Provides long-term immunity against tetanus. Use it to vaccinate all kids and for annual booster shots for all animals in herd. A concentrated solution. Recommended dosage for goat of any age: 1/2 cc. 10 ml vial yields 20 doses. DURING JULY AND AUGUST, TO ENSURE ITS QUALITY, THIS PRODUCT MUST BE SHIPPED EITHER NEXT DAY OR SECOND DAY AIR AT CUSTOMER'S EXPENSE.