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Effects of Different Microbes and Their Combinations on Rumen Degradation Rate of Corn Stalk

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  • Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2014-02-21

  Online published: 2014-08-13

Abstract

This experiment was aimed to study the effects of corn stalks treated with seven different microbes and their combinations. Corn stalks were fermented with 1 strain (Phanerochaete chrysosporium and Penicillium sp.), 2 strains (Phanerochaete chrysosporium+ Aspergillus niger and Phanerochaete chrysosporium+ Trichoderma viride), 3 strains (Phanerochaete chrysosporium+Aspergillus niger+Penicillium sp. and Phanerochaete chrysosporium+Aspergillus niger+Trichoderma viride) or 4 strains (Phanerochaete chrysosporium+Aspergillus niger+Trichoderma viride+Penicillium sp.) of microorganisms (seven combinations in total), and six Dorper×Thin-tailed crossbred castrated sheep F1 were used. In situ method was applied to measure the dynamic rumen degradation rate of dry matter, organic matter, neutral detergent fiber, acid detergent fiber, acid detergent lignin, cellulose and hemicellulose at 0, 6, 12, 24, 48 and 72 h. The results showed that microbes improved the effective degradation rate of neutral detergent fiber, acid detergent fiber, acid detergent lignin, cellulose, hemicellulose, and crude protein of corn stalks (P<0.05). The effects of different microbes and their combinations were inconsistent. The combination of Phaerochaete chrysosporium+Trichoderma viride is superior to other strains or combinations. The utilization efficiency of corn stalks can be improved by using certain combination of microbes.

Cite this article

ZHANG Lixia, TU Yan, LI Yanling, WANG Hongmei, DIAO Qiyu . Effects of Different Microbes and Their Combinations on Rumen Degradation Rate of Corn Stalk[J]. Chinese Journal of Animal Nutrition, 2014 , 26(8) : 2433 -2444 . DOI: 10.3969/j.issn.1006-267x.2014.08.051

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