【摘要】 试验研究不同比例双低菜籽粕对青海地区蛋鸡产蛋高峰期生产性能的影响。结果表明,双低菜籽粕对产蛋率和蛋重无显著影响,BUN测定说明蛋鸡对8%添加量的氮转化率最好。更多还原

【Abstract】 This paper studies the effect of different proportion of double low rapeseed dregs on produc-tion performance of laying hens in Qinghai area. The results show that the double low rapeseed dregshas no significantly influence on laying rate and egg weight, BUN determination shows that nitrogenconversion rate are the best with the amount of 8%.更多还原