More active dogs with higher energy needs may require larger servings, while less active dogs may require slightly smaller servings. (myperfectpetfood.com)
Basically, some people have such high energy needs that they need to eat a high - everything diet. (completehumanperformance.com)
Less energy dense pet foods may be inappropriate for an animal with unusually high energy needs or an active life style. (scielo.br)