The Polish investigation conducted by Korwin-Kossakowska et al. (2005) for Landrace, Large White and synthetic Line 990 sows reported that, frequency of the A and B alleles of polymorphism of EGF gene was 0.30 and 0.70, respectively
ThePolish investigation conducted by Korwin-Kossakowskaet al. (2005) for Landrace, Large White and synthetic Line990 sows reported that, frequency of the A and B alleles ofpolymorphism of EGF gene was 0.30 and 0.70, respectively