搜索结果: 1-1 共查到“畜牧学 allowance”相关记录1条 . 查询时间(0.031 秒)
The effects of space allowance on egg yield, egg quality and plumage condition of laying hens in battery cages
cage space allowance egg yield feather score plumage condition mortality egg quality
2015/6/5
This study was conducted to investigate the effects of cage stocking density on egg yield, some egg quality traits and plumage condition in laying hens. Eighteen weeks-old 264 ISA-Brown pullets were d...