title: Relationships among mammary nucleic acids, milk yield, serum prolactin, and growth hormone in heifers from 3 months of age to lactation.
mesh_terms: D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000254:growth & development / Q000502:physiology*; D004971:Estrus; D005260:Female; D013006:Growth Hormone / Q000097:blood*; D007774:Lactation; D008321:Mammary Glands, Animal / Q000378:metabolism*; D009696:Nucleic Acids / Q000378:metabolism*; D049590:Postpartum Period; D011247:Pregnancy; D011388:Prolactin / Q000097:blood*
chemical_list: D009696:Nucleic Acids; D011388:Prolactin; D013006:Growth Hormone