枯黄期骆驼刺与稻草混贮对青贮饲料品质的影响

草业学报 ›› 2011, Vol. 20 ›› Issue (2): 109-116.

枯黄期骆驼刺与稻草混贮对青贮饲料品质的影响

蒋慧^1,2,张玲^1,2,马金萍^1,2,晋玉霞³, 万英³, 马春晖^1,2*

1.塔里木大学动物科学学院,新疆阿拉尔 843300;
2.塔里木畜牧科技兵团重点实验室,新疆阿拉尔 843300;
3.塔里木生物资源保护与利用兵团重点实验室,新疆阿拉尔 843300

收稿日期:2010-02-12 出版日期:2011-02-25 发布日期:2011-04-20
通讯作者: E-mail:chunhuima@126.com
作者简介:蒋慧(1969-),女,四川南充人,副教授,硕士。E-mail:jianghui308@126.com
基金资助:
国家自然基金“骆驼刺刺糖组成及其改善青贮品质机理研究”(30960256),公益性行业科研专项“多样化草产品生产加工利用研究”(nyhyzx07-022), 国家科技支撑项目“优质草产品生产加工与高效利用关键技术研究”子课题(2006BAD16B03-10)和畜牧科技兵团重点实验室课题“疏叶骆驼刺青贮调制技术研究”(HS20802)资助。

The effect of withered Alhagi sparsifolia and rice straw mix-ensiling on silage quality

JIANG Hui^1,2, ZHANG Ling^1,2, MA Jing-ping^1,2, JING Yu-xia³, WAN Ying³, MA Chun-hui^1,2

1.College of Animal Science, Tarim University, Alar 832003, China;
2.Key Laboratory for Animal Husbandry Science and Technlogy in Tarim, Xinjiang Production & Construction Corps, Alar 843300, China;
3.Key Laboratory for Protection and Utilization of Biological Resources in Tarim, Xinjiang Production & Construction Corps, Alar 843300, China

Received:2010-02-12 Online:2011-02-25 Published:2011-04-20

摘要/Abstract

摘要： 采用枯黄期骆驼刺、稻草及其二者不同比例混合料为青贮原料,通过鉴定感官指标,分析青贮料的pH值、CP、NDF、ADF、乙酸、丙酸、丁酸、乳酸及总酸的变化,研究骆驼刺与稻草不同比例混贮对青贮品质的影响。结果表明,骆驼刺虽然是豆科牧草,却容易成功青贮,青贮发酵以乳酸发酵为主(乳酸/总酸大于50%);骆驼刺与稻草混贮,能显著提高稻草青贮原料的可溶性碳水化合物含量(P＜0.05),降低pH值和NH₃-N/TN的百分比(P＜0.01),提高混贮料中乳酸,丙酸(P＜0.01)和总酸(P＜0.05)含量,骆驼刺占混贮料的40%以上时就能显著降低青贮料中丁酸(P＜0.05)的含量,改善稻草的青贮品质。

Abstract: The effects of withered Alhagi sparsifolia and rice straw mix-ensiling on silage quality were studied. Silages of withered A. sparsifolia, rice straw and their mixture were sensorially evaluated and silage samples analyzed for pH, crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), acetic acid (AA), propionic acid (PA), butyric acid (BA), lactic acid (LA) and total acid (TA). A. sparsifolia was ensiled successfully, although it was leguminous herbage, and homolactic fermentation was dominant. After A. sparsifolia and rice straw mix-ensiling, water soluble carbohydrates (WSC) in the ensilaged raw material were increased (P＜0.05). Ammonia nitrogen/total nitrogen and pH were significantly reduced (P＜0.01), while lactic acid (LA), propionic acid (PA) (P＜0.01) and total acid (TA) content (P＜0.05) increased. Butyric acid (BA) (P＜0.05) was reduced when the A. sparsifolia content of the mixture exceeded 40%, and silage quality was improved.

中图分类号:

S816.33

蒋慧,张玲,马金萍,晋玉霞, 万英, 马春晖. 枯黄期骆驼刺与稻草混贮对青贮饲料品质的影响[J]. 草业学报, 2011, 20(2): 109-116.

JIANG Hui, ZHANG Ling, MA Jing-ping, JING Yu-xia, WAN Ying, MA Chun-hui. The effect of withered Alhagi sparsifolia and rice straw mix-ensiling on silage quality[J]. Acta Prataculturae Sinica, 2011, 20(2): 109-116.

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