title: Occurrence of   sl - and  -casein types in five breeds of beef cattle.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002364:Caseins / Q000032:analysis*; D002417:Cattle; D008892:Milk / Q000032:analysis*; D011110:Polymorphism, Genetic; D013045:Species Specificity
chemical_list: D000596:Amino Acids; D002364:Caseins