In the present study, a total of 266 samples was collected from Arabian horses obtained from different private farms. The study was conducted from January 2014 to October 2015. The rate of isolation for S. equi subsp. equi from all samples collected during the period January 2014 to October 2015 was 58 isolates (36.02%). In 2014, two isolates out of 8 nasal swabs of apparently healthy foals (25%) was identified as S. equi subsp. equi, the rate of isolation from nasal swabs of infected foals was 75% (6 isolates) and it was 50% from in contact mares (2 isolates). While, in 2015, six isolates out of 22 nasal swabs of apparently healthy foals (27.3%) was identified as S. equi subsp. equi, the rate of isolation from nasal swabs of infected foals was 37.5% (18 isolates) and it was 15.4 % from contact mares (4 isolates). The rate of S. equi isolation as a causative agent of strangles was higher in samples collected during 2015 (27.4%) than that collected during 2014 (14.2%). Antibiogram test was applied to 50 S.equi isolates using 18 antimicrobial disc (tetracycline, ampicillin, neomycin, erythromycin, nalidixic acid, chloramphenicol, sulfa/trimethoprim, cephalothin, amikacin, clindamycin, colistin sulfate, gentamicin, lincomycin, ofloxacin, kanamycin, ciprofloxacin, cefotaxime and pencillin G). All examined isolates of S. equi subspp. equi were resistant to most antimicrobial disc used in this study except ofloxacin and penicillin G. It was concluded that there is a need for further studies to evaluate the environmental persistence of S. equi. Further studies on how to control and prevent the occurrence of strangles by using the drug of choice after applying antibiotic sensitivity test and the hygienic measure must be applied.
Abdelmageed, S., ElShafii, S., El Jakee, J., & Farag, A. (2016). Clinical and laboratory diagnosis of Upper Respiratory Diseases Caused by Beta- Haemolytic streptococci in equine. Veterinary Medical Journal (Giza), 62(2), 95-100. doi: 10.21608/vmjg.2016.363164
MLA
Shaimaa Abdelmageed; Soumaya ElShafii; J El Jakee; Azza Farag. "Clinical and laboratory diagnosis of Upper Respiratory Diseases Caused by Beta- Haemolytic streptococci in equine". Veterinary Medical Journal (Giza), 62, 2, 2016, 95-100. doi: 10.21608/vmjg.2016.363164
HARVARD
Abdelmageed, S., ElShafii, S., El Jakee, J., Farag, A. (2016). 'Clinical and laboratory diagnosis of Upper Respiratory Diseases Caused by Beta- Haemolytic streptococci in equine', Veterinary Medical Journal (Giza), 62(2), pp. 95-100. doi: 10.21608/vmjg.2016.363164
VANCOUVER
Abdelmageed, S., ElShafii, S., El Jakee, J., Farag, A. Clinical and laboratory diagnosis of Upper Respiratory Diseases Caused by Beta- Haemolytic streptococci in equine. Veterinary Medical Journal (Giza), 2016; 62(2): 95-100. doi: 10.21608/vmjg.2016.363164
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