FIELD: veterinary medicine.
SUBSTANCE: method of producing a transfer factor for the prevention of viral bid diseases, comprising preparing lymphocytes extract, hydrolysis by DNA, dialysis with subsequent preservation or lyophilization the title product, wherein the spleen of vaccinated against one or more infections, or recovered chickens or chickens is taken as a lymphocyte source.
EFFECT: efficient preparation of the transfer factor from an extract of lymphocytes with increased yield.
2 tbl, 2 ex
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| WAY TO PREVENT VIRAL DISEASES OF BIRDS | 2015 |
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