Analyze Diet
The Veterinary clinics of North America. Equine practice2005; 18(2); 371-viii; doi: 10.1016/s0749-0739(02)00019-6

Endocrine alterations associated with ergopeptine alkaloid exposure during equine pregnancy.

Abstract: Ergopeptine alkaloid exposure is common in pregnant mares. Many mares live in geographic areas where Neotyphodium coenophialum-infected tall fescue is the dominant grass in pastures and hay. A variety of grasses and cereal grains can be infected by Claviceps purpurea, and fungal sclerotia can contaminate forage and especially ground and pelleted feed. An understanding of the endocrine alterations associated with ergopeptine alkaloid exposure during pregnancy is necessary for the diagnosis of potential exposure to these compounds and for eective prophylaxis and therapy.
Publication Date: 2005-01-08 PubMed ID: 15635913DOI: 10.1016/s0749-0739(02)00019-6Google Scholar: Lookup
The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
  • Journal Article
  • Review

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research investigates the effects of ergopeptine alkaloid exposure, often through contaminated forage, on the endocrine system of pregnant horses, providing insight into diagnosis, prophylaxis, and treatment options.

The Context of the Research

  • Ergopeptine alkaloids are a type of fungal toxin that can contaminate pastures, hay, and other forms of forage. They are common in areas where the grass Neotyphodium coenophialum is dominant and can also be found in several grasses and cereal grains infected by the fungus Claviceps purpurea.
  • The exposure to these alkaloids is particularly common in pregnant mares (female horses) due to their grazing habits and the geographical distribution of this grass.
  • The research aims to better understand the biological changes these toxins can induce in the endocrine system of the horses during pregnancy, which is crucial to inform accurate diagnosis, preventative measures, and effective treatments.

Importance of Understanding Endocrine Alterations

  • The endocrine system is made up of glands that produce and secrete hormones, regulating many biological processes in the body, including metabolism, growth and development, tissue function, and reproduction.
  • Exposure to harmful substances like ergopeptine alkaloids can disrupt this delicate system, resulting in hormonal imbalances that can have serious consequences, particularly in pregnant animals.
  • By studying the specific alterations caused by ergopeptine alkaloids, researchers hope to better understand the physiological mechanisms of their toxic effects, which are key to developing countermeasures.

Implications for Diagnosis, Prophylaxis, and Treatment

  • Equipped with the detailed knowledge of how these alkaloids affect the endocrine system of pregnant mares, veterinarians can more accurately diagnose potential exposure to these compounds.
  • Prophylaxis or preventative measures can also be better formulated by knowing which endocrine alterations to anticipate. This can include changing the grazing habits of the mares, supplementing their diet with uninfected feed, or administering medication that counteracts the effects of the alkaloids.
  • Similarly, knowing the endocrine alterations caused by the alkaloids can inform the development and administration of more effective treatments for exposed horses.

Cite This Article

APA
Evans TJ. (2005). Endocrine alterations associated with ergopeptine alkaloid exposure during equine pregnancy. Vet Clin North Am Equine Pract, 18(2), 371-viii. https://doi.org/10.1016/s0749-0739(02)00019-6

Publication

ISSN: 0749-0739
NlmUniqueID: 8511904
Country: United States
Language: English
Volume: 18
Issue: 2
Pages: 371-viii

Researcher Affiliations

Evans, Tim J
  • Veterinary Medical Diagnostic Laboratory, Department of Veterinary Pathobiology, College of Veterinary Medicine, University of Missouri at Columbia, Columbia, MO 65211, USA. evanst@missouri.edu

MeSH Terms

  • Animal Feed
  • Animals
  • Animals, Newborn / metabolism
  • Ergot Alkaloids / administration & dosage
  • Ergotism / metabolism
  • Ergotism / microbiology
  • Ergotism / veterinary
  • Female
  • Food Contamination
  • Horse Diseases / metabolism
  • Horse Diseases / microbiology
  • Horses
  • Poaceae / microbiology
  • Pregnancy
  • Pregnancy Complications, Infectious / metabolism
  • Pregnancy Complications, Infectious / microbiology
  • Pregnancy Complications, Infectious / veterinary

Citations

This article has been cited 3 times.
  1. 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
  2. Klotz JL, McDowell KJ. Tall fescue ergot alkaloids are vasoactive in equine vasculature.. J Anim Sci 2017 Nov;95(11):5151-5160.
    doi: 10.2527/jas2017.1852pubmed: 29293720google scholar: lookup
  3. Fayrer-Hosken R, Stanley A, Hill N, Heusner G, Christian M, De La Fuente R, Baumann C, Jones L. Effect of feeding fescue seed containing ergot alkaloid toxins on stallion spermatogenesis and sperm cells.. Reprod Domest Anim 2012 Dec;47(6):1017-26.