Ik heb dit artikel gevonde van een kwekerij van carbonaria in brazil :
http://www.geochelone.com.br/usa/saude.cfmFeeding
The tortoise, unlike many people might think, must receive a good quality, diversified diet. The majority of people however fail to feed them properlly. For that reason some animals get sick due to a lack of vitamins and minerals. For hardening of the carapace provide them calcium in adequate amounts (for supplemental of calcium, sprinkle over the food dry and triturated egg rinds at least three times a week).
Tortoises are omnivorous. They need to be fed with animal protein (small vertebrates, earthworms, insects, etc...) and vegetable fibers (foliages, vegetables and fruits). You must feed tortoises daily and remove it if still present before any signs of decomposition show.
The following are diet suggestions for your pet/animal and these elements should be given either together or be alternated throughout the week in order for your tortoise to remain happy and healthy:
1. Vegetables - 85% of the diet:
Leaves of mustard, beetroot, watercress, borecole, parsley, broccolis, spinach, cabbage, carrot, petals of roses, hibiscuses (petals and leves), seeds of white beans and green beans, peas, lentils, corn (also know as: maize), and a variety of vegetables like carrot, beetroot, string beans, pumpkins, sweet potato, etc.
2. Fruits - 10% of the diet:
Grape, avocado, apple, pear, pineapple, strawberry, mango, papaya, melon, banana, tomato, fig, watermelon, blackberry, mulberry, nectarine, etc.
3. Animal protein in high concentrations - less than 5% of the diet:
Ration for turtles, supplements to the base of shrimps and raw milled meat. You can also feed them with dog's food, sardine with bones or boiled eggs with peel.