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	Evaluation of Fermentation Dynamics and Structural Carbohydrate Degradation of Napiergrass Ensiled with Additives of Urea and Molasses
	Rong H. ; Yu C. Q. ; Li Z. H. ; Shimojo M. ; Shao T.
	2013
关键词	Fermentation dynamics Molasses Napiergrass Structural carbohydrate Urea chemical-composition tropical grasses silage additives formic-acid quality juice digestibility temperatures glucose storage
英文摘要	This study examined the effects of urea and molasses on fermentation dynamics and structural carbohydrate degradation of Napiergrass (Pennisetum purpureum Schumach), which was ensiled in laboratory silos for 3, 7, 14, and 30 days at the ambient temperature. The treatments were additions (fresh weight basis) of: no molasses or urea (control), no molasses and 0.4% urea (U), 4% molasses and 0% urea (M), 4% molasses and 0.4% urea (MU). The results showed that the control group produced an unstable fermentation. U silage always had smallest amount of lactic acid and highest levels of pH, acetic acid, butyric acid and ammonia nitrogen. Compared with control, both M and MU increased water soluble carbohydrate contents which promoted lactic acid fermentation domination, but MU did not restrain clostridial fermentation. After 30 days of ensiling, compared with the control, both M and MU lowered structural carbohydrate contents, and U lowered crude protein content but MU increased this parameter. It was concluded that the combination of 4% molasses with 0.4% urea could improve the fermentation and nutritive qualities of Napiergrass but was not sufficient to inhibit clostridial fermentation. (C) 2013 PVJ. All rights reserved
出处	Pakistan Veterinary Journal
卷	33
期	3
页	374-377
收录类别	SCI
语种	英语
ISSN号	0253-8318
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30294]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Rong H.,Yu C. Q.,Li Z. H.,et al. Evaluation of Fermentation Dynamics and Structural Carbohydrate Degradation of Napiergrass Ensiled with Additives of Urea and Molasses. 2013.

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