Vegetarian dog foods are manufactured by several companies. They are usually balanced & contain ingredients such as oatmeal, pea protein, & potatoes 2.1 Dry food; 2.2 Wet food; 2.3 Dry Food vs Wet food; 2.4 Vegetarian or vegan food In the same year, an ad for Spratt (better known for making dog food) said The history of the vegetarian hot dog is not clear, but Worthington Foods' Veja- Link meatless wieners claim to have been the world's first vegetarian hot dogs in Vegepet is the brand of a line of vegan dog & cat food by Harbingers of a It is one of a few brands of vegan pet food recommended by vegan organizations.