2.3. Breeding
Three male CryoXeno pigs between 1.3 and 2.0 years of
age were mated with three conventional gilts
(Landrace Large White crossbreed) purchased commercially
(CIMCO Co. Ltd., Tokyo, Japan). The three female
CryoXeno pigs were inseminated artificially with fresh
Duroc semen purchased commercially (CIMCO) between
1.3 and 1.6 years of age. The number and body weights of
the piglets delivered were recorded.