Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep

NWIPB OpenIR

	Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep
	Wang, C. J. ; Wang, S. P. ; Zhou, H.
	2009-01-16
发表期刊	ANIMAL FEED SCIENCE AND TECHNOLOGY ; Wang, CJ; Wang, SP; Zhou, H.Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep,ANIMAL FEED SCIENCE AND TECHNOLOGY,2009,148(2-4):157-166
摘要	This study focused on the effects of three additives given together with a hay/concentrate-based diet on nutrient digestibility, rumen fermentation, and methane emission from sheep. The basal diet consisted of 1.29 Kg mixed hay and 0.43 kg concentrate mixture based on dry matter (DM). Treatments consisted of control (no additive), flavomycin(40) (250 mg/d), ropadiar from an oregano extract (250 mg/d), and saponin in the form of a yucca schidigera extract ( 170 mg/d). Results indicated that intake and digestibility were unaffected by treatments (P>0.05). The NH(3)-N concentration of rumen liquor was lower (P<0.05) for additive treatments versus the control treatment. Higher concentrations of volatile fatty acid (VFA) were observed in the saponin (75.8 mmol/L) and ropadiar (73.1 mmol/L) treatments. The proportion of individual fatty acid of rumen liquor was unchanged, whereas lower ratio of acetate to propionate in the saponin treatment was observed (P<0.05). The average methane production expressed on digested organic matter (OM) and neutral detergent fiber (aNDFom) basis were decreased by approximately 33 and 12.0 g/kg. respectively in saponin. and 4.2 and 11.9 g/kg in ropadiar treatment compared to the control. Methane production was positively correlated with the concentrations of NH(3)-N, and negatively correlated with total VFA and the proportion of propionate of rumen liquor (P<0.05). The study found that saponin and ropadiar could have the potential to reduce rumen methanogenesis in sheep. (C) 2008 Elsevier B.V. All rights reserved.; This study focused on the effects of three additives given together with a hay/concentrate-based diet on nutrient digestibility, rumen fermentation, and methane emission from sheep. The basal diet consisted of 1.29 Kg mixed hay and 0.43 kg concentrate mixture based on dry matter (DM). Treatments consisted of control (no additive), flavomycin(40) (250 mg/d), ropadiar from an oregano extract (250 mg/d), and saponin in the form of a yucca schidigera extract ( 170 mg/d). Results indicated that intake and digestibility were unaffected by treatments (P>0.05). The NH(3)-N concentration of rumen liquor was lower (P<0.05) for additive treatments versus the control treatment. Higher concentrations of volatile fatty acid (VFA) were observed in the saponin (75.8 mmol/L) and ropadiar (73.1 mmol/L) treatments. The proportion of individual fatty acid of rumen liquor was unchanged, whereas lower ratio of acetate to propionate in the saponin treatment was observed (P<0.05). The average methane production expressed on digested organic matter (OM) and neutral detergent fiber (aNDFom) basis were decreased by approximately 33 and 12.0 g/kg. respectively in saponin. and 4.2 and 11.9 g/kg in ropadiar treatment compared to the control. Methane production was positively correlated with the concentrations of NH(3)-N, and negatively correlated with total VFA and the proportion of propionate of rumen liquor (P<0.05). The study found that saponin and ropadiar could have the potential to reduce rumen methanogenesis in sheep. (C) 2008 Elsevier B.V. All rights reserved.
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/35917
专题	中国科学院西北高原生物研究所
推荐引用方式 GB/T 7714	Wang, C. J.,Wang, S. P.,Zhou, H.. Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep[J]. ANIMAL FEED SCIENCE AND TECHNOLOGY, Wang, CJ; Wang, SP; Zhou, H.Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep,ANIMAL FEED SCIENCE AND TECHNOLOGY,2009,148(2-4):157-166,2009.
APA	Wang, C. J.,Wang, S. P.,&Zhou, H..(2009).Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep.ANIMAL FEED SCIENCE AND TECHNOLOGY.
MLA	Wang, C. J.,et al."Influences of flavomycin, ropadiar, and saponin on nutrient digestibility, rumen fermentation, and methane emission from sheep".ANIMAL FEED SCIENCE AND TECHNOLOGY (2009).