Who many Milk Bones (treats) should a dog have a day?

Would depend on the size Milk bones you buy. The box should have guidelines. Remember for most dogs its not the size of the treat, its the fact that they are getting it. I break my treats in many pieces and it makes one "cookie" go along way. Just watch your dogs weight and remember the majority of calories should come from dog food and not treats. Think of these as doggie junk food or dessert, not the main course.

i would give no more than 3 or 4 a day and spread out over the corse of the day. not all at once.

At all of the different information i have looked at, vets say that treats should be about 10% of thier diet. i know my dogs get more than that because they are spoiled but.. i hope i could help!