1, Zinc deficiency. Zinc deficiency causes skin keratinization insufficiency, which is first manifested in the pig and the contour. Due to the skin keratinization insufficiency part of the wrinkled, resulting in the pig ear uneven force, resulting in the ear to the outward roll. Treatment can be added to the feed zinc sulfate, 400 mg per kilogram of feed; in the affected area coated with zinc sulfate ointment.

2, scabies mite infection. Use ivermectin to deworm.

3, staphylococcal infection. Intramuscularly inject gentamicin and apply sulfa ointment or penicillin ointment to the affected area.

Nutritional value:

Pig's ear contains protein, fat, carbohydrates, vitamins and calcium, phosphorus, iron, etc. It has the effect of strengthening the spleen and stomach, and it is suitable for people who are weak in qi and blood, and who are weak in body.

The pig's ear is very nutritious, and the taste is very good, especially when eaten as a cold dish "brine pig's ear", eaten in the mouth is soft and crispy, the flavor is fresh and not greasy, and is rich in gelatin.