<i>Streptococcus equi</i>
            ss
            <i>equi</i>

Boyle, Ashley G.

doi:10.1002/9781118922798.ch29

Cited by 1 publication

(3 citation statements)

References 12 publications

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“…Moghaddam et al reported a seroprevalence of 45.7% in racehorses during 2017 using an iELISA based on SeM, which is an M-like fibrinogen-binding surface protein of S. equi (29). However, iELISAs using the full SeM protein have been criticised for their inferior specificity due to cross-reactivity with Streptococcus zooepidemicus (18,30).…”

Section: Discussionmentioning

confidence: 99%

“…In 2013, Robinson et al developed a dual antigen A (N-terminal fragment of SEQ2190) and C (N-terminal fragment of SeM) iELISA kit, which is beneficial in terms of much lower cross-reactivity with S. zooepidemicus (99.3% specificity) and high sensitivity (93.3%) (10,11,18). Thus the duplex iELISA kit incorporating SEQ2190 and SeM was used in this study.…”

Section: Discussionmentioning

confidence: 99%

“…The racehorses are raised and trained closely together at the SRP by sharing of horse management facilities such as horse walkers, swimming pools, and tracks. EIV, EHV-1, EHV-4, ERAV, ERBV, and S. equi can be transmitted by direct horse-to-horse contact and aerosolized droplets of nasal secretions (17)(18)(19). In particular, outbreaks of EIV, EHV-1, and EHV-4 can cause severe clinical and economic damage to the horse racing industry (20).…”

Section: Introductionmentioning

confidence: 99%

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Seroprevalence of Infectious Respiratory Agents in Thoroughbred Race Horses at the Seoul Race Park, Republic of Korea

Lee¹,

Waller²,

Park³

2022

J Bacteriol Virol.

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Infectious respiratory disease is one of the most frequent causes of lost days in training and reduced performance of Thoroughbred racehorses. Equine influenza virus (EIV), Equine herpesvirus-1 (EHV-1) and -4 (EHV-4), equine rhinitis virus A (ERAV) and B (ERBV), and Streptococcus equi subspecies equi (S. equi) are important infectious agents of the respiratory tract of horses. The purpose of this study was to determine the seroprevalence of EHV-1, EHV-4, ERAV, ERBV, and S. equi and to measure EIV antibody levels of Thoroughbred racehorses at Seoul Race Park (SRP), Republic of Korea. All horses had previously been vaccinated against EIV and S. equi, but not against any of the other pathogens that were tested. A total of 94 serum samples, which were collected from race participants at the SRP were tested using the single radial haemolysis (SRH) test for EIV (H3N8), the complement-fixation (CF) test for EHV-1, EHV-4, ERAV, ERBV and an indirect enzyme-linked immunosorbent assay (iELISA) for S. equi. Serum samples from seventy eight out of 94 horses (83%) generated zones of over 85 mm 2 in the SRH test, which classified them as clinically protected against EIV (H3N8). The most sero-prevalent agent detected was EHV-4 (30.9%, 29/94), followed by EHV-1 (9.6%, 9/94), S. equi (2.1%, 2/94), ERAV (1.1%, 1/94) and ERBV (1.1%, 1/94). All horses showed no visual clinical signs. The present study showed that the seroprevalence of infectious respiratory agents was relatively low and provides evidence of low risk of respiratory infectious agents in Thoroughbred race horses at SRP.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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