In addition to high-quality roughage and mineral feed, a donkey’s ration should be supplemented with a lick stone.
In addition, it may be necessary to (temporarily) supplement the donkey’s ration with a specific supplement.
An additional source of energy can be a little good vegetable oil.
Donkeys that don’t get enough vitamins and minerals can suffer from White Muscle Disease. This disease mainly occurs in foals and is the result of a crhonic deficiency of vitamin E and selenium in the mare.
White Muscle Disease can occur when donkeys are fed only hay and straw.