title: Polymorphism of whey 2 protein of sow's milk.
mesh_terms: D000818:Animals; D002364:Caseins / Q000032:analysis*; D004586:Electrophoresis; D005260:Female; D006579:Heterozygote; D006720:Homozygote; D007774:Lactation; D008892:Milk / Q000032:analysis*; D010641:Phenotype; D011110:Polymorphism, Genetic; D011247:Pregnancy; D013552:Swine / Q000502:physiology*
chemical_list: D002364:Caseins