Skip to main content

Advertisement

Table 8 Virus titers in cloacal and oropharyngeal swabs from geese

From: Phylogenetic relationships and pathogenicity variation of two Newcastle disease viruses isolated from domestic ducks in Southern China

Strains Days post-inoculation (log10EID50/0.1 mL) ± SDa
3 Day 5 Day 7 Day 9 Day 11 Day
Oropharyngeal swabs Cloacal swabs Oropharyngeal swabs Cloacal swabs Oropharyngeal swabs Cloacal swabs Oropharyngeal swabs Cloacal swabs Oropharyngeal swabs Cloacal swabs
SS-10 Infected b 2.67 ± 0.79(5/6) 1.60 ± 0.14(3/6) 1.67 ± 0.14(2/3) 1.92 ± 0.72(1/3) ND d (0/3) 1.88 ± 0.53(2/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3)
Contact c 1.58 ± 0.14(1/3) 2.08 ± 1.01(2/3) 1.58 ± 0.14 (1/3) 3.00 ± 1.30(2/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3)
NH-10 Infected 2.38 ± 0.38(6/6) 2.08 ± 0.90(2/6) 2.17 ± 1,15(1/3) 1.75 ± 0.43(1/3) 1.58 ± 0.14(1/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3)
Contact 3.17 ± 0.95(3/3) 2.00 ± 0.66(2/3) 1.58 ± 0.14(1/3) 1.75 ± 0.43(1/3) 1.58 ± 0.14(1/3) 1.58 ± 0.14(1/3) ND(0/3) ND(0/3) ND(0/3) ND(0/3)
  1. aFor statistical purposes, a value of 1.5 was assigned if virus was not detected from the undiluted sample in three embryonated hen’s eggs [17].
  2. bGeese inoculated with virus.
  3. cNaive contact geese housed with those inoculated.
  4. dNo detected.