Physiology and Management: Comparison of Tilmicosin and Cephapirin as Therapeutics For Staphylococcus aureus Mastitis at Dry-off

摘要

Forty-four cows (26 Jerseys and 18 Holsteins) that had at least 1 mammary quarter that was naturally (n = 12) or experimentally (n = 84) infected with Staphylococcus aureus were allotted to three treat- End of lactation. Cows were dried off by abrupt cessa- Tion of milking, and dry cow therapy was ad- Ministered as an intramammary infusion of cephapi- Rin benzathine at 10 ml per quarter, anintramammary infusion of tilmicosin (solution con- Taining 300 mg/ml) at t ml per quarter, or a sub- Cutaneous injection of tilmicosin at 5 mg/kg of body Weight on the day of drying off and another injection 4 d later.