Field trial to evaluate vaccine and antibiotic for control of staph. aureus mastitis in dairy cattle, Egypt

الملخص EN

The present study describes an attempt to determine whether a combination of vaccination and extended antibiotic treatment would eliminate staph.

aureus mastitis in lactating dairy cows.

twenty cows infected with staph.

aureus mastitis were split into 4 groups; one group (group a): received 2 injections of staph.

aureus bacterin (lysigin®) with 14 days intervals, the second group (group b): received 3 injections of marbofloxacin 10% (marbocyl® 10%) (by intramuscular route daily for 3 successive days), the third group (group c): received 2 injections of lysigin® with 14 days intervals + 3 doses of marbocyl® 10% (daily for 3 successive days) while the fourth group (group d): control cows did not receive any treatment.

in our trial we found that the staph.

aureus-clearance rate in all cows at the level of quarters were 20%, 33.3%, 53.8% and zero %, respectively.

combination of bacterin with extended antibiotic therapy was successful in this trial as results indicated that a combination of vaccination and antibiotic treatment can be successful in eliminating 53.8% % of staph.

aureus mastitis.