|本期目录/Table of Contents|

[1]拜彬强,郝力壮,刘书杰,等.青蒿提取物对藏羊瘤胃体外产气发酵特性及甲烷产量的影响[J].江苏农业科学,2015,43(12):227-231.
 Bai Binqiang,et al.Effects of extracts from Artemisia annua L. on fermentation characteristics and methane production of Tibetan sheep rumen gas production in vitro[J].Jiangsu Agricultural Sciences,2015,43(12):227-231.
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青蒿提取物对藏羊瘤胃体外产气发酵特性
及甲烷产量的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年第12期
页码:
227-231
栏目:
畜牧兽医
出版日期:
2015-12-25

文章信息/Info

Title:
Effects of extracts from Artemisia annua L. on fermentation characteristics and methane production of Tibetan sheep rumen gas production in vitro
作者:
拜彬强123 郝力壮1234 刘书杰1234 吴克选1234 柴沙驼1234 牛建章1234
1.青海省高原放牧家畜营养与生态国家重点实验室培育基地/青海省高原放牧家畜动物营养与饲料科学重点实验室,青海西宁 810016;
2.青海高原牦牛研究中心,青海西宁 810016;3.青海大学畜牧兽医科学院,青海西宁 810016;4.青海省畜牧兽医科学院,青海西宁 810016
Author(s):
Bai Binqianget al
关键词:
天然牧草青蒿提取物体外产气甲烷
Keywords:
-
分类号:
S826.8+3
DOI:
-
文献标志码:
A
摘要:
采用体外发酵产气技术,研究全年4期天然混合牧草中添加不同水平青蒿提取物时的体外发酵产气特性及产甲烷情况。结果表明,添加青蒿提取物对体外发酵理论最大产量有一定影响,但对青草期和枯黄期的影响不显著,枯草期1%、2%添加组均显著高于对照组(P<0.05),返青期0.25%、0.5%添加组均显著低于对照组(P<0.05),1%添加组极显著高于对照组(P<0.01);产气速率也呈现出先降低后升高的规律,枯草期和青草期0.25%、0.5%添加组产气速率均显著低于其他添加组(P<0.05),返青期0.25%、0.5%、1%添加组均显著低于其他添加组(P<0.05),枯黄期0.5%、1%添加组均显著低于其他组(P<0.05);除青草期2%添加组pH值显著升高外(P<0.05),其余各组差异均不显著(P>0.05);除返青期外,其余各期氨态氮(NH3-N)浓度均随青蒿提取物添加水平上升,0.5%添加组最高,显著高于对照组NH3-N浓度(P<0.05);甲烷产量随青蒿提取物添加呈现先降低后升高的趋势,各期0.5%添加组甲烷产量最低,极显著低于对照组(P<0.01)。说明青蒿提取物可在不影响瘤胃正常发酵的情况下,抑制甲烷产量,全年4期各适宜添加水平均为0.5%。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2014-10-14
基金项目:国家自然科学基金(编号:31060315);国家“973”计划(编号:2012CB722906);青海大学中青年科研基金(2011-QNY-8);青海省重大科技平台建设项目(2011-Z-Y12A、2012-Z-Y08、2013-Z-Y03)
作者简介:拜彬强(1989—),男,陕西咸阳人,硕士研究生,从事牦牛肉品质调控研究。
通信作者:郝力壮,博士,副研究员。E-mail:lizhuanghao1122@foxmail.com。
更新日期/Last Update: 2015-12-25