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The frequency of infertility in thoroughbred mares.

Abstract: In a group of 852 Thoroughbred mares, 69-7% had foals which survived beyond 6 weeks, 7-1% had dead, premature or full-term foals and 1-1% had foals which died within 6 weeks after birth. Possible factors which may have influenced these data are mentioned.
Publication Date: 1975-10-01 PubMed ID: 1060795
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  • Journal Article

Summary

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The research investigates the frequency of infertility in thoroughbred mares, illustrating that around 70% had foals surviving beyond 6 weeks, and factors that could influence these numbers were considered.

Research Study Overview

  • The mentioned research article targets the issue of infertility in thoroughbred mares, a significant problem for the equine industry with economic and animal welfare implications.
  • The study took into account the pregnancy outcomes for a group of 852 Thoroughbred mares. It presents the survival rates of foals beyond a period of 6 weeks from their birth.

Key Findings

  • In this population of thoroughbred mares, 69.7% had foals that managed to survive more than 6 weeks post-birth. This seems to suggest a majority degree of fertility success among the mares surveyed.
  • The study indicated a 7.1% occurrence of mares birthing dead, premature, or full-term foals. These instances indicate the prevalence of unsuccessful pregnancies, possibly due to complications during gestation or at birth.
  • There was a 1.1% incidence of mares having foals that survived birth, but died within 6 weeks. This suggests potential postnatal complications or deficiencies in care and nutrition impacting foal survival.

Considerations on influencing factors

  • The research also mentions unspecified factors that could have influenced the gathered data. These influencing elements could relate to the health of the mare, quality of care, environmental conditions, genetic factors, and others – however, specific influencing factors are not enumerated in this abstract.

Implications of the Research

  • This research provides substantial insights into the issue of thoroughbred mare infertility. The data gives breeders, veterinarians, and researchers foundational information that can be used to further investigate causes of equine infertility, preventative measures, and potential treatments.
  • Moreover, understanding the success rate and potential complications in thoroughbred births assists in enhancing horse welfare, breeding strategies, and overall industry practices.

Cite This Article

APA
Laing JA, Leech FB. (1975). The frequency of infertility in thoroughbred mares. J Reprod Fertil Suppl(23), 307-310.

Publication

ISSN: 0449-3087
NlmUniqueID: 0225652
Country: England
Language: English
Issue: 23
Pages: 307-310

Researcher Affiliations

Laing, J A
    Leech, F B

      MeSH Terms

      • Age Factors
      • Animals
      • Death, Sudden
      • Female
      • Fetal Death / veterinary
      • Gestational Age
      • Horse Diseases / epidemiology
      • Horses
      • Infertility, Female / epidemiology
      • Infertility, Female / veterinary
      • Pregnancy
      • Sex Factors

      Citations

      This article has been cited 2 times.
      1. Macleay CM, Carrick J, Shearer P, Begg A, Stewart M, Heller J, Chicken C, Brookes VJ. A Scoping Review of the Global Distribution of Causes and Syndromes Associated with Mid- to Late-Term Pregnancy Loss in Horses between 1960 and 2020. Vet Sci 2022 Apr 13;9(4).
        doi: 10.3390/vetsci9040186pubmed: 35448683google scholar: lookup
      2. Katila T, Reilas T, Nivola K, Peltonen T, Virtala AM. A 15-year survey of reproductive efficiency of Standardbred and Finnhorse trotters in Finland--descriptive results. Acta Vet Scand 2010 Jun 14;52(1):40.
        doi: 10.1186/1751-0147-52-40pubmed: 20546559google scholar: lookup