Commercial NamePrevexxion RN
CompanyBoehringer-Ingelheim
CountryUSA
Target SpeciesDay-old Chicks
StrainRN1250: Chimera of 3 Serotype 1 strains
The RN1250 strain consists of a backbone of CVI-988 Rispens strain, combined with small portions of virulent (RM1) and very virulent (MD5) MDV strains. Attenuated by inserting an LTR of REV
CompositionRN1250: 2.9 to 3.9 log10 PFU
CommentsFrozen cell suspension in liquid nitrogen