西北农业学报
西北農業學報
서북농업학보
ACTA AGRICULTURAE BOREALI-OCCIDENTALIS SINICA
2009年
5期
75-79,104
,共6页
曹社会%张中岳%曹仲华%多吉顿珠%舒曦%路阳
曹社會%張中嶽%曹仲華%多吉頓珠%舒晞%路暘
조사회%장중악%조중화%다길돈주%서희%로양
尼龙袋法%降解率参数%营养价值
尼龍袋法%降解率參數%營養價值
니룡대법%강해솔삼수%영양개치
选用6只装有永久瘤胃瘘管的‘澎波'西藏半细毛羊,用尼龙袋法评定了7种西藏天然牧草的瘤胃降解特性.结果表明,7种牧草干物质在k=0.02时有效降解率排序为:矮兔耳草(61.22%)＞藏北苔草(52.43%)>小嵩草(48%)＞早熟禾(43.83%)＞丝颖针茅(38.81%)＞大嵩草(36.64%)＞厥麻委陵菜(36.57%);中性洗涤纤维有效降解率排序为:矮兔耳草(50.34%)＞藏北苔草(48.66%)＞早熟禾(47.23%)>小嵩草(46.92%)＞丝颖针茅(41.45%)＞大嵩草(37.75%)＞厥麻委陵菜(37.39%);蛋白质的有效降解率排序为:藏北苔草(45.39%)＞小嵩草(43.04%)＞矮兔耳草(42.37%)＞早熟禾(41.47%)＞丝颖针茅(39.27%)＞大嵩草(35.48%)＞厥麻委陵菜(30.69%).
選用6隻裝有永久瘤胃瘺管的‘澎波'西藏半細毛羊,用尼龍袋法評定瞭7種西藏天然牧草的瘤胃降解特性.結果錶明,7種牧草榦物質在k=0.02時有效降解率排序為:矮兔耳草(61.22%)＞藏北苔草(52.43%)>小嵩草(48%)＞早熟禾(43.83%)＞絲穎針茅(38.81%)＞大嵩草(36.64%)＞厥痳委陵菜(36.57%);中性洗滌纖維有效降解率排序為:矮兔耳草(50.34%)＞藏北苔草(48.66%)＞早熟禾(47.23%)>小嵩草(46.92%)＞絲穎針茅(41.45%)＞大嵩草(37.75%)＞厥痳委陵菜(37.39%);蛋白質的有效降解率排序為:藏北苔草(45.39%)＞小嵩草(43.04%)＞矮兔耳草(42.37%)＞早熟禾(41.47%)＞絲穎針茅(39.27%)＞大嵩草(35.48%)＞厥痳委陵菜(30.69%).
선용6지장유영구류위루관적‘팽파'서장반세모양,용니룡대법평정료7충서장천연목초적류위강해특성.결과표명,7충목초간물질재k=0.02시유효강해솔배서위:왜토이초(61.22%)＞장북태초(52.43%)>소숭초(48%)＞조숙화(43.83%)＞사영침모(38.81%)＞대숭초(36.64%)＞궐마위릉채(36.57%);중성세조섬유유효강해솔배서위:왜토이초(50.34%)＞장북태초(48.66%)＞조숙화(47.23%)>소숭초(46.92%)＞사영침모(41.45%)＞대숭초(37.75%)＞궐마위릉채(37.39%);단백질적유효강해솔배서위:장북태초(45.39%)＞소숭초(43.04%)＞왜토이초(42.37%)＞조숙화(41.47%)＞사영침모(39.27%)＞대숭초(35.48%)＞궐마위릉채(30.69%).
