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Research in veterinary science1986; 41(2); 279-280;

Demonstration of the carrier state in naturally acquired equine arteritis virus infection in the stallion.

Abstract: The chronic carrier state was virologically confirmed in 15 thoroughbred stallions naturally infected with equine arteritis virus based on the results of test matings and, or, isolations of the virus from semen. Carrier stallions were shown to shed equine arteritis virus in the semen for at least one to two years. Existence of a short-term or convalescent carrier state was also demonstrated in five additional stallions. The frequency of the long-term carrier state in stallions naturally infected with equine arteritis virus was 35 per cent; it varied considerably between groups of stallions on different farms. The carrier stallion would appear to play an important epidemiological role in the dissemination and perpetuation of equine arteritis virus.
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Publication Date: 1986-09-01 PubMed ID: 3022363
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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.

The research article discusses the demonstration of the carrier state in horses, specifically stallions, that were naturally infected with the equine arteritis virus. Researchers further examined how the virus is transmitted and its frequency in different groups of stallions on different farms.

Confirmation of Chronic Carrier State

  • The researchers investigated the existence of the chronic carrier state in 15 thoroughbred stallions infected naturally with the equine arteritis virus.
  • Their virulent carrier state was confirmed using tests including mating trials and isolations of the virus from their semen.
  • It was established that the carrier stallions continued to shed the virus in their semen for at least one to two years.

Existence of Short-Term Carrier State

  • In addition to the long-term carrier state, a short-term or convalescent carrier state was also noted in the study.
  • This was demonstrated in five additional stallions, pointing to the diverse ways in which the virus can maintain its presence in the horse population.

Frequency of the Carrier State in Stallions

  • The research found that the frequency of the long-term carrier state in naturally infected stallions was 35 per cent, which significantly varied according to the specific group of stallions or the farm in question.
  • This demonstrated a significant epidemiological aspect, since different local conditions may foster different rates of virus transmission and perpetuation.

Epidemiological Role of the Carrier Stallion

  • The carrier stallions play an important role in spreading and continuing the existence of the equine arteritis virus.
  • The capacity of these carrier stallions to shed the virus, particularly via semen, suggests that they can infect other horses and continue the virus transmission cycle.

Cite This Article

APA
Timoney PJ, McCollum WH, Roberts AW, Murphy TW. (1986). Demonstration of the carrier state in naturally acquired equine arteritis virus infection in the stallion. Res Vet Sci, 41(2), 279-280.

Publication

Research in veterinary science
ISSN: 0034-5288
NlmUniqueID: 0401300
Country: England
Language: English
Volume: 41
Issue: 2
Pages: 279-280

Researcher Affiliations

Timoney, P J
    McCollum, W H
      Roberts, A W
        Murphy, T W

          MeSH Terms

          • Animals
          • Arteritis / epidemiology
          • Arteritis / microbiology
          • Arteritis / transmission
          • Arteritis / veterinary
          • Carrier State / epidemiology
          • Carrier State / microbiology
          • Carrier State / veterinary
          • Equartevirus / isolation & purification
          • Female
          • Horse Diseases / epidemiology
          • Horse Diseases / microbiology
          • Horse Diseases / transmission
          • Horses
          • Kentucky
          • Male
          • RNA Viruses / isolation & purification
          • Semen / microbiology
          • Virus Diseases / epidemiology
          • Virus Diseases / microbiology
          • Virus Diseases / veterinary

          Citations

          This article has been cited 30 times.
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