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Main Form and Characteristic of Current Pig Disease
Mixed infection and secondary infection have become the main form and characteristic of current pig disease, the pathogenys include: virus, bacterium, parasites etc.
The mixed infection of PRRS and CSF, PRRS and PCV2, PRRS and Swine Influenza, CSF and PCV2, CSF and PRV, PRRS and PRV, CSF and PRRS, Toxoplasma gondi, PRRS and Eperythrozoonosis, CSF and Eperythrozoonosis are frequent in clinic,together with infection of Haemophilus parasuis and streptococcus suis.Colibacillosis, mycoplasma hyopneumoniae, eperythrozoonosis,etc. Pathogenic diversity and complicated symptom make it difficult for diagnosis.
PRRS, PCV2,PRV, PPV,CSF,Swine Influenza,Mycoplasma hyopneumoniae,Contagious Caprine Pleuropneumonia, salmonellosis, Toxoplasma gondi are immunosuppressive diseases. The pathogeny of immunosuppressive diseases acts on immune organs and immune cells, damage the function of immune system leading to disorder of organism immune response function and cause many diseases. This is the most serious disease among pigs.