Study on β-haemolyticstreptococci Infection in Equines at Different Seasons and Ages
Mohamed, O., Abo Elhasan, D., Elmolla, A. (2018). Study on β-haemolyticstreptococci Infection in Equines at Different Seasons and Ages. EKB Journal Management System, 49(2), 147-154. doi: 10.21608/ejvs.2018.4986.1046
Osama Mohamed; Diea Abo Elhasan; Amal Elmolla. "Study on β-haemolyticstreptococci Infection in Equines at Different Seasons and Ages". EKB Journal Management System, 49, 2, 2018, 147-154. doi: 10.21608/ejvs.2018.4986.1046
Mohamed, O., Abo Elhasan, D., Elmolla, A. (2018). 'Study on β-haemolyticstreptococci Infection in Equines at Different Seasons and Ages', EKB Journal Management System, 49(2), pp. 147-154. doi: 10.21608/ejvs.2018.4986.1046
Mohamed, O., Abo Elhasan, D., Elmolla, A. Study on β-haemolyticstreptococci Infection in Equines at Different Seasons and Ages. EKB Journal Management System, 2018; 49(2): 147-154. doi: 10.21608/ejvs.2018.4986.1046

Study on β-haemolyticstreptococci Infection in Equines at Different Seasons and Ages

Egyptian Journal of Veterinary Sciences
Article 8, Volume 49, Issue 2, December 2018, Page 147-154  XML PDF (1.04 MB)
Document Type: Original Article
DOI: 10.21608/ejvs.2018.4986.1046
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Authors
Osama Mohamed email 1; Diea Abo Elhasan2; Amal Elmolla3
1infectious disease department, college of veterinary medicine, cairo university, Cairo, Egypt
2Department of Medicine and Infectious Diseases Faculty of Veterinary Medicine Cairo University
3Department of Medicine and Infectious Diseases,Faculty of Veterinary Medicine Cairo University,Cairo, Egypt
Abstract
The present work was undertaken to study the incidence of β-haemolytic streptococci infection in equine. On clinical examination of  a community of 524 Arabian  foals and horses in Cairo – Egypt, a total of 164 animals were selected showing respiratory signs (31.30 %) of which 62 (11.83  %) showed respiratory signs and lymph nodes abscessation. Two hundred and twenty six  swabs,164 nasal,31submaxillary lymph node pus and 31 retropharyngeal lymph node pus, were collected from 164 foals and horses showing respiratory signs and/ or abscessed lymph nodes  for Streptococci isolation and PCR confirmation.
A total of 150 isolates of Streptococci were recovered from 226 samples with sample-wise prevalence of (66.37%). Out of these 150 isolates, 124(28.67%) were identified as Streptococcus equisubsp. equi, 26(17.33%) as S. equisubsp.zooepidemicus and no S. dysgalactiae subsp. Equisimilis were identified.
The incidence of S. equisubsp.Equi and S. equisubsp.Zooepidemicus infection among the total animal population, in the present study, was 11.83 and 4.96 % respectively. PCR technique showed high  sensitivity and specificity  for the detection of S. equi species in the examined  samples.
Keywords
Strangles; Streptococcus.equi; Streptococcus zooepdemicus; Streptococcus equisimilis; Horses
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