This vaccine helps prevent caseous lymphadenitis abscesses caused by Corynebacterium pseudotuberculosis. Will not prevent abscesses in animals with or exposed to abscesses. Give two shots at 4 week interval, then annual booster. Labeled for sheep. Dosage: 2 ml. Also comes in 100 ml bottle. DURING JULY AND AUGUST, TO ENSURE ITS QUALITY, THIS PRODUCT MUST BE SHIPPED EITHER NEXT DAY OR SECOND DAY AIR AT CUSTOMER'S EXPENSE.