If your food contains less than 50mg vitamin E per kilogram food, particularly if you are breeding, you should supplement the diet with wheatgerm, wheatgerm oil or Bemax. Although less susceptible to infertility problems due to vitamin E deficiency, rabbits, like guinea pigs, can suffer from muscle weakness when vitamin E levels are low. Calcium Calcium is required by all animals to build healthy teeth and bones. There needs to be a proper balance between the levels of calcium, phosphorous and magnesium. P 1 for rabbits.
More magnesium is required where the level of either calcium or phosphorous is low.
Vitamins D and C are also important for the proper utilisation of calcium. Trace elements important for healthy teeth and bones include boron, silica and zinc. Excess calcium or too much calcium in relation to phosphorous can lead to calcium deposits in soft tissue. These deposits can lead to muscle pain, urinary tract gravel and stones.