搜索结果: 1-2 共查到“养禽学 laying hen”相关记录2条 . 查询时间(0.088 秒)
Supplemental wheat bran and microbial phytase could replace inorganic phosphorus in laying hen diets
wheat bran phytase laying hens production performance nutrient utilization
2015/6/4
An experiment was conducted to determine effects of wheat bran (WB) phytase on production performance and nutrient utilization in laying hens. Three hundred and seventy-five Lohmann hens at 32 weeks o...
Effects of Reduced- Protein Diets at Constant Total Sulfur Amino Acids：Lysine Ratio on Pullet Development and Subsequent Laying Hen Performance
Laying hen lysine methionine protein pullet
2009/1/20
The effect of using a low protein regime in pullet development and subsequent layer performance was studied. The experiment consisted of two periods of rearing and laying. Two hundred and sixty Hy-lin...