pregnant sow 中文意思是什麼
pregnant sow
解釋
懷孕母豬-
A study by researchers at iowa state university found that placing pregnant sows in group housing structures ( hoop barns ) could be more cost - effective and just as productive as placing them in sow stalls
愛荷華州大學研究發現,把妊娠母豬大群飼養(鐵環圈起來的豬舍里)可以更有效利用豬舍,生產性能與把每隻母豬單獨放在豬欄里沒有區別。
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