研究简报 Short Communications

豆秸、花生秧和青贮玉米秸间的组合效应研究

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  • 青岛农业大学动物科技学院, 青岛 266109
袁翠林(1989-), 女, 内蒙古呼伦贝尔人, 硕士研究生, 从事反刍动物营养与饲料科学研究.E-mail:630679498@qq.com

收稿日期: 2014-09-05

  网络出版日期: 2015-02-09

基金资助

山东省现代农业产业技术体系羊产业创新团队(SDAIT-09-011-04)

Research of Associative Effects of Soybean Stalk, Peanut Vine and Corn Stalk Silage

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  • College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2014-09-05

  Online published: 2015-02-09

摘要

本试验旨在研究豆秸、花生秧和青贮玉米秸间的组合效应.试验将豆秸、花生秧和青贮玉米秸分别以0:100、20:80、40:60、60:40、80:20、100:0比例进行两两组合,利用体外瘤胃发酵技术,分析不同组合对产气量及产气参数、pH、氨态氮、菌体蛋白的影响,计算各组合的单项组合效应值和综合组合效应值,进而筛选各饲料组合的适宜比例.结果表明:豆秸-花生秧、豆秸-青贮玉米秸、花生秧-青贮玉米秸组合在产气参数上差异显著(P<0.05),豆秸-花生秧和豆秸-青贮玉米秸均以20:80时各产气参数最优,花生秧-青贮玉米秸以60:40时各产气参数为最优;各组合对体外瘤胃液pH影响差异不显著(P>0.05);不同组合的氨态氮浓度差异显著(P<0.05),在39~64 mg/dL变化;豆秸-花生秧和花生秧-青贮玉米秸的菌体蛋白浓度随花生秧比例增多而增多,豆秸-青贮玉米秸的菌体蛋白浓度在两者比例为20:80时最高.以多项组合效应评定指数评定各组合效应,豆秸与花生秧、青贮玉米秸均以20:80的比例较为适宜,花生秧与青贮玉米秸比例以60:40时较为适宜,综合组合效应指数均达到最大.

本文引用格式

袁翠林, 于子洋, 王文丹, 王利华, 林英庭 . 豆秸、花生秧和青贮玉米秸间的组合效应研究[J]. 动物营养学报, 2015 , 27(2) : 647 -654 . DOI: 10.3969/j.issn.1006-267x.2015.02.038

Abstract

This experiment was conducted to investigate the associative effects of soybean stalk (SS), peanut vine (PV) and corn stalk silage (CS). CS and SS, PV and SS, CS and PV were mixed in rations of 0:100, 20:80, 40:60, 60:40, 80:20 and 100:0 with 3 replicates, respectively. The associative effects of CS, SS and PV were assessed by the in vitro rumen fermentation technology to monitor gas production (GP), gas parameters, pH, ammonia nitrogen (NH3-N), microbial crude protein (MCP), single-factor associative effects index (SFAEI) and multiple-factors associative effects index (MFAEI). The results showed as follows: there were significant differences in gas production among different combinations (P<0.05), both SS-PV and SS-CS in ration of 20:80 had the maximum gas production, and PV-CS in ration of 60:40 had the maximum gas production. There were no significant differences in pH among different combinations (P>0.05). The NH3-N concentration of different combinations had significant difference (P<0.05), changed in the range of 39 to 64 mg/dL. The MCP concentration of SS-PV and PV-CS was increased with PV increased. The SS-CS ration of highest MCP concentration was 20:80. It is include from MFAEI that the combination of SS-PV, SS-CS and PV-CS in rations of 20:80, 60:40 are appropriate, respectively.

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