الفهرس 
Title : Containment principals of S. aureus isolated from mastatic buffaloes
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Abstract
Prevalence of mastitis among the examined farms showed that 183 animals out of 352 buffaloes showing signs of mastitis with a percentage of 51.98% distributed on the farms included as follow 53.91%; 67.50%; 26.92%; 38.09 % and 53.57% respectively. Results showed that, the percentage of quarters showing clinical mastitis were 23.53%; 17.65%; 22.46% and 36.36 %. Results obtained were 31.3%; 29.1%; 18.2% and 21.4% at the right hind, left hind, right fore and the left fore respectively. Obtained results revealed that 84 isolates of S. aureus from overall 183 mastitic animals with an incidence of 45.90% meanwhile, the incidence of isolation according to the total number of quarters 374 was 22.46%. The distribution of isolation from mastic animals and mastitic quarters were 43.55%;21.60,59.26%; 24.43, 14.29%; 13.33, 12.5%; 11.11% and 48.89%; 23.40 from Farms 1, 2, 3, 4 and 5 respectively. Regarding the virulence factors among the examined isolates, out of 84 S. aureus isolates only 39 were toxigenic 46.43% including 12 isolates had enterotoxin (A) 30.77% and the remaining 27 isolates had enterotoxin (D) 69.23%; all isolates of S. aureus had each staph protein A with an incidence of 100%; coagulase activity and hemolytic activity showed that all isolates were hemolytic (100%), 69 isolates (82.14%) were hemolytic, and 15 isolates were hemolytic (17.86%)