake significantly (p=0.046) decreased for broiler chicks fed magnetized water compared with control. Feed efficiency was significantly (p=0.020) improved for broiler chicks fed magnetized water of each periods when compare to the control. Especially, in starter periods, the feed efficiency of magnetized water treatment increased by 10% more than control (1.80 vs 1.69). In feces, average ammonia concentration (ppm) significantly (p=0.004) decreased in the magnetized water treatment compare to control. Especially, the magnetized water treatment decreased by 2.2 times compared to the control in ammonia concentration of feces (83 vs 37ppm).
글루콘산아연, 프럭토올리고당 및 생균제의 급여가 부로일러의 육성성적에 미치는 영향
고용균,유선균,길용현,신종서,오진석 강원대학교 동물생명과학연구소(구 강원대학교 동물자원공동연구소) 2005 동물자원연구 Vol.16 No.-
This study was carried out to compare the effect of dietary zinc gluconate, fructooligosaccharide and probiotic on body weight gain, feed intake and feed efficiency of broiler chicks. A feeding trial was conducted with a total of 216 broiler chicks. Each treatment had 18 chicks with 3 replications. The supplementation levels of each treatment in the experimental diets were 0.20% for zinc gluconate, fructooligosaccharide and probiotic, respectively. The body gain of chicks fed feed additives significantly increased (p<.05) compare with that of control. Especially, the treatment with probiotic produced higher body gain than other treatments. Average feed intake of chicks was not significantly different among treatments (p<.05). Feed efficiency of chick fed feed additives significantly (p<.05) improved compare with control and the highest in the probiotic treatment. Therefore, the feed efficiency of chicks fed fructooligosaccharide, zinc gluconate and probiotic treatment were increased by 3.5%, 4.0% and 4.5%, respectively compare to that of the control. In conclusion, dietary feed additives tended to slightly improve the body gain and feed efficiency. Especially the treatment with probiotic produced higher body gain and feed efficiency among other treatments.