FIELD: veterinary science.
SUBSTANCE: invention relates to veterinary virology and biotechnology and concerns new murrain virus strain epizooticae type A fam. Picornaviridae, genus Aphtovirus, which is deposited in collection of FGBU “VNIISZH” under registration number murrain strain 2166/Krasnodarskiy/2013 (production, control of cattle). Presented strain is reproduced in primary trypsinated monolayer swine kidney cell culture (KC), passaged siberian mountain goat kidney cell cultures (PSGK-30), VHK-21 and IB-RS-2. During 18÷24 h of incubation virus yield in said cell cultures reaches 6.0÷7.33 lg TCD50/cm3. Multiplicity of infection (1÷10 TCD/cell) causes CPP after 5 hours, maintaining initial characteristics, when passaging in cell cultures throughout 5 passages.
EFFECT: presented strain may be used for antigenic and immunogenic activity and to produce biopreparations for diagnostics and specific prevention of murrain type A.
1 cl, 6 tbl, 6 ex
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