STAPHYLOCOCCUS AUREUS ANDESCHERICHIA COLICAUSING SUBCLINICAL MASTITIS IN SHEEP AND GOATS.

  • Bacteriology, Immunology and Mycology Dept. Fac. Vet.Med., Benha Univ.
  • Animal Health Research Institute(Dokki ?Giza),
  • TheriogenologyDept., Fac. Vet. Med. Benha Univ.
  • Veterinary Hospital. Fac. Vet. Med., Zagazig Univ.
  • VeterinaryMedicine Directorate, Zagazig city, Egypt.
  • Abstract
  • Keywords
  • References
  • Cite This Article as
  • Corresponding Author

Mastitis is one of the most serious economic problems in all dairy sheep and goats flocks. Examination of 110 milk samples collected from apparently healthy sheep and goats using the California mastitis test (CMT) showed that 49 (44.5%) were CMT positive. Standard methods for isolation and identification of S.aureusand E. coli could identify 3 and 9 strains respectively. Five different serogroups weresuccessfully identified among 9 E. coli strains, the serogroups were O26 (33.3%), O1 (22.2%), O114 (22.2%), O148 (11.1%) and finally O125 (11.1%). The antimicrobial susceptibility results for erythromycin and Cefoxitin revealed that all E.coli isolates were resistant to erythromycin (100%) followed by high frequencies of resistance observed to Cefoxitin 8 isolates (88.9%). All S.aureus isolates wereCefoxitinresistance while no resistance pattern was detected to erythromycin. The Phylogenetic grouping of E.coli by triplex PCR using two genes (chuA and yjaA) and an anonymous DNA fragment tspE4C2 indicated that 5/6 were the B2 group and 1/6 was A group. The genotyping identification using nuccan identify 2 strains only of S.aureus isolates considered it of low identification power than use the traditional biochemical tests and Vitek 2 System identification in vitro.


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[Ashraf AwaadAbd El-Tawab, Mohamed Galal Aggour, Mohsen A. Agag, Ahmed A. Hefny and Marwa Mohamed Yahia El-Mesalami. (2018); STAPHYLOCOCCUS AUREUS ANDESCHERICHIA COLICAUSING SUBCLINICAL MASTITIS IN SHEEP AND GOATS. Int. J. of Adv. Res. 6 (Oct). 1083-1090] (ISSN 2320-5407). www.journalijar.com


Marwa Mohamed Yahia El-Mesalami


DOI:


Article DOI: 10.21474/IJAR01/7910      
DOI URL: https://dx.doi.org/10.21474/IJAR01/7910