1. The outside temperature is too low: the rabbit's ear is an important part of heat dissipation. If the ambient temperature is too low, the rabbit's ears will feel cold. At this time, rabbits may lose their appetite because of the cold.
2. The rabbit is sick: the rabbit's cold ears may be due to physical problems. Rabbits may suffer from colds, respiratory infections and other diseases, resulting in a drop in ear temperature and affecting the appetite of rabbits.
3. Lack of nutrition in rabbits: The loss of appetite in rabbits may be due to the lack of some important nutrients, such as vitamins and minerals. This may cause rabbits to feel uncomfortable and their ears to get cold.