Table 1.

Summarized data on the production of ΔW38 chickens

Rooster no./PGC clone	Restoration of spermatogenesis after transplantation, wk	Hens inseminated*	Fertilized eggs*	Hatched chickens*
31/47	24	Not done	Not done	Not done
32/13	8	13/5	18/6	17/4

^*Intramagnal/intravaginal insemination.