The paper summarized the research for the effects of different grazing intensity on grazing behaviour, grazing grass species and productivity of sheep in recent years, the result showed that: ①There was a negative correlation between the live weight gain
The paper summarized the research for the effects of different grazing intensity on grazing behaviour, grazing grass species and productivity of sheep in recent years, the result showed that: ①There was a negative correlation between the live weight gain
摘要根据近几十年来放牧强度对绵羊放牧行为、采食植物组成和生产性能的影响进行了综述,得出以下结论:①绵羊的个体增重与放牧率之间呈线性负相关,而公顷增重与放牧率之间呈正相关;②绵羊的采食量随著放牧强度的加重而降低;③放牧强度对母羊繁殖性能各指标影响差异不显著;④随著放牧强度的加重,绵羊的采食时间增加,游走、反刍卧息时间减少;每百口采食量和日采食量减少,而采食速度增加;⑤放牧绵羊的嗜食性是相对的;⑥轻牧有利于提高肉的品质,但是产肉量低,总的经济效益不高。