Causes of alopecia in dogs:

1. Hormone hair loss: seen in pituitary sarcoidosis, hypothyroidism, hyperadrenocorticism, testicular or ovarian dysfunction and Sertoli cell tumor of the testis.

2. Metabolic hair loss: manifested as seborrheic dermatitis and fatty acid deficiency.

3. Congenital hair loss: see hair loss caused by genetic factors.

4. Toxic hair loss: Dermatitis and hair loss caused by blunt poisoning. Horror hair loss can occur due to x-ray exposure, burns or trauma.

Prevention and treatment measures for dog hair loss:

1. Correctly identify the cause of the disease, treat the original disease, and treat the symptoms at the same time. Remove scales from the hair loss area and stimulate the hair roots and The principle is to expand skin capillaries to provide sufficient nutrition to hair follicles and promote hair regeneration.

2. You can use 1% pilocarpine ointment, 40% lecithin ointment, and 1% acetylcholine chloride ointment. Apply it every day and massage gently. You can also mix 18g of salicylic acid, 18g of tannic acid and 600ml of ethanol and apply it to the affected area.

3. For endocrine alopecia, use hormonal therapy, prednisone 2 mg/kg body weight subcutaneous injection, androgen administration or sterilization surgery. For those with ovarian insufficiency, the ovaries and uterus can be removed.

4. In addition to targeted treatment for toxic hair removal, cystine and methionine can be administered. For hair loss caused by hypothyroidism, thyroid preparations can be taken orally, 2 tablets a day, gradually increasing to 6-10 tablets.

5. For other dogs with unexplained hair loss, apply a hair regeneration stimulator locally.

6. The living environment of pet dogs should be kept dry, disinfected regularly, and pathogenic microorganisms should be killed. If necessary, pet dogs should be equipped with insect-proof collars.

7. Comprehensively strengthen the dog’s nutrition and provide sufficient protein, vitamins and trace elements to improve the dog’s resistance. If hair loss is discovered, timely diagnosis and treatment is required.