茴香秸秆和茴香秕壳对绵羊营养价值的评定

草业学报 ›› 2012, Vol. 21 ›› Issue (5): 55-62.

茴香秸秆和茴香秕壳对绵羊营养价值的评定

刘婷^1,2,郑琛^1,2,李发弟^1,2*,马友记^1,2,袁玖^1,2,汪晓娟^1,2,郭江鹏^1,2,郝正里^1,2,李冲^1,2

1.甘肃农业大学动物科学技术学院, 甘肃兰州 730070;
2.甘肃省饲料工程技术研究中心, 甘肃兰州730070

收稿日期:2011-05-03 出版日期:2012-05-25 发布日期:2012-10-20
通讯作者: E-mail:lifd@gsau.edu.cn
作者简介:刘婷(1985-),女,陕西临潼人,在读硕士。E-mail:lting-822@qq.com
基金资助:
甘肃陇原中天生物工程股份有限公司研发项目(ZTSW-2009-002)和现代农业产业技术体系建设专项资金(CARS-39)资助。

Nutritional evaluation of fennel straw and shell on sheep

LIU Ting^1,2, ZHENG Chen^1,2, LI Fa-di^1,2, MA You-ji^1,2, YUAN Jiu^1,2, WANG Xiao-juan^1,2, GUO Jiang-peng^1,2, HAO Zheng-li^1,2, LI Chong^1,2

1.Faculty of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China;
2.Gansu Feed Engineering Technology Research Center, Lanzhou 730000, China

Received:2011-05-03 Online:2012-05-25 Published:2012-10-20

摘要/Abstract

摘要： 选择6只体重28 kg左右,安装永久瘤胃瘘管甘肃高山细毛羯羊, 采用3×3无重复拉丁方试验设计,通过消化代谢试验,对茴香秸秆和茴香秕壳对绵羊的营养价值进行了评定。结果表明,绵羊对茴香秸秆和茴香秕壳的干物质消化率、氮消化率、氮存留率、有机物消化率、中性洗涤纤维消化率、酸性洗涤纤维消化率、钙消化率、磷消化率和消化能分别为62.11%和61.63%,63.83%和65.63%,50.58%和47.72%,62.63%和62.50%,54.95%和53.02%,52.18%和49.50%,23.19%和20.35%,31.98%和35.03%,以及9.86和9.51 MJ/kg。绵羊对茴香秸秆和茴香秕壳的消化率较高。饲粮中添加茴香秸秆对绵羊瘤胃液pH、乙酸摩尔比、丙酸摩尔比、丁酸摩尔比、乙酸/丙酸以及瘤胃液中尿素氮和蛋白氮浓度均产生了显著的影响(P<0.05),对其他酸摩尔比、瘤胃液总挥发性脂肪酸(TVFA)、总氮和氨氮浓度无显著影响(P>0.05);饲粮中添加茴香秕壳对绵羊瘤胃液乙酸、丁酸和其他酸摩尔比产生了显著的影响(P<0.05),对pH、丙酸摩尔比、乙酸/丙酸、瘤胃液TVFA和氮浓度无显著影响(P>0.05)。

Abstract: Six Gansu alpine sheep with an average weight of 28 kg were fitted with permanent rumen fistulas to investigate the nutritional value of fennel (Foeniculum vulgare) straw and shell on sheep in a 3×3 Latin square design. The digestibility of dry matter, nitrogen, organic matter, neutral detergent fiber, acid detergent fiber, calcium, phosphorus of fennel straw and shell were 61.63% and 62.11%, 64.66% and 66.47%, 62.50% and 62.63%, 72.72% and 71.53%, 68.28% and 67.25%, 20.35% and 23.19%, 35.03% and 31.98%, respectively. The nitrogen retention rate and digestive energy were 49.53% and 52.09% (fennel), and 9.51 and 9.86 (shell) MJ/kg respectively. Sheep digestibility of fennel straw and of shell were higher than those of other roughages. When feeding fennel straw to sheep there were significant differences in the molar ratio of acetic acid, propionate, and butyrate, and of pH and the ratio of acetic acid to propionate in rumen fluid (P<0.05). There were no differences in total volatile fatty acids or in molar ratio of other acids and nitrogen in rumen fluid (P>0.05). When feeding fennel shell to sheep, there were significant differences in the molar ratios of acetic acid, butyrate and other acids in rumen fluid (P<0.05). There were no differences in pH, total volatile fatty acids, nitrogen content, the ratio of acetic acid to propionate and molar ratio of propionate in rumen fluid (P>0.05).

中图分类号:

S826.5

刘婷,郑琛,李发弟,马友记,袁玖,汪晓娟,郭江鹏,郝正里,李冲. 茴香秸秆和茴香秕壳对绵羊营养价值的评定[J]. 草业学报, 2012, 21(5): 55-62.

LIU Ting, ZHENG Chen, LI Fa-di, MA You-ji, YUAN Jiu, WANG Xiao-juan, GUO Jiang-peng, HAO Zheng-li, LI Chong. Nutritional evaluation of fennel straw and shell on sheep[J]. Acta Prataculturae Sinica, 2012, 21(5): 55-62.

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