Core Tip: This article introduces the diagnosis and treatment of porcine somatic feed poisoning complicated with erythrocyte disease for the reference of the farmers, see below for details.
1 Disease introduction
Liu has many years of farming experience, usually his own ingredients. There are 30 pigs in existence, including one pregnant sow, one fattening pig (about 100kg), and another 28 piglets purchased from the market before January. This batch of piglets showed diarrhea symptoms a few days after they arrived home. At the time, one pig died, and the medication was used to control the condition. Then immunize piglets, pig erysipelas, and pig lung disease. However, in a few days, the piglets in this batch continued to develop symptoms, and diarrhea symptoms appeared. Liu bought the medicine by himself, and injected "Haida" injection, dexamethasone, An Naca, sputum and other drugs, and norfloxacin. After taking the medicine, it played a certain role, but still failed to control the disease, and 2 piglets have died. The sow and fattening pigs are basically normal.
2 clinical symptoms
The sick pig is depressed, the appetite is reduced or even abolished, black stools are discharged, the body temperature rises, the breathing is short, some are lying down, and the mucous membranes are flushed and yellow stained. The ear, the inner side of the limbs and the abdomen skin are slightly purple, the finger pressure fades, the abdominal pain, some of the skin is pale, some of the skin is slightly red, the coat is rough, the ears are cuffed, the edges are rolled up, the weight is thin, and the growth is slow.
3 pathological changes
After the necropsy of 2 dead pigs, the main pathological changes were: bleeding under the skin, yellow staining under the skin. Oral mucosal hemorrhage, dehydration, laryngeal cartilage bleeding, yellow staining, mucus in the trachea, tracheal bleeding, a small amount of yellow liquid in the chest, a small amount of yellow liquid in the pericardium, bleeding spots on the surface of the heart, congestion of the lungs, edema, necrosis. The spleen is swollen and soft, and there are many small infarcts on the edge. The liver has many white necrotic lesions of varying sizes, the liver is hard and the texture becomes brittle. Gallbladder atrophy, less bile, light color, gallbladder mucosal bleeding, edema on the inner wall. Severe congestion, bleeding, many ulcers, necrotic spots, mucosal detachment, duodenal hemorrhage, cecal mucosal hemorrhage, edema, rectal mucosal hemorrhage, edema, mesenteric lymph node congestion. Pig e-net users introduced that there are bleeding spots on the surface of the kidney, the appearance of edema, face valgus, bladder mucosa, slight bleeding, yellow urine, sticky oily. The blood is thin, the color is light, and the blood is coagulated badly.
4 Diagnosing
4.1 laboratory diagnosis
4.1.1 Take the mucus in the tracheal tube and place it on the slide. Add 1 drop of 20% potassium chloride solution. After adding the cover glass, microscopic examination will reveal a number of radial hyphae and a large number of mold spores.
4.1.2 Blood of sick pigs and blood of dead pigs.
4.1.2.1 Smear staining: blood smear, Wright's staining, microscopic examination showed that the red blood cells were light pink, and the red blood cells contained spherical, ring-shaped and other pale purple particles.
4.1.2.2 Direct microscopy: Dilute the blood with 2 times the amount of saline, drop 1 drop on the slide, and add a cover slip. Under the microscope, it can be seen that the red blood cells are serrated, cauliflower-like, star-shaped, etc., spherical and punctate pathogens are observed in plasma and red blood cells, and a cluster of bright spotted pathogens can be seen in the red blood cells.
4.2 Comprehensive analysis of
Upon inquiry, the feed (corn and rice bran) has been moldy. Comprehensive analysis and diagnosis of pig mold feed poisoning and erythropoietin disease.
5 treatment measures
5.1 Immediately stop feeding the moldy feed and feed the compound feed.
5.2 Drink water with a concentration of 1 ‰ copper sulphate for 3-5 days.
5.3 Add nystatin to the feed in 2-3 million units (kg body weight), and add appropriate amount of vitamin C powder and vitamin K3 powder.
5.4 intramuscular injection (1) mixed 914A (main components sulfa 6 methoxypyrimidine, trimethoprim, amino acid, pyrrolidone, etc.), 0.2 ml per kilogram of body weight, once a day, for 3 days; (2) fast Kang (The main ingredient is Astragalus polysaccharide), 0.2 ml per kilogram of body weight, once a day, for 3 days.
5.5 Add oxytetracycline to the feed (add 1kg per ton of feed) for 7 days. After taking the above measures, the remaining pigs recovered and returned to normal.
6 Summary
6.1 For moldy feed Many farmers feel that it is a pity to throw away, often with the luck of adding, or adding a small amount, which is often not worth the loss.
6.2 Porcine erythrocyte disease should generally be based on prevention. 500 g of oxytetracycline can be added per ton of feed.
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