【摘要】 运用数理统计方法,分析西吉县干草原区草地—绵羊系统的研究资料,提出了提高饲草转化效率和经济效益的经营方案,为调控畜群结构提供了决策依据。更多还原

【Abstract】 A pasture—sheep system of arid grassland in XiJi county was analysed by using mathematical statistics method. Manage plan of raising feed conversion rate and economic benefit, This papar is put out in and it provides basis for adjusting herd structure.更多还原