The disease is mainly caused by fungi that parasitize the dog's coat and epidermis, and the keratinous tissues of the toes and paws. It is a skin disease characterized by hair loss.
Epidemic characteristics have obvious seasonality, mostly in spring, autumn, and rainy and humid weather; the incidence of dogs of different ages and breeds is also different. Generally long-haired dogs are more prone to disease and systemic infections are more common than short-haired dogs, while short-haired dogs are common. Only limited to limbs and fingers (toes); male dogs have a significantly higher incidence than female dogs; puppies, old dogs and immunosuppressed dogs are susceptible to infection and worsening; dog breeds such as golden retrievers and Yorkshire terriers are more susceptible to infection; dog skin ringworm The spread of mycosis is mainly through contact between animals or through contaminated objects. If there are a large number of dogs, it can also be spread through the air. In addition, ectoparasites such as lice, fleas, flies, and mites are also spread. One way.
The clinical symptoms are on the face, ears, limbs, toes and other parts of the body, and the infection gradually spreads to other parts of the body; typical skin lesions are depilation, the depilation area is round and quickly expands around; some lesions are oval, Irregular or diffuse; some will have large areas of skin damage, the whole body will be removed from the hair, numerous small nodules and exudates appear, the appearance of extreme itching, the surface of the infected skin is accompanied by scaly or erythema-like bumps; some Scabs are formed on the skin, pus is infected under the scabs, and some small pustules are formed on the skin and produce secretions. Most of the skin fungal diseases can grow new hairs during the recovery period; the course of this disease is 2 to 4 weeks, if not in time Treatment can become chronic and last for months or even years.