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New Zealand veterinary journal1981; 29(9); 151-154; doi: 10.1080/00480169.1981.34829

Equine laryngeal hemiplegia, Part I: Physical characteristics of affected animals.

Abstract: Various physical characteristics of horses affected with laryngeal hemiplegia were studied. Appropriate comparisons were made with the populations from which the affected animals were obtained. Statistical evidence is presented which supports the widely held clinical impression that heavy, young, male animals are most susceptible to the disease.
Publication Date: 1981-09-01 PubMed ID: 6951121DOI: 10.1080/00480169.1981.34829Google Scholar: Lookup
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  • Journal Article

Summary

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This research work investigates the physical features of horses suffering from laryngeal hemiplegia, with an emphasis on demonstrating that particularly young, male, heavy horses are more susceptible to the ailment.

Understanding Equine Laryngeal Hemiplegia

  • Laryngeal hemiplegia is a condition affecting horses, which causes difficulty in breathing due to a paralysis on one side (sometimes both sides) of the larynx or voice box.
  • The incapacitated larynx does not open fully, obstructing the airway, causing the horse to produce noise while breathing and reducing its exercise tolerance.
  • This study sought to examine the physical characteristics of horses suffering from this condition and to compare these traits with unaffected populations.

Identifying Susceptible Animals

  • The study applied statistical methods to compile and analyze data, drawn from both affected and unaffected populations of horses.
  • The goal was to discover if certain types of horses are more likely to develop laryngeal hemiplegia.
  • From the analysis, the research provides evidence supporting the clinical observation that the condition is more prevalent amongst young, male, and heavy horses. This group has been empirically observed to be most susceptible to the disease.

Implications of the Research

  • This research’s findings reinforce anecdotal observations within the veterinary field, providing scientific validation to these perceptions.
  • The identification of the susceptible demographic helps in early diagnosis and treatment of laryngeal hemiplegia in horses. This knowledge can guide preventive and therapeutic strategies among equine professionals.
  • Future research may focus on why this specific group is more susceptible and how management strategies may be modified to prevent the onset of the condition.

Cite This Article

APA
Goulden BE, Anderson LJ. (1981). Equine laryngeal hemiplegia, Part I: Physical characteristics of affected animals. N Z Vet J, 29(9), 151-154. https://doi.org/10.1080/00480169.1981.34829

Publication

ISSN: 0048-0169
NlmUniqueID: 0021406
Country: England
Language: English
Volume: 29
Issue: 9
Pages: 151-154

Researcher Affiliations

Goulden, B E
    Anderson, L J

      MeSH Terms

      • Animals
      • Female
      • Horse Diseases / epidemiology
      • Horses
      • Male
      • Vocal Cord Paralysis / epidemiology
      • Vocal Cord Paralysis / veterinary

      Citations

      This article has been cited 5 times.
      1. Dupuis MC, Zhang Z, Druet T, Denoix JM, Charlier C, Lekeux P, Georges M. Results of a haplotype-based GWAS for recurrent laryngeal neuropathy in the horse. Mamm Genome 2011 Oct;22(9-10):613-20.
        doi: 10.1007/s00335-011-9337-3pubmed: 21698472google scholar: lookup
      2. Hardwick JL, Ahern BJ, Crawford KL, Allen KJ, Anderson BH, Rose KJ, Franklin SH. Yearling laryngeal function grades II.2 and below are not associated with reduced performance. Equine Vet J 2025 Jul;57(4):953-966.
        doi: 10.1111/evj.14452pubmed: 39837796google scholar: lookup
      3. McGivney CL, McGivney BA, Farries G, Gough KF, Han H, Holtby AR, MacHugh DE, Katz LM, Hill EW. A genome-wide association study for recurrent laryngeal neuropathy in the Thoroughbred horse identifies a candidate gene that regulates myelin structure. Equine Vet J 2025 Jul;57(4):943-952.
        doi: 10.1111/evj.14461pubmed: 39791379google scholar: lookup
      4. Hardwick JL, Ahern BJ, Crawford KL, Allen KJ, Franklin SH. Yearling laryngeal function in Thoroughbreds that underwent a laryngoplasty differs from controls. Equine Vet J 2025 Mar;57(2):431-440.
        doi: 10.1111/evj.14110pubmed: 38847239google scholar: lookup
      5. Lean NE, Franklin SH, Steel C, Woolford L, White J, Ahern BJ. Evaluation of recurrent laryngeal neuropathy in domestic and feral horse populations in Australia using histologic and immunohistochemical analysis: A pilot study. Vet Med Sci 2023 Jul;9(4):1610-1617.
        doi: 10.1002/vms3.1186pubmed: 37317987google scholar: lookup