ANTIBODI’S PRESENCEIN A SAMPLEX BLOOD SERUM OF TRIAL CATTLE LEUKOSIS UNDER THE INFLUENCE OF TERM AND CONDITIONOF KEEPING
Research of antibody’s presence in the samples blood serum of trial cattle leukosis under the influence of term and condition of keeping. Analysed of influence of these processes on the antibodies presence in the saves samples. Research of blood serum was done before keeping and after.It is shown that the storage of serum for 1 month at -20 ° C did not significantly affect the content of antibodies in the stored samples. At that time, the level of antibodies in the serum samples, which lasts for 10 months at -20 ° C, declined.