Use of  in vitro  gas production to evaluate
associative effects on gas production of rice straw
supplemented with lucerne

College of Animal Sciences, Institute of Dairy Science, Ministry of Education Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China

Institute of Animal Science and Veterinary Medicine, Jiangxi Academy of Agricultural Science, Nanchang 330200, P.R. China

Publication date: 2007-09-17

Corresponding author

J. X. Liu

College of Animal Sciences, Institute of Dairy Science, Ministry of Education Key Laboratory of Molecular Animal Nutrition, Zhejiang University, Hangzhou 310029, P.R. China

J. Anim. Feed Sci. 2007;16(Suppl. 2):156-160

DOI: https://doi.org/10.22358/jafs/74475/2007

Article (PDF)

KEYWORDS

in vitro gas production

rice straw

lucerne hay

associative effects

ABSTRACT

A semi-automated in vitro gas production (GP) system was used to investigate the associative effects on GP of rice straw (RS) supplemented with 0, 20, 40, 60, 80 and 100% lucerne hay (LH). Rate of GP increased with increasing levels of LH (P<0.05). Potential GP values were also affected by LH levels in the substrates, but only some significant effects were observed (P<0.05). The associative effects were maximal at 24 h incubation and then declined with duration of incubation at all inclusion levels of LH. Supplementation with 40-60% of LH to RS could produce the optimal associative effects on GP.

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ISSN:

1230-1388

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