Table 3 Virus isolations from swab samples of Gaoyou ducks of different ages inoculated either intramuscularly or intranasally and intraocularly
From: Experimental infection of duck origin virulent Newcastle disease virus strain in ducks
Age (days) | Inoculation route1 | Swab sample | Days PI | |||||
|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 5 | 7 | 9 ~ 15 | |||
15 | IM | Oropharyngeal | +2 (7/10)3 | + (10/10) | + (10/10) | + (1/8) | + (1/5) | -4 (0/4) |
Cloacal | – (0/10) | + (2/10) | + (8/10) | + (3/8) | + (2/5) | – (0/4) | ||
IN & IO | Oropharyngeal | + (9/10) | + (7/10) | + (7/10) | – (0/10) | – (0/10) | – (0/10) | |
Cloacal | + (2/10) | + (3/10) | + (2/10) | + (1/10) | + (2/10) | – (0/10) | ||
30 | IM | Oropharyngeal | – (0/10) | + (4/10) | – (3/10) | – (0/10) | – (0/7) | – (0/6) |
Cloacal | + (1/10) | + (1/10) | + (2/10) | – (0/10) | – (0/7) | – (0/6) | ||
IN & IO | Oropharyngeal | + (6/10) | + (7/10) | + (5/10) | – (0/10) | – (0/10) | – (0/10) | |
Cloacal | + (1/10) | + (1/10) | + (1/10) | + (2/10) | + (1/10) | – (0/10) | ||
45 | IM | Oropharyngeal | – (0/10) | + (2/10) | – (0/10) | – (0/10) | – (0/9) | – (0/9) |
Cloacal | – (0/10) | – (0/10) | – (0/10) | – (0/10) | – (0/9) | – (0/9) | ||
IN & IO | Oropharyngeal | + (8/10) | + (4/10) | + (4/10) | + (1/10) | + (1/10) | – (0/10) | |
Cloacal | – (0/10) | – (0/10) | + (2/10) | – (0/10) | + (1/10) | – (0/10) | ||
60 | IM | Oropharyngeal | – (0/10) | + (2/10) | – (0/10) | – (0/10) | – (0/9) | – (0/9) |
Cloacal | – (0/10) | – (0/10) | – (0/10) | – (0/10) | – (0/9) | – (0/9) | ||
IN & IO | Oropharyngeal | + (5/10) | + (6/10) | + (2/10) | + (1/10) | – (0/10) | – (0/10) | |
Cloacal | – (0/10) | – (0/10) | – (0/10) | + (1/10) | – (0/10) | – (0/10) | ||
110 | IM | Oropharyngeal | – (0/10) | + (2/10) | – (0/10) | – (0/10) | – (0/10) | – (0/10) |
Cloacal | – (0/10) | – (0/10) | – (0/10) | – (0/10) | – (0/10) | – (0/10) | ||
IN & IO | Oropharyngeal | + (4/10) | + (2/10) | + (2/10) | + (3/10) | + (1/9) | – (0/9) | |
Cloacal | + (1/10) | + (1/10) | – (0/10) | + (1/10) | – (0/9) | – (0/9) | ||