title: Use of transgenic animals in livestock improvement.
authors.affiliation: USDA, Reproduction Laboratory, Beltsville, Maryland.
authors.forename: R J
authors.initials: RJ
authors.lastname: Wall
mesh_terms: D000818:Animals; D030801:Animals, Genetically Modified / Q000235:genetics*; D003001:Cloning, Molecular; D013006:Growth Hormone / Q000502:physiology; D066298:In Vitro Techniques; D012756:Sheep; D013002:Somatomedins / Q000502:physiology; D013552:Swine
chemical_list: D013002:Somatomedins; D013006:Growth Hormone