farrowing crate

Sow activity were similar in the new type farrowing crate and the farrowing pen systems, but sow activity in the conventional farrowing crate were less than in the others.
新型分娩欄減少了對母豬身躰的限制，增加了活動空間和活動量，改善了福利狀況，增強了母豬的身躰素質，減少了肢蹄病和繁殖障礙的發生率。