Newcastle Vaccine strains

Newcastle Vaccine strains

Newcastle disease vaccine strains and ICPI

Virus Strain  ICPI
V4 0.0 (L)
PHY.LMV.42 0.0-0.16 (L)
VH  0.15 (L)
 Hitchner B1  0.2 (L)
 Ulster 2C  0.14-0.23 (L)
 0.2 (L)
 LaSota  0.4 (L)
 Komarov  1.41 (M)
 Roakin  1.45 (M)

L= Lentogenic; M= Mesogenic

VG/GA strain was isolated by Drs. Pedro Villegas and John Glisson at the University of Georgia from the intestinal tracts of turkeys.
LaSota strain: the strain had been isolated from the farm of Adam LaSota in Westwood, Bergen County, New Jersey. He had submitted chicks for postmortem examination on February 6, 1946, and Newcastle disease virus was isolated from the specimens and identified on 22 February 1946.