Dogs: Initial period: Under 5kg 1 chew per day, 5 - 10kg 2 chews per day, 11 to 22 kg 4 chews per day, 23 to 44 kg 6 chews per day, over 45kg 8 chews per day. Maintenance period: Under 5kg 1/2 a chew per day, 5 - 10kg 1 chew per day, 11 to 22 kg 2 chews per day, 23 to 44 kg 4 chews per day, over 45kg 6 chews per day.