
Rats are naturally opportunistic omnivores. If they have the opportunity, they will indulge in insects and other small invertebrates, such as snails or caterpillars. However, as any farmer will attest, rats can also thrive on a predominantly plant-based diet made up of grains, corn, fruits, vegetables, and other plant material. So, not surprisingly, a pet rat’s food can be primarily vegetarian, if supplemented with fresh animal-based foods to provide additional beneficial nutrients. Currently, most available rat foods are of mediocre quality, containing mostly low quality plant-based, and low-grade animal-derived ingredients which may be unhealthy over the long run. Even if higher quality, safer, and more nutritious organic ingredients are used, these are usually processed at high temperatures, which devitalize endogenous nutrients in the pet food products that contain them. High heat is used for most extruded rat food, i.e., pellet foods or ‘lab block’-type foods, even those products that are ...
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