First, two manifestations of ring virus disease 1. Porcine dermatitis nephrotic syndrome: This disease often occurs in pigs older than 12 weeks of age. The sick pig's loss of appetite, mild fever, reluctance to move, the skin has a round or irregular shape of the bulge, showing a red or purple surrounding and a black center lesion, the lesion usually appears in the hindquarters and abdomen, gradually spread to the chest or The ears are fused into strips and plaques. This type is more common in summer farms.
2. Post-weaning multisystemic wasting syndrome: This disease often occurs in pigs and growing pigs in the nursery stage. It is characterized by poor growth or stagnation, weight loss, rough hair, pale skin and difficulty breathing, sometimes diarrhea and jaundice. . Inguinal lymphadenopathy and edema of the eyelid often occur in the early stage.
Second, prevention measures
1. When dermatitis and nephrotic syndrome occurs: pig group table spray system 500ml + dexamethasone 100ml diluted 100kg water, 1-2 times a day, 3-5 days in a row; at the same time add 2kg + green benefit per ton of feed 1kg+ with 2kg of Eudragit, continuous mixing for 7 days.
2. Strengthen feeding management and environmental sanitation: regularly use 1:800 disinfection of the green ring, use the music to deworm from regular; reduce the stocking density, strengthen ventilation, reduce stress; do the work of killing mosquitoes on the farm; keep The pigs have a reasonable and balanced nutritional level; the mold should be regularly added to the batching site.
3. Prevention of dermatitis and nephrotic syndrome: usually add 1kg + green benefit 1kg + 1.5kg of Eudragit for every ton of feed, and prevent it for 5-7 days in continuous mixing.
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