Systemic diseases[edit] Myopathies in systemic disease results from several different disease processes including endocrine, inflammatory, paraneoplastic, infectious, drug- and toxin-induced, critical illness myopathy, metabolic, collagen related, and myopathies with other systemic disorders.
But I now that squash, carrots if they're cut up small enough for them, cucumber, cactus, green peppers, green beans, spinach, cauliflower, mushrooms, eggplant, some broccoli (not too much). You can pretty much give a tortoise anything and they'll eat it.
Grasses and hays, such as those fed to horses and other livestock, can also be fed to Russian tortoises. The willingness with which these foods are accepted will vary from animal to animal, but should be offered nonetheless as a source of added fiber.