Crighton, D B The lactational anoestrus of the sow: the status of the anterior pituitary-ovarian system during lactation and after weaning. [electronic resource] - The Journal of endocrinology Apr 1969 - 507-19 p. digital Publication Type: Journal Article ISSN: 0022-0795 Standard No.: 10.1677/joe.0.0430507 doi Subjects--Topical Terms: AnimalsCastrationEstrogens--metabolismEstrusFemaleFollicle Stimulating Hormone--analysisLactationLuteinizing Hormone--analysisOrgan SizeOvary--metabolismPituitary Gland--metabolismPregnancySwineUterus--growth & developmentWeaning