After two of my dogs have been on Nutro Wild Frontier Grain Free with Venison dog food, I have seen quite a few differences. These are differences I typically don’t think of happening simply from a change of food. Keep in mind I received this food free from Chewy but these opinions are all my own. My dogs are both young, just over the age of 1 but are two different breeds. One dog is a German Shepherd while the other is an Australian Shepherd. I expected them both to…