Peripartal endocrinology in the mare and foetus

Reproduction in Domestic Animals = Zuchthygiene
J C Ousey

Abstract

The endocrine profiles in the periparturient mares are dominated by increasing concentrations of progestagens and decreasing oestrogens. These hormones are produced by precursors from the foetus, metabolized by the placenta and act primarily on the maternal uterus. The circulating concentrations of hormones in maternal plasma, generally, represent a small proportion of those metabolized by the foetus and utero-placental tissues. There is clear evidence that the foetal hypothalamo-pituitary-adrenal (HPA) axis initiates the process of foetal maturation and the hormonal cascade which culminates in parturition at term. The endocrine changes associated with abnormal pregnancy and abortion in late pregnancy are less well understood, as are the hormonal treatments needed to avert these problems. Further work is needed to establish the biological role of the various hormones present in pregnant mares and, in particular, those hormones which control myometrial quiescence.

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Citations

Mar 24, 2012·Animal : an International Journal of Animal Bioscience·R SaleriP Superchi
Jan 1, 2008·Irish Veterinary Journal·C CumminsV Duggan
May 31, 2014·The Physician and Sportsmedicine·Sebastien BorreaniVíctor Tella
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Jul 16, 2010·Reproduction in Domestic Animals = Zuchthygiene·M M LeBlanc
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Oct 26, 2013·Theriogenology·Angelica CrisciFrancesco Camillo
May 19, 2012·Equine Veterinary Journal. Supplement·N B HoldstockA L Fowden
May 19, 2012·Equine Veterinary Journal. Supplement·A L FowdenJ C Ousey
May 16, 2019·American Journal of Reproductive Immunology : AJRI·Carleigh Elizabeth FedorkaAmanda A Adams
Nov 14, 2019·Equine Veterinary Journal·A L FowdenA J Forhead

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