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The Veterinary clinics of North America. Equine practice2011; 27(1); 165-173; doi: 10.1016/j.cveq.2010.12.003

The endocrine disruptive effects of ergopeptine alkaloids on pregnant mares.

Abstract: During equine gestation, ergopeptine alkaloid exposure is not uncommon, and pregnant mares are particularly sensitive to the endocrine disruptive effects of these compounds on lactogenesis and steroidogenesis. Agalactia, prolonged gestation, abortion, dystocia, and placental and fetal abnormalities are all clinical manifestations of changes in the endocrine milieu induced by the ingestion of ergopeptine alkaloid-contaminated feedstuffs by mares during late gestation. An understanding of the endocrine disruptive effects of gestational exposure to ergopeptine alkaloids is necessary for the diagnosis of potential exposures to these compounds and for effective prophylaxis and therapy.
Publication Date: 2011-03-12 PubMed ID: 21392660DOI: 10.1016/j.cveq.2010.12.003Google Scholar: Lookup
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Summary

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This research investigates the effects of a chemical compound called ergopeptine alkaloids on pregnant horses, highlighting the potential disruption to the animals’ hormone system and the serious health risks this brings, such as potential threat to lactation, longer gestation periods, and abnormal fetal development.

Overview of Ergopeptine Alkaloids and their Effects on Equine Pregnancy

  • The research focuses on the exposure of pregnant mares to ergopeptine alkaloids, chemical compounds often found in contaminated feedstuffs. Exposure to these compounds can lead to significant changes in the hormonal environment of the equine body during pregnancy, causing disruptive effects particularly on lactogenesis (milk production) and steroidogenesis (steroid hormone production).
  • Prolonged gestation, agalactia (absence or failure of milk production), abortion, dystocia (difficult birth), and abnormalities in the placenta and fetus are all identified as clinical symptoms of this hormone disruption in mares.

Understanding the Effects of Ergopeptine Alkaloids

  • The study emphasizes the importance of understanding the endocrine disruptive effects of gestational exposure to ergopeptine alkaloids. This is vital not only to diagnose horses potentially exposed to these compounds, but also to develop and apply preventive measures and treatments.
  • Exposure to ergopeptine alkaloids is not uncommon in pregnant mares. As such, knowledge about the health risks, symptoms and treatments associated with this exposure can contribute to improving the welfare of these animals in farming and breeding contexts.

Implications and Next Steps

  • The study implies that preventing and controlling the exposure to ergopeptine alkaloids can reduce the risks and negative effects on pregnant mares and help ensure a healthy gestation period and offspring.
  • Future steps may include conducting more research about ergopeptine alkaloids and their impacts on various biological mechanisms in different animal species, to further elucidate potential threats and to improve prevention and treatment strategies.

Cite This Article

APA
Evans TJ. (2011). The endocrine disruptive effects of ergopeptine alkaloids on pregnant mares. Vet Clin North Am Equine Pract, 27(1), 165-173. https://doi.org/10.1016/j.cveq.2010.12.003

Publication

ISSN: 1558-4224
NlmUniqueID: 8511904
Country: United States
Language: English
Volume: 27
Issue: 1
Pages: 165-173

Researcher Affiliations

Evans, Tim J
  • Department of Veterinary Pathobiology, Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, 1600 East Rollins Street, Columbia, MO 65211, USA. evanst@missouri.edu

MeSH Terms

  • Animal Feed / adverse effects
  • Animal Feed / microbiology
  • Animals
  • Ergot Alkaloids / administration & dosage
  • Ergotism / veterinary
  • Female
  • Fetal Development / drug effects
  • Food Contamination
  • Horse Diseases / chemically induced
  • Horses
  • Poaceae / microbiology
  • Pregnancy
  • Pregnancy Complications, Infectious / chemically induced
  • Pregnancy Complications, Infectious / veterinary
  • Pregnancy Outcome / veterinary

Citations

This article has been cited 3 times.
  1. Hughes K. Development and Pathology of the Equine Mammary Gland. J Mammary Gland Biol Neoplasia 2021 Jun;26(2):121-134.
    doi: 10.1007/s10911-020-09471-2pubmed: 33280071google scholar: lookup
  2. Cowan VE, Neumann A, McKinnon J, Blakley BR, Grusie TJ, Singh J. Arterial Responses to Acute Low-Level Ergot Exposure in Hereford Cows. Front Vet Sci 2018;5:240.
    doi: 10.3389/fvets.2018.00240pubmed: 30386784google scholar: lookup
  3. Canty MJ, Fogarty U, Sheridan MK, Ensley SM, Schrunk DE, More SJ. Ergot alkaloid intoxication in perennial ryegrass (Lolium perenne): an emerging animal health concern in Ireland?. Ir Vet J 2014;67(1):21.
    doi: 10.1186/2046-0481-67-21pubmed: 25295161google scholar: lookup