Shake well before use. For maximum control and prevention of reinfestation, it is recommended that puppies be treated at 2, 3, 4, 6, 8, and 10 weeks of age. Lactating bitches should be treated 2-3 weeks after whelping. Adult dogs kept in heavily contaminated quarters may be treated at monthly intervals to prevent T. canis reinfestation. Administer one full teaspoonful (5 mL) for each 10 lb of body weight. For the removal of large roundworms (ascarids) and hookworms. Administer one full teaspoonful (5 mL) for each 10 lb of body weight. It is not necessary to withhold food prior to treatment. For the removal of large roundworms and hookworms, administer one full teaspoonful (5 mL) for each 10 lb of body weight. It is not necessary to withhold food prior to treatment.