8 to 12 weeks -4 meals per day-morning, early afternoon, early evening, before bed time. 12 to 18 weeks 3 morning, early evening, before bedtime, over 18 weeks 2 moning, early evening. This is the information i got from Yorkie book and it work for me Pheobe is healthy, Happy and the vet said perfect weight too for her age, she is 10 month old now, I try to give her healthy snacks too between meals, not to much.Hope this help