It is a chronic infectious disease of rabbits, also known as sexual spiral disease and spirochete disease. Inflammation, nodules, and ulcers occur in the skin and mucous membranes other than the genitalia, face, and anus, and the lymph nodes in the affected area are characterized by inflammation. [pathogen] The pathogen is the rabbit Treponema, a slender spiral structure, usually stained with Giemsa or caryophylline, but the coloring power is poor, usually with dark field microscopy, visible rotation. It is mainly found in the external genital organs and other lesions of diseased rabbits. At present, it cannot be cultured with artificial media. The pathogenicity of the spirochetes is not strong and generally only causes local lesions in meat rabbits without involving the entire body. The resistance is also not strong, and the effective disinfectant is 1 Suer, 2% sodium hydroxide solution, and 2% formaldehyde solution. The main route of transmission is through mating through the genital tract infection, but it can also be transmitted from damaged skin through cages, bedding, feed, utensils, etc. used by rabbits. [Symptoms and Lesions] The incubation period of this disease is 2 weeks. At the beginning of the disease, redness, edema around the external genitalia and anus, penile edema, glans enlargement, edema of the vulva, and mucous or purulent discharge from the site of swelling are often seen. Nodules; ulcers formed after rupture of nodules; due to local exudate and bleeding, the formation of brown-red moult on the ulcer surface; due to partial pain and itch, the rabbits are often caused by scratching or biting the affected area with claws. Inoculation of their own, spread the infection to the face, jaw, nose, etc., but does not cause visceral changes, generally no systemic symptoms; sometimes inguinal lymph nodes and lymph nodes in the country. Rabbits lose their mating desire, pregnancy rate is low, miscarriage, and stillbirth. [Diagnosis] The diseased rabbit is mostly an adult rabbit, and the female rabbit has a low conception rate. There are no systemic symptoms in the clinical examination, and there are only lesions in the reproductive organs. Conditioned rabbit farms can be used for microscopic smears to check for Treponema pallidum. [Prevention] The introduction of meat rabbits should be done well for genital examinations, and the rabbits should be carefully examined before mating. The diseased rabbit farm should stop breeding, seriously ill persons should be eliminated, suspicious rabbits should be kept in isolation, and the contaminated cages, caustic soda used in equipment, or a solution of 1 tolerance should be thoroughly disinfected. [Treatment] In the early stage, penicillin may be intramuscularly administered to 3 adult rabbits, 20,000 units, 5 times a day for 3 days. Sinfanin Sodium (September 11), 232 mg per kilogram of body weight, formulated with water for injection or saline solution (solution, ear vein injection, repeated every two weeks. Pay attention to the current use, otherwise decomposition toxic. At the same time Penicillin is better, the affected area is washed with boric acid water or potassium permanganate solution or soapy water, and then penicillin ointment or iodine glycerine is applied, or penicillin peanut oil is used (22 ml of edible peanut oil plus penicillin, 330,000 sodium is mixed well. Can), once a day, 20 days can be cured. èŠ«è½ 2 grams, 3 grams of roots, washed and chopped, add water to cook for 10 minutes, add a little alum to wash the affected area once a day, 12 days to improve.