The seven dogs were born in July after the spermed eggs of beagle， Labrador and cocker spaniel dogs were fertilized in vitro and transferd to a host mother.

科学家将猎兔犬，拉布拉多猎犬和可卡犬的受精卵放入试管中，随后移植入代孕母狗子宫内。7月份，7只小狗降生。