A viral diagnostic survey of Spanish rainbow trout farms: II IPNV serotypes.
Rodriguez, S., Perez, S. and Vilas, P.
Bull. Eur. Ass. Fish Pathol.
IPN virus was found in 94 of 248 rainbow trout populations studied from 31 Spanish farms throughout a 3 years survey. Serotyping of IPNV strains was carried out with the following results: 80.5% Sp, 19.14% Ab strains and no VR-299.