Table 3.

Properties of recombinant NDV strains: V protein and virulence.

Virus	Parent	ICPI	IVPI	MDT	Reference
rBC	Beaudette C	1.58*	1.45†	62	[26]
rBC/V-stop	Beaudette C	0.68*	0.00†	96	[26]
rBC/Edit	Beaudette C	0.72*	0.00†	98	[26]
rBC	Beaudette C	1.66	2.06	48	[24]
rBC/V-stop	Beaudette C	1.54	1.07	63	[24]
rBC/Edit	Beaudette C	1.19	0.79	80	[24]

* ICPI inoculum: 10³ PFU virus/chicken.

† IVPI inoculum: 10³ PFU virus/chicken.

V-stop: stop codon introduced in the V reading frame; silent to P reading frame.

Edit: disruption of P gene mRNA editing; inhibition of both V and W protein expression.