Sport diet

A sport, or performance, diet is intended for animals with high energy expenditure, such as working, sled, hunting, and canine-sport dogs, whose calorie needs can far exceed those of an ordinary maintenance pet. The defining feature is a high energy density, usually achieved through a substantial [crude fat](/glossary/crude-fat) content, because fat is the preferred fuel for endurance effort in dogs and packs the most calories into the least volume (NRC, 2006). Quality protein is also kept high to support muscle maintenance and repair, and digestibility becomes a central criterion, since the whole point is to deliver a great deal of energy in a reasonable, comfortably digestible quantity. A genuinely important warning is that these diets are wrong for low-activity animals, in which the same calorie density that fuels an athlete would rapidly promote excess weight, so a sport label is not a generic upgrade. Feeding the athletic animal well also extends beyond the bag: it involves managing [water and hydration](/glossary/water-and-hydration) and timing meals around the effort. A striking detail is how much needs vary with the nature of the work: a sled dog running for hours in extreme cold can require several times the calories of a maintenance dog, whereas a short-burst sprint dog has very different demands, which is why individual adjustment and regular weight monitoring remain essential. The right level is the one that matches real expenditure, confirmed by body condition rather than assumed from the category. For more, see the [Petipedia glossary](/glossary).

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