Since June 2011, some pigs in some pig farms in Xingtang County have developed infectious diseases with difficulty in breathing, cough, elevated body temperature and anemia. The incidence rate is high, the speed of transmission is high, and the mortality rate is high. The household has brought huge economic losses.
1. Clinical symptoms The sick pigs are unstable. Most of them are lying on the ground. When they barely stand, the muscles of the legs are trembled. The body temperature rises to 40C-41°C, coughing, runny nose, difficulty breathing, and abdominal breathing. There are blue and purple areas on the limbs, buttocks and under the abdomen. The ear tips are bloody, and some blue-violet areas reach the middle and lower parts of the ear. The sick pigs are piled up, yellow urine, diarrhea, yellow stool, and spherical feces in the stool.
2. Pathological changes The blood of the dead pigs is thin; the liver and spleen are swollen; the throat and trachea have a small amount of mucus; the lungs are swollen on both sides, the congestion and emphysema are different, and the chest wall is adhered; the pleural effusion contains cellulose. Exudates; pulmonary interstitial widening, bleeding spots of varying sizes on the surface; mediastinal lymph nodes and hilar lymph nodes swelling, alveolar bleeds, severe fluid outflow from the cut surface, some showing meaty lesions, some appear large Fast hemorrhagic necrosis; the heart and ears of the heart are obviously bloody, purple; the kidney has a scattered hemorrhage.
3. Diagnosis
According to the current epidemiological characteristics of swine diseases, changes in the department, laboratory tests and clinical symptoms, the comprehensive diagnosis is a mixed infection of porcine erythroblastosis and pleuropneumonia.
4. Drug treatment
4.1 Intramuscular injection of florfenicol injection and "Chen Chen Huang" injection (main component: trinitropurine, produced by Jiangxi Best Pharmaceutical Factory), intramuscular injection of sulfamonomethoxine sodium and astragalus polysaccharide injection in the afternoon Liquid, continuous medication for 5 days.
4.2 Use iodine-containing and chlorine-containing disinfectant alternately to disinfect the walls, floors and utensils of the pens. The disinfection should be strict and thoughtful, leaving no dead ends.
4.3 Mix the “Red Bow Chain Anti-Dispersion†(main components: sulfamonomethoxine, doxycycline hydrochloride, organic arsenic preparation, VBI, B12, and guide factor) and doxycycline and yellow polysaccharide to control Secondary infection, promote the body's active immune function, while adding high-quality multivitamin B and electrolysis in drinking water every day, enhance the disease resistance of pigs. After 7 days of return visit, the symptoms of the herd disappeared and the sick pigs recovered.
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