Hi All.. Well the vet believes Cole to have allergies, and we are changing his
food for now, but I did not have blood work done yet.
He has lost weight, along with lots of fur.. and I also may not have been
feeding him quiet enough for fear of him getting fat.
I was feeding 3 cups a day, he has just turned 1 this week, but there
are days when I need to put aside some of his food for treats for
his training sessions. I am realizing that on days that I do not work with him
too much, he then is getting only 2- 2 1/2 cups of food.
But I wanted to find out if when a dog starts to show signs of allergies,
do their weights drop off.
He is not scratching or biting his feet as much, but he has small furless
patches under his eyes, and on the tops of his legs, His fur just has
thinned in general, unless what he had before was puppy fur and he is
getting his adult coat?

I was feeding 3 cups a day, he has just turned 1 this week, but there
are days when I need to put aside some of his food for treats for
his training sessions. I am realizing that on days that I do not work with him
too much, he then is getting only 2- 2 1/2 cups of food.

While it's an excellent plan to keep a dog thin, and different dogs have different needs, I don't think that's enough food for a 60 pound growing male.

If I recall correctly, you have been feeding Innova LB puppy? Unlike the regular Innova, it's a fairly low cal food, with 366 kcal per cup. The published requirements for 60 pound dogs at 80-100% of their final weight is between 1600-1900 calories per day. If you reduce this amount by 25% to keep them lean, that's still 1200-1400 calories a day. 2 cups of Innova large breed provides 732 calories, and even three cups is only around 1100.

Most commercial foods have ample vitamins and minerals, but as you know, not getting enough protein in the diet can weaken the immune system in ways which aren't immediately obvious. Calcium and phosphorus may aslo be a concern with underfeeding.

I don't want to contribute to your stress level, and I commend you for using his food rather than fattening treats as training rewards, but if this was my dog, I'd increase his food.