Ascariasis is an internal parasitic disease of sheep. It is widely distributed and can cause sheep to be stunted or even die. 1. Pathogen The pathogen of this disease is aphids. There are three genera of grasshoppers parasitizing in the small intestine of the sheep, namely Monitzia aphid, Quercus uterus, and A. globosum. The worms are flat and white ribbons, and are divided into three parts: the head section, neck and body segments. The locust is hermaphroditic, with a total length of 1-5 meters. Each section includes 1-2 male and female genital organs and is self-fertilized. The piece is excreted with the feces, the piece is disintegrated, the eggs are swallowed by the mantle, and the six-hoofed egg in the egg develops into an infectious cysticercus in the body within 1-2 months. After the soil of the cysticercosis pupa was larvae, the larvae adsorbed on the mucous membrane of the small intestine and developed into adults after about 40 days. The disease is mainly harmful to young goats aged from 1.5 to 8 months, and the infection rate of sheep over 2 years of age is extremely low. 2. Symptoms When the sheep is mildly infected with no complications, the general symptoms are not obvious. Infected lambs, due to the body's absorption of nutrients in the small intestine, secretion of toxins, and mechanical obstruction, so that the sheep lost appetite, like drinking, Weight Loss, anemia, edema, hair removal, abdominal pain and belching, alternating diarrhea and constipation, Lymph nodes. Mites are mixed with feces. In the late period of illness, the spirit was highly depressed, and the lying land could not afford it. Some of the sheep also experienced neurological symptoms such as convulsions, depressors or swirling movements, foaming at the mouth, and finally death. 3. Prevention (1) Manure should be promptly removed, accumulated fermentation treatment to kill eggs. And do regular insecticide. (2) Sulfodidichlorophenol treatment, dose 100 mg per kilogram of body weight, one-time oral. (3) The treatment of chlordone chlorsulfuron (Feizhiling) is given at a dose of 50-75 mg/kg body weight and taken orally. (4) phenylthioimidazole (anti-precipitation) treatment, dosage 10-15 mg per kilogram body weight, disposable oral administration. China Agricultural Network Editor
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