FIELD: veterinary science.
SUBSTANCE: invention relates to veterinary virology and biotechnology and concerns new murrain virus strain Aphtae epizooticae type A family of Picornaviridae, genus Aphtovirus, deposited in collection of FGBU “VNIIZZH” under registration number murrain strain A No. 2155/Baikal/2013 (industrial). Presented strain is reproduced in monolayer swine kidney cell culture (SC), continuous kidney cell cultures of siberian mountain goat (PSGK-30), VNK-21 and IB-RS-2 during 18÷24 hours of incubation of virus yield in said cell cultures reaches levels of 6.33÷7.5 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 control of antigenic and immunogenic activity and to produce biopreparations for diagnosis and specific prevention of murrain type A.
1 cl, 6 tbl, 7 ex
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