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ID:32472326
大小:2.45 MB
页数:60页
时间:2019-02-06
《添喂稀土对绵羊消化代谢的影响》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、新疆农业大学硕士学位论文添喂稀土对绵羊消化代谢的影响姓名:于静申请学位级别:硕士专业:生物化学与分子生物学指导教师:雒秋江20090601添喂稀土对绵羊消化代谢的影响摘要本试验选取4只平均体重55蚝的小尾寒羊母羊,安装永久性十二指肠和回肠瘘管,采用自身对照设计,精粗比l:1日粮条件下,在对照期和试验期分别添喂O或216.49mg·kg"1日粮(干物质计)的稀土,收集十二指肠和回肠食糜,并进行消化代谢试验,以研究稀土对绵羊消化代谢的影响。结果表明,给绵羊添喂稀土,绵羊的自由采食量从1197.O-J=211.0
2、g·dJ增加到1314.9士195.2(尸0.05)、685.3+96.7(尸>0.05)、140.54-33.7(氏O.01)和111.O-J=19.6(P3、AA)、赖氨酸(Lys)分别从526.44士74.17、460.22+67.15、129.45+23.26、54.20-J=3.86、37.474-12.89、52.03+2.63和2.89-J=0.21god"1增加到644.31+86.26(尸<0.01)、563.12士76.05(尸<0.01)、149.224-15.83(P4、消化吸收的DM、OM、CP、rI=姐和Lys从94.654-36.01、81.76+25.47、43.254-11.46、32.24+3.88和2.17-1-0.27god.1分别增加到182.06a:44.74(P5、51%、60.77+3.95%、58.86士5.95%和58.88+1.24%,在添喂稀土期分别为70.51+3.40%(尸0.05)、63.99+4.57%(氏0.05)和62.95+2.19%(氏0.05),消化量在对照期分别为812.59-J=173.87、777.52+158.09、78.95+13.27、124.084-34.30和99.58-4-19.35g·d~,在添喂稀土期分别为909.91+179.936、(氏O.01)、869.07+162.85(P<0.01)、88.82A=15.06(氏0.05)、141.91士32.71(P0.05)和5.02--L2.80(氏0.05)god~。由本研究可以得出结论,给绵羊添喂稀土可以提高采食量、提高前胃营养物质的消化量、增加小肠营养物质特别是氨基酸的消化吸收量、改善机体的营养状况。关键词:7、稀土;绵羊;消化;代谢;采食TheEffectofSupplementofRareEarthontheDigestionandMetabolisminSheepAbstractInthisexperiment,4ofSmallTailHartewes,withthebodyweightof55kg,werefittedwiththepermanentduodenumandileumcanula,andweresuppliedrareearthatthedoseof0(contr01)and216.49mg·8、k91(asDMbasis)rationintheconditionofthetypedietswhichcomstaffoccupied50%.Thecollectionofthechymeofduodenumandileumandtheexperimentofdigestionandmetabolismweredone,withtheexperimentaldesignofself-control,tostu
3、AA)、赖氨酸(Lys)分别从526.44士74.17、460.22+67.15、129.45+23.26、54.20-J=3.86、37.474-12.89、52.03+2.63和2.89-J=0.21god"1增加到644.31+86.26(尸<0.01)、563.12士76.05(尸<0.01)、149.224-15.83(P4、消化吸收的DM、OM、CP、rI=姐和Lys从94.654-36.01、81.76+25.47、43.254-11.46、32.24+3.88和2.17-1-0.27god.1分别增加到182.06a:44.74(P5、51%、60.77+3.95%、58.86士5.95%和58.88+1.24%,在添喂稀土期分别为70.51+3.40%(尸0.05)、63.99+4.57%(氏0.05)和62.95+2.19%(氏0.05),消化量在对照期分别为812.59-J=173.87、777.52+158.09、78.95+13.27、124.084-34.30和99.58-4-19.35g·d~,在添喂稀土期分别为909.91+179.936、(氏O.01)、869.07+162.85(P<0.01)、88.82A=15.06(氏0.05)、141.91士32.71(P0.05)和5.02--L2.80(氏0.05)god~。由本研究可以得出结论,给绵羊添喂稀土可以提高采食量、提高前胃营养物质的消化量、增加小肠营养物质特别是氨基酸的消化吸收量、改善机体的营养状况。