Service dogs nutrition: It's important to remember that they are active working animals. Avoid brands with high corn or soy content. Hi protein is better. I also recommend "Coconut Milk" sweetened add... View MoreService dogs nutrition: It's important to remember that they are active working animals. Avoid brands with high corn or soy content. Hi protein is better. I also recommend "Coconut Milk" sweetened added to a feeding now an then as they loose nutrients via hair and nails first. This also helps with shedding and dandruff. (Please stay away from "Ol' Roy", it's cheap for a reason.)