STUDY OF PROTECTIVE PROPERTIES AND INTENSITY OF INDUCING IMMUNITY OF THE VACCINE STRAIN G20-LKV OF GOAT POX DURING IMMUNIZATION OF SHEEP AGAINST SHEEP POX

The article presents the results of studies to determine the immunogenicity of sheep pox vaccine based on the G20-LKV strain of goat pox virus. In experiments conducted on sheep aged 6-12 months, it was found that a heterogeneous sheep pox vaccine has high immunogenicity for sheep.Immunization caused the formation of viral neutralizing antibodies in the blood of sheep in high titers and ensured the formation of intense immunity, which was confirmed by the results of control infection of sheep with virulent sheep pox virus, strain "Afghan". The animals of the control group reacted to infection and became ill with characteristic clinical signs of sheep pox (hyperthermia, papules and pustules at the injection site).Vaccinated animals did not have clinical signs characteristic of sheep pox, during 14 days of observation. The general condition of the animals was satisfactory, no side effects, swelling and development of the smallpox process at the injection site were detected.

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