When the infection is mild, the skin of the sick dog is in the form of annular scales, and the damaged hair roots remain in the focus, which often does not attract the attention of the dog owners and breeders. In severe infection, the sick dog has obvious itching sensation, and the skin of the sick dog is depilated in a large area, and the skin is partially or completely red and covered with thick scab skin. With a little brush, a lot of hair falls off or breaks off. Some sick dogs have papules, blisters and dandruff, as well as folliculitis and folliculitis. In severe cases, ulcers may occur and cannot be cured for a long time. The lesions appear around the face, eyes, ears, mouth and anus, and will spread to most parts of the body in severe cases. Pigmentation appears on the back and waist of the elderly with a course of disease. The sick dog is itchy and restless, anaemic, gradually emaciated, and its growth and development stop. Such as mites, eczema or dermatitis complicated with fungal infection, manifested as severe itching, severe hair loss and other changes. In addition to the changes of fungal dermatosis, it also has the characteristics of corresponding dermatosis caused by other pathogens. Microsporum canis is a man or a dog. When people come into contact with sick dogs or their hair, dander, utensils, etc. They immediately felt itchy in the contact area with red papules and blisters. You don't need treatment. By enhancing immunity, you can heal yourself within a few days. In severe cases, tinea can be formed, which is difficult to heal after long-term treatment.
The diagnosis should focus on symptoms and cooperate with pathogen examination. Check the hair and dander of the sick dog with Wood's lamp. If there is fungus, it will emit yellow-green fluorescence. Alternatively, the material to be tested can be placed on the glass slide, 2 drops of cotton blue lactic acid carbolic acid staining solution can be dripped, covered with a cover, and allowed to stand for 5- 10 minutes for microscopic examination. At this time, the fungus was dyed blue, and its spores were closely and irregularly arranged around the hair shaft, as if the sleeves of 1 were embedded outside the coat. Sometimes fungi invade hair follicles, and the whole hair roots are destroyed, showing sorghum spikes.
In the process of prevention and treatment, sick dogs should be isolated and treated in time. Sick rooms and utensils can be disinfected with hot (50℃)5% carbolic acid solution, or with hot (60℃)5% keliaolin. The sick dog can take griseofulvin 25 ~ 50mg/kg, 1 day, 1 time for 3 ~ 5 weeks continuously until it is cured. For example, subcutaneous injection of Yaomijing 888, 0.05 ~ 0. 1 ml /5 kg, 7 ~ 10 day, 1 time, 3 ~ 4 times in a row, has the best effect. Rub the affected area with the following medicines.
(1) 10% salicylic acid alcohol or ointment. Apply externally every day or every other day.
(2) Salicylic acid 6.0, benzoic acid 12.0, carbonic acid 2.0, trichlorfon 5.0 and vaseline 100 were mixed and applied externally.
(3) Mix salicylic acid 50.0, fish fat 50.0, sulfur 400.0 and vaseline 600.0 to make ointment. When in use, the scabbed skin is removed first, then washed with soapy water, and then applied every 3 days 1 time, usually 4 times to cure.
According to the author's experience, after finding out the reason, take Yaomijing 887 bath with the dilution of 1∶200, and bathe all over the body 1 time within 3 days. Yaomijing 886 liniment was used externally,/kloc-0 twice a day, and 888 Yaomijing injection was used together, and it can be cured in 2 ~ 3 weeks.