The temperature in the spring is gradually rising, but the weather is hot and cold. With the arrival of rainwater solar terms, the humidity has also become higher, so that the germs are breeding environment. The farmers who raise sheep are certainly familiar with sheep streptococci, then you will find it in time? Will you treat it in time? Here's how to prevent and treat streptococcosis.
Streptococcus suis is a serious epidemic disease of sheep and goats. It is an acute heat-borne disease caused by hemolytic streptococcus, which occurs mostly in the cold season of winter and spring (from November to April of each year). The disease is mainly transmitted through the digestive tract and the respiratory tract. Its clinical features are mainly mandibular lymph nodes and swollen throat.
Symptoms of sheep at the beginning of the illness, lack of appetite, or loss of appetite, ruminant stop, unstable walking; conjunctival congestion, tearing, then purulent discharge; nasal fluid serous nasal fluid, then become purulent; mouth sputum, body temperature rise Up to 41 ° C, throat, tongue swelling; fecal soft, with mucus or blood; pregnant ewes abortion; some disease sheep eyelids, lips, cheeks, breast swelling, sputum, molars, convulsions before dying. Acute cases have difficulty breathing and die within 24 hours. Under normal circumstances, 2 to 3 days of death.
Diagnosis can be initially diagnosed based on clinical symptoms and necropsy changes, combined with epidemiology. The diagnosis can be carried out in the laboratory. The microscopic examination of the bacteria is mostly spherical, stranded or single, surrounded by capsules, and Gram staining is positive.
Prevention method:
Improve grazing management conditions, keep warm and windproof, antifreeze, anti-crowding, prevent disease sources.
Regularly eliminate parasites inside and outside the sheep.
Do a good job in the disinfection of sheep pens and venues and utensils. Pre-injection of streptococcus aluminum hydroxide formaldehyde vaccine is applied before the winter. The sheep are not divided into small and small, all subcutaneous injections are 3 ml, and the lambs within 3 months are immunized once every 14 to 21 days.
After the onset, the diseased sheep and suspicious sheep should be separately treated, and the site, equipment, etc. should be strictly disinfected with 10% lime milk or 3% of the camel, and the sheep dung and dirt will be fermented and the diseased sheep will be harmlessly treated. .
Each diseased sheep was intramuscularly injected with penicillin 30-600,000 international units once a day for 3 days. Intramuscular injection of 10 ml of 10% sulfathiazole once daily for 3 days. Can also be administered with sulfadiazine or chlorobenzenesulfonamide 4 to 8 grams, 2 times a day for 3 days.
You must pay attention to the warmth and antifreeze of the sheep, keep the bar clean, regular disinfection, and prevention is the most important thing, because once the disease occurs, the consequences are still very serious. So be sure to remember to do prevention. Prevent problems before they happen. Huinong School has more relevant agricultural technology knowledge, and continue to pay attention to the Hui Nong School to answer questions during your breeding process.
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