FIELD: medicine; veterinary science.
SUBSTANCE: produced plasma after it is separated from blood and refined from trypanosome deposition is processed with 20-25% polyethylene glycol solution taken in proportion equal to blood plasma volume. Then produced mixture is kept at room temperature for 12-15 min, recentrifuged at 6000 revolutions/min for 15-20 min, after that supernatant is removed, and produced deposition is used as trypanosome exoantigen for serological reaction. At that its activity should be 95-97%.
EFFECT: timely finding of sick animals and possibility to take emergency measures for invasion elimination.
2 tbl
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