However, for litter size and litter weight at the age of 20d, crossbred Duroc mated groups appeared superior to pure ones.
However, for litter size and litter weight at the age of 20d, crossbred Duroc mated groups appeared superior to pure ones.
但在20日龄窝仔数和窝重性状上，杂种公猪优于纯种公猪。