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为改放牧变舍饲,合理利用牧草,发展畜牧业,解决林牧矛盾,我们进行了绵羊圈养与放牧对比试验研究。一、材料与方法试验地点在中阳县苏村乡禅房村。羊只品种为当地粗毛绵羊(大尾羊),均去势,年龄为6～7月龄,总数30只。每6只分为一组,共分五组。全部羊只健康无病,每组的体重接近一致。五组分别为:甲、苜蓿组;乙、草木栖组;丙、沙打旺组;丁、杂草组;戍、放牧组。前四组为圈养,每天喂草多次,投放前称草重,饲喂完毕称残草重,求出各组每天采食量并记录。一日饮水两次,中午、下午各一次,饮水保持清洁。每5～10天喂食盐一次,
In order to change the grazing shepherd, rational use of forage, the development of animal husbandry, to solve the contradictions between forest and animal husbandry, we conducted a comparative study of sheep captivity and grazing. First, materials and methods The test site in the sun village of Zhongyang County, Sangfang village. Sheep breeds for the local shag sheep (big tailed sheep), are castration, aged 6 to 7 months, a total of 30. Each 6 is divided into a group, divided into five groups. All sheep healthy and disease-free, each group’s body weight close to the same. Five groups were: A, alfalfa group; B, herbivorous group; C, sand group; Ding, weeds group; Shu, grazing group. The first four groups for captive, feed grass many times a day, put before weighed, weighed, weighed, weighed each group daily feed intake and record. Drinking water twice a day, noon, afternoon, drinking water to keep clean. Every 5 to 10 days to feed salt once,