关键词:7、稀土;绵羊;消化;代谢;采食TheEffectofSupplementofRareEarthontheDigestionandMetabolisminSheepAbstractInthisexperiment,4ofSmallTailHartewes,withthebodyweightof55kg,werefittedwiththepermanentduodenumandileumcanula,andweresuppliedrareearthatthedoseof0(contr01)and216.49mg·8、k91(asDMbasis)rationintheconditionofthetypedietswhichcomstaffoccupied50%.Thecollectionofthechymeofduodenumandileumandtheexperimentofdigestionandmetabolismweredone,withtheexperimentaldesignofself-control,tostu
4、消化吸收的DM、OM、CP、rI=姐和Lys从94.654-36.01、81.76+25.47、43.254-11.46、32.24+3.88和2.17-1-0.27god.1分别增加到182.06a:44.74(P5、51%、60.77+3.95%、58.86士5.95%和58.88+1.24%,在添喂稀土期分别为70.51+3.40%(尸0.05)、63.99+4.57%(氏0.05)和62.95+2.19%(氏0.05),消化量在对照期分别为812.59-J=173.87、777.52+158.09、78.95+13.27、124.084-34.30和99.58-4-19.35g·d~,在添喂稀土期分别为909.91+179.936、(氏O.01)、869.07+162.85(P<0.01)、88.82A=15.06(氏0.05)、141.91士32.71(P0.05)和5.02--L2.80(氏0.05)god~。由本研究可以得出结论,给绵羊添喂稀土可以提高采食量、提高前胃营养物质的消化量、增加小肠营养物质特别是氨基酸的消化吸收量、改善机体的营养状况。关键词:7、稀土;绵羊;消化;代谢;采食TheEffectofSupplementofRareEarthontheDigestionandMetabolisminSheepAbstractInthisexperiment,4ofSmallTailHartewes,withthebodyweightof55kg,werefittedwiththepermanentduodenumandileumcanula,andweresuppliedrareearthatthedoseof0(contr01)and216.49mg·8、k91(asDMbasis)rationintheconditionofthetypedietswhichcomstaffoccupied50%.Thecollectionofthechymeofduodenumandileumandtheexperimentofdigestionandmetabolismweredone,withtheexperimentaldesignofself-control,tostu
5、51%、60.77+3.95%、58.86士5.95%和58.88+1.24%,在添喂稀土期分别为70.51+3.40%(尸0.05)、63.99+4.57%(氏0.05)和62.95+2.19%(氏0.05),消化量在对照期分别为812.59-J=173.87、777.52+158.09、78.95+13.27、124.084-34.30和99.58-4-19.35g·d~,在添喂稀土期分别为909.91+179.93
6、(氏O.01)、869.07+162.85(P<0.01)、88.82A=15.06(氏0.05)、141.91士32.71(P0.05)和5.02--L2.80(氏0.05)god~。由本研究可以得出结论,给绵羊添喂稀土可以提高采食量、提高前胃营养物质的消化量、增加小肠营养物质特别是氨基酸的消化吸收量、改善机体的营养状况。关键词:
7、稀土;绵羊;消化;代谢;采食TheEffectofSupplementofRareEarthontheDigestionandMetabolisminSheepAbstractInthisexperiment,4ofSmallTailHartewes,withthebodyweightof55kg,werefittedwiththepermanentduodenumandileumcanula,andweresuppliedrareearthatthedoseof0(contr01)and216.49mg·
8、k91(asDMbasis)rationintheconditionofthetypedietswhichcomstaffoccupied50%.Thecollectionofthechymeofduodenumandileumandtheexperimentofdigestionandmetabolismweredone,withtheexperimentaldesignofself-control,tostu
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