title: Intensive nursing and lactational performance during extended lactation.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000032:analysis; D000818:Animals; D000831:Animals, Newborn; D001835:Body Weight; D004247:DNA / Q000378:metabolism*; D005260:Female; D007774:Lactation; D008321:Mammary Glands, Animal / Q000378:metabolism*; D009929:Organ Size; D010902:Pituitary Gland / Q000032:analysis; D011247:Pregnancy; D011388:Prolactin / Q000032:analysis; D012313:RNA / Q000032:analysis / Q000378:metabolism*; D051381:Rats
chemical_list: D012313:RNA; D000324:Adrenocorticotropic Hormone; D011388:Prolactin; D004247:DNA