It is suggested that rabbits bask in the sun for two hours every day and pay attention to the nutritional balance of food at ordinary times.
Pay attention to vitamin d and calcium supplementation. Go to Taobao to buy Beviso and PetSAGA animal nutrition calcium and then feed it back. If it is rickets, it can basically recover after 1 month.
In addition, alfalfa contains high calcium and can be fed in moderation.