Why do pigs have blue ears?
Any disease caused by damage to the heart and blood vessels can cause blue hair in the ears, especially in the case of mixed infections of various diseases.
Is blue ear disease harmful?
Blue ear disease is a disease caused by porcine reproductive respiratory syndrome virus. In addition to damage to blood vessels and blue ear, it damages the lungs and causes pneumonia, damages the uterus and the fetus, causes stillbirth, miscarriage, mummies, premature birth and weakened piglets. This piglet died shortly after birth and it is difficult to survive to the weaning period. After the delivery of metritis and postpartum milk or no milk, the piglets are strong again, it is difficult to survive because of the lack of milk. Artificial feeding of milk is difficult to survive due to the lack of maternal antibodies, and it is easy to be infected by various pathogens.
What kind of medicine is used for blue ear disease?
Blue ear disease is a virus-induced disease, and there is currently no specific antiviral drug for only one reason. Simple blue ear disease has a low mortality rate after weaning. But why is the mortality rate so high now? This is because there are currently three major epidemics, namely blue ear disease, toxoplasmosis, and swine flu, all of which destroy immunity. Other kinds of pathogens, even the original pathogens have not come to help, pigs face a variety of pathogens, it is impossible to prevent. In this case, it is easy to cause immune damage to the vaccine. Many farmers have found that the swine fever vaccine has been used when they bought the pig for three months, but the dead pig has obvious swine fever lesions (the lymphoid appearance of the lymph node, the needle of the kidney anemia) Hemorrhage, needle-like hemorrhage of the bladder mucosa, and ileocecal flap with a button-like swelling). Once the concomitant swine fever is cured, there is no cure. To this end, it is emphasized that the dead pigs should be personally analyzed. It is found that the above changes are immediately vaccinated with 4 to 8 times the amount of swine fever vaccine (no double or triple vaccine, too much reaction), and then the symptomatic pigs are injected first. And each pig should change the needle, pay attention to disinfection to prevent infection. The sooner the vaccination is, the more vaccination will occur, and the more the vaccination will be ineffective.
It is the main contradiction to reduce the resistance of several epidemic infections. How to improve the resistance of pigs?
Scientists have long discovered that Toxoplasma gondii-immunized mice not only produce specific resistance to Toxoplasma gondii, but also exert strong resistance to many bacteria and viruses, especially intracellular microorganisms, and improve the body's immunity to eliminate pathogens from the body.
We add immunopotentiators to inactivated vaccines to have good control effects on Toxoplasma gondii, rapid immunization to produce non-specific resistance, and strong killing ability against a variety of intracellular microorganisms. After several million heads of various animal applications, good results have been achieved. However, it can not cure all diseases, especially for the treatment of swine fever. To this end, as long as the pigs that have not been vaccinated against the hog cholera vaccine are used, in the case of applying the immune-enhanced Toxoplasma gondii inactivated vaccine, the other part should be inoculated 4 times to 8 times (by pig size). Good results. However, the pig treatment of piglets has been ineffective and cannot replace the swine fever vaccine.
After the occurrence of blue ear disease, abortion, stillbirth, premature birth and weak birth will occur in the injection of various drugs for sputum?
These symptoms are caused by the blue ear virus directly entering the fetus from the uterus to cause fetal infection, regardless of medication. This should be explained before applying any medicine for this purpose.
However, the injection of dexamethasone, prednisone, cortisone and other hormones, health pigs must cause miscarriage after injection is a medical accident. Moreover, these drugs destroy the immunity and are relieved immediately after use. After stopping the drug, it is more serious than before and cannot be used.
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