FIELD: veterinary virology, biotechnology.
SUBSTANCE: invention relates to the strain "K-58" that is deposited in the Collection FGU VGNKI at the registration number '"K-58" № 122 - DEP". The strain is reproduced in 9-11-old SPF-chicken embryos with titer value of biological activity 5.5-7.0 lg EID50/0.2 cm3. The strain is stable and harmless. Its attenuation stability is found in carrying out 5 passages in sensitive chickens. The strain shows high biological, immunogenic and antigenic activities in native state and after inactivation and useful for preparing highly specific and sensitive diagnostics and harmless live and inactivated vaccine preparations.
EFFECT: valuable veterinary properties of strain.
7 tbl, 8 ex
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STRAIN "DD1" OF A VIRUS OF INFECTING BURSAL DISEASE OF THE HEN OF BIRNAVIRIDAE FAMILY, AVIBIRNAVIRUS GENUS, SEROTYPE 1 FOR PRODUCTION OF INACTIVATED SORBED AND EMULSIFIED VACCINES | 2018 |
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Authors
Dates
2006-01-27—Published
2004-07-05—Filed