摘要
通过对藏东南河谷型绵羊放牧行为的观察发现 ,全天放牧时间 450 min,其中游走 6 8min,占 1 5.2 2 % ;采食 3 2 8min,占 75.1 % ,休息 3 6 min,占 8.3 5%。对藏东南河谷绵羊舍饲行为观察结果表明 ,昼夜 2 4 h中 ,采食 2 93 .8min,占 2 0 .4% ;反刍 3 98.0 min,占 2 7.6 % ;站立 2 90 .9min,占 2 0 .2 % ,卧息 453 .6 min,占 3 1 .5% ,饮水 4.3 min,占 0 .3 %。在放牧条件下 ,用计数法估测得绵羊的采食量为 2 .79kg,在舍饲条件下 ,日采食量为 5.4kg,折算成风干物质分别为 0 .47和 0 .92 kg,风干物质分别占活重的 1 .74%和 3 .41 %。
It was by abservation found that the southeast Tibet sheep of river valley type grazed for 450 min in a full day, of which, walking for 68 min. accounted 15.22%; feed intaking 328 min, 75%; resting 36 min, 8.35% in grazing condition, and feed inteking 293.8, 20.4%; raminating 398.8, 27.6%; standing 290.9, 20.2%; sleeping 453.6, 31.5%; drinking 4.3, 0.3% in house feeding. The estimated feed intake by numbering was 2.79 kg and 5.4 kg for grazing and house feeding respectively, the air dry matter is 0.47 kg and 0.92 kg, and amount to 1.74% and 3.41% of the liveweight.\;
出处
《家畜生态》
2001年第3期39-41,47,共4页
Ecology of Domestic Animal
