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Table 3 Properties of recombinant NDV strains: V protein and virulence.

From: Virulence of newcastle disease virus: what is known so far?

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]

  1. * ICPI inoculum: 103 PFU virus/chicken.
  2. † IVPI inoculum: 103 PFU virus/chicken.
  3. V-stop: stop codon introduced in the V reading frame; silent to P reading frame.
  4. Edit: disruption of P gene mRNA editing; inhibition of both V and W protein expression.