Some breeders will move a litter from room to room on progressive weeks, to change the scene and familiarize the pups with such varied sounds as those of the dishwasher, television, and washer-dryer.

• 有些繁殖者会在几个星期里给幼犬频繁地换房间，转移场地，让他们熟悉不同的声音，比如洗碗机、电视、洗衣机的声音。