Brucellosis, also known as infectious abortion, is a chronic infectious disease of people and livestock. The main harm human, animal reproductive organs. 1. The transmission of pathogens and diseases The pathogen of this disease is Brucella, a very small spheroids. The bacteria are exposed to infections through the respiratory tract, digestive tract and trauma through the fetus, amniotic fluid, breast milk, feces and vaginal secretions. 2. Symptoms Under normal circumstances, sheep and goats do not show systemic symptoms after suffering from this disease. Ewes flow, rams are characterized by orchitis. Ewes abortions occur mostly in the later stages of pregnancy (3-4 months). Loss of appetite, lack of energy, swelling of the labia and breasts, outflow of yellow mucus, or secretion of blood from the vulva are common before 2-3 days of miscarriage. Abortion often results in stillbirths or weak babies. , Often accompanied by metritis, mastitis, severe uterine pus, long-term unhealed. However, most of them are able to get pregnant and give birth normally after the first abortion. However, often carriers of bacteria that do not show symptoms are contagious to healthy people and animals. When the disease is severe, the abortion of goats can reach 50-90% of sheep up to 40%. Infertility accounts for 10-20% due to miscarriage. Rams have orchitis, local redness, swelling, heat, pain, lack of energy, loss of appetite, loss of libido. 3. Control (1) lyophilized Brucella sheep type 3 vaccine, subcutaneous injection of 1 ml, immunization period of 1 year. (2) Strict isolation of diseased goats. Aborted fetuses should be buried deeply. Contaminated sheep pens and sites can be thoroughly disinfected with 1% bleach, 3% suzi or 20% lime milk. (3) The treatment of penicillin, streptomycin, chlortetracycline, coleomycin, or sulfa drugs may be used to treat the diseased sheep. China Agricultural Network Editor
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