搜索结果: 1-2 共查到“Calcium requirement”相关记录2条 . 查询时间(0.046 秒)
It must be a source of some surprise to rational scientists that
the human requirement for calcium, an apparently inoffensive
nutrient that contributes so much to our physical stability,
arouses st...
Effect of housing system on the calcium requirement of laying hens and on eggshell quality
enriched cage unenriched cage floor system eggshell production Ca requirement
2015/6/5
The effects of housing systems on the calcium requirement for eggshell production, eggshell quality and on the breaking strength of the hen’s tibia were evaluated. Unenriched cages (UN) (24 laying hen...