Hoy S, Lutter C
Institut für Tierhygiene und Offentliches Veterinärwesen, Universität Leipzig.
Tierarztl Prax. 1995 Aug;23(4):367-72.
Group housing of sows had a positive effect on parturition, but led to a decrease in litter size by 1.2 alive born piglets per litter and a reduce in mean birth weight of piglets by 70 g; it had no effect on the vitality of piglets. A high birth weight, a long lasting placento-fetal blood transfer and an air temperature of more than 20 degrees C are factors with significant influence on vitality of neonates.
母猪群养对分娩有积极影响，但导致每窝活产仔猪数减少1.2头，仔猪平均出生体重降低70克；对仔猪活力没有影响。高出生体重、胎盘-胎儿血液长时间传输以及气温超过20摄氏度是对新生儿活力有显著影响的因素。
