Cronin G M, Wiepkema P R, van Ree J M
Experientia. 1986 Feb 15;42(2):198-9. doi: 10.1007/BF01952467.
The study presents evidence that the stereotypies of tethered sows are associated with the release of endorphins. This is the first indication that stereotypies may be an effective coping strategy.
该研究提供了证据表明,限位饲养母猪的刻板行为与内啡肽的释放有关。这是刻板行为可能是一种有效应对策略的首个迹象。