Characteristics: A pale-yellow oil-mixed suspension. Phase-separation occurs when laid still. Shaking and vibrating can make it evenly dispersed.

Indication: Bovine mastitis caused by staphylococcus aureus.

Usage and dosage: In benzathine cloxacillin content (500,000 units), breast injection, 10ml per breast.

Precaution: Prohibited to apply during lactation.

Withdrawl period: 28 days for cow; prohibited to use from the 4th day after the calving.

Specification: (1) 10 ml: 500,000 units; (2) 250 m1:12.5 million units.