porcine red cell, prevention and control measures-九游会旧版

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porcine red cell, prevention and control measures
add time:2012.08.22    views:481

eperythrozoonosis is a kind of anemia as the main features of infectious diseases currently popular in pig industry, in recent years due to the disease caused by the death of pigs, the pig industry suffered serious losses.
epidemiology
this disease can occur in all ages of pigs, but pigs and feeder pigs grew better during the course of the disease with high mortality, mortality and elimination rate of 30% ~ 50%. the incidence of the disease has no obvious seasonal, but in warm season, the temperature is over 20 deg c, humidity of about 70%, especially after the rain occurs most often, especially in a large number of blood sucking insects derived breeding in summer and autumn, is endemic.
route of infection
mainly transmitted by blood sucking insects, pig lice, insects, mites, ants, and contaminated needles. they can also be mated by sows and transmitted vertically to the piglets via the womb.
clinical symptom
acute type. this type of case is rare, often manifested as sudden onset of death, bleeding after the nose and mouth, systemic red purple, the course of the disease for tens of minutes to 3 days.
subacute. at the early stage of the disease, suffering from anorexia, rich pig spirit, appetite increase, temperature 40 to 42 deg c, fever; after the appetite waste away, appetite decreased significantly; with pig trembling, circling unwilling to stand, outlier lying, oliguria yellow, early disease with pork chop sheep dung egg samples, attachment viscous fluid or mucous membrane; late diarrhea and constipation or sometimes appear alternately. some sick pig ears, neck, chest, abdomen, limbs and other parts of the inside skin of red and purple, pressure does not fade, and the pores appear pale yellow sweat, some pigs two hind limb occurred paralysis, can not stand, recumbency; some pigs salivation, dyspnea, cough, eye conjunctival inflammation. the course of disease ranged from 3 days to 7 days, or died or turned to chronic disease.
chronic type. with the pig body temperature at about 39.5 deg c, poor appetite, mainly manifested as anemia and jaundice, body pale, confused haired dull, skin cracking, shedding layers, but no itching, jaundice degree, skin and conjunctiva pale yellow, some dark yellow, stool like chestnut, with dark brown to the bright red blood surface. the main manifestation is anemia. in the absence of laboratory, the blood collected from the diseased ear vein of pigs is light and smooth, without stickiness and bad coagulation, which can be used as an important basis for further diagnosis.
treatment plan:
scenario 1:
according to the 30 meters with hin mg per kg of body weight deep intramuscular injection, once a day, 3 times for, with the use of blood 2 ml / head, vb12 injection 2 ml to 5 ml, 10 ml / bupleurum injection (pig), head of the general can control the disease, hypothermia, improvement of the severity of the disease in pigs should adopt strong heart infusion.
scenario two:
pigs every year season, with the morninglight honggong chain scattered, static mycoplasma drugs such as prophylaxis

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