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Gut loading
Gut loading is the process by which an animal's prey is raised and fed nutritious foods with the intention of passing those nutrients to the animal for which the prey is intended. This term is used most often in reference to the preparation of insects, such as crickets and mealworms, or mice which are used as food for reptile pets. Insects that are raised commercially for the pet trade are themselves of little nutritional value. By providing the prey animals with a high quality diet immediately prior to feeding, they become a more nutritious meal for the predator.〔Merck Veterinary Manual. www.merckvetmanual.com〕
Gut loading can be accomplished by providing fruits, vegetables, and cereals or a nutritionally complete manufactured diet. Several commercial products are available and are fortified specifically for gut loading. These products often include varying combinations of carbohydrates, fats, proteins, vitamins, minerals, and dietary fiber.
==Importance==
Gut loading is considered most important if the primary source of nutrition is from insects, especially crickets, because crickets are lower in nutritional value than other common insects fed, such as meal worms and wax worms. Larval insects contain more protein and digestible energy than adult insects, but when gut loading larva they will gain the nutrients needed to pupate quickly and therefore will not keep as long.
Gut loading is considered less important when animals such as mice are used as prey. This is because of the large amount of digestible energy and other nutrients a mammal contains in its tissues. It is also a less common practice when rodents are fed, because it is usually preferred to feed pre-killed prey from the store to protect the predator from being bitten.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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