We need help!!! What is the proper amount to feed the dogs? We feed them Nutro Ultra and we don't have the bag. The food is in a container.

We have 3 Rats, two are perfect size and weight. Gizmo is shorter and stockier and is getting bigger, no matter how many walks and how much fetch we play. She does like to eat and over eat.. Our problem is we have always let them eat freely, which is usually in the evening. But Gizmo is packing a few extra pounds and we would like to fix it before it gets worse.

Gizmo is almost 8 and weighs about 18-20 pds, Bailey almost 7 and weighs 22 pds, and Squirt is 5 and weighs 17 pds.

How much should we feed them a day, and how many times? Also what is the best way to go from free eating to a routine? Just give a set time limit and take up the food? Should we stick with the Nutro Ultra or go to a weight management plan? The other 2 don't need a diet. LOL

I appreciate all your help and advice.  Alli

I'm not exactly sure how much is the "correct" amount to feed my dogs.  I feed mine once a day in the evening and if they don't eat it all by the time I'm done eating my dinner, I pick up the dishes.  I've got a 27 lbs type A rattie and he eats somewhere between a cup and a cup and a half.  I think if I left more out, he would eat more, but he just eats to keep my other dogs from eating it.  I feed mine Canidae All Life Stages, so it works great for all my dogs.  I switched to it after reading all the info on here about the different foods, and my dogs love it.

Smokey is 21 lbs. I feed him around PM a cup of dry Natural Balance duck/pot and put in about a half inch off the top of the canned food of the same. The balance of the can goes in Bandit's food (he is a hound mix 75lbs). As soon as Smokey is finished eating (about 30 seconds!! LOL) he goes right outside and poops. I honestly don't know how much he would eat at one feeding if I filled his bowl. He was 15 lbs when we got him and looked a bit thin. My vet said 20 lbs would be ideal weight for him. Oh - he's 2 years old.