人工草地绵羊系统优化研究Ⅳ人工草地划区轮牧罗姆尼怀孕母羊群体采食量研究  

Optimum study of sown pasture sheep systems Ⅳ Study of the effect of rotational grazing on pregnant Romney ewe intake

作　　者：马宁[1] 耿文诚[1] 

机构地区：[1]云南省种羊场,云南寻甸655204

出　　处：《草业科学》2000年第z1期43-45,共3页Pratacultural Science

基　　金："九五"国家重点科技攻关项目!(编号 960 16 0 2 0 1)

摘　　要：人工草地划区轮牧条件下 ,牧草生长旺季罗姆尼 (Romney)怀孕母羊羊群采食量与怀孕日龄间呈显著正相关 ,回归方程Y =0 .0 0 32X +0 .8537,r =0 .94 95;但霜冻到来后采食量与怀孕日龄间呈显著负相关 ,回归方程Y =- 0 .0 0 73X +1.784 1,r =- 0 .9851。Using rotational grazing during the growing season, intake of Romney ewe increases with pregnancy term, equation Y=0.0032X=0.8537, r =0.9495; but decreases with pregnancy term as temperatures decline, equation Y=-0.0073X+1.7841, r =-0.9851.

关 键 词：人工草地 划区轮牧 罗姆尼怀孕母羊 采食量 

分 类 号：S812.3[农业科学—草业科学] S826.42[农业科学—畜牧学]