NutriSource Trout & Rice Dog Food 30 lb. With the needs of all breeds and life stages in mind, NutriSource Trout & Brown Rice Recipe Dry Dog Food utilizes a holistic, easy to digest recipe for ideal health maintenance. Using fresh caught fish along with other holistic ingredients, this recipe provides perfectly balanced nutrition your pup is sure to love! Nutrisource recipes always include their Good 4 Life system with ingredients that work together to promote gut health often showing health improvements within the first feeding!