Specification: 150mg, 300mg, and 1000mg Packing: 50 bolus/ box Specification: 150mg, 300mg, and 1000mg Packing: 50 bolus SpecificationsOxytetracycline bolus 500 mg Multi-Purpose Broad-Spectrum Antibiotic Effective against Gastrointestinal worms,lungworms,TapewoFor Veterinary Use only"Oxytetracycline Bolus 500mgMulti-Purpose Broad-Spectrum Antibiotic Effective againstGastrointestinal worms, ...