搜索结果: 1-3 共查到“养禽学 N-utilization”相关记录3条 . 查询时间(0.031 秒)
Eggshell quality and calcium utilization in feed of hens in repeated laying cycles
laying hens forced moulting repeated laying cycle eggshell quality calcium
2015/6/8
Hens of the laying hybrid Shaver Starcross 288 were used in two consequential experiments. The first experiment (for 10 months) was conducted on hens at the age from 18 to 60 weeks (1st cycle; n = 50)...
Effect of Lowering Dietary Protein with Constant Energy to Protein Ratio on Growth, Body Composition and Nutrient Utilization of Broiler Chicks
Broiler Chick Low Protein Diet Energy:Protein Ratio Growth Performance Nutrient Utilization Whole Body Composition
2016/4/28
A trial was conducted to determine the effect of low crude protein (CP) diets with constant metabolizable energy to crude protein (ME:CP) ratio on growth, body composition and nutrient utilization of ...
Research of the utilization of biotechnological agents for the reduction of ammonia and greenhouse gases emissions in livestock breeding in the Czech Republic
ammonia greenhouse gases BAT BREF biotechnological agents livestock breeding
2014/2/27
The reduction of ammonia and greenhouse gases emissions resulting from the livestock breeding is conditioned by the performance of many experiments for the reducing technologies verification. The util...