搜索结果: 1-1 共查到“畜牧学 air quality”相关记录1条 . 查询时间(0.109 秒)
The influence of housing systems on the air quality and bacterial eggshell contamination of table eggs
conventional cage system aviary air hygiene eggshell microorganisms
2015/6/8
This paper compares two different housing systems for laying hens producing table eggs, namely a conventional cage system and an aviary, during three summer months, starting from the 20th week of the ...