Skip to main content

Table 4 Virus distribution in tissues of Gaoyou ducks of different ages inoculated either intramuscularly or intranasally and intraocularly on days 3 and 5 PI

From: Experimental infection of duck origin virulent Newcastle disease virus strain in ducks

Age (days)

Inoculation route1

Days PI

Brain

Live

Spleen

Pancreas

Heart

Kidney

Thymus

Harderian gland

Bursa of Fabricius

Lung

Laryngotrachea

Small intestine

15

IM

3

-2 (0/2)3

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+4 (1/2)

+ (2/2)

+ (2/2)

+ (2/2)

– (0/2)

+ (2/2)

+ (1/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

+ (2/2)

+ (2/2)

– (0/2)

+ (2/2)

– (0/2)

IN & IO

3

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

+ (1/2)

– (0/2)

+ (1/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+ (2/2)

– (0/2)

+ (2/2)

– (0/2)

– (0/2)

– (0/2)

30

IM

3

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+ (2/2)

– (0/2)

– (0/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

IN & IO

3

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

+ (1/2)

+ (1/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

45

IM

3

+ (1/2)

– (0/2)

+ (1/2)

– (0/2)

+ (1/2)

+ (1/2)

+ (2/2)

+ (1/2)

+ (1/2)

+ (1/2)

+ (1/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

IN & IO

3

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

60

IM

3

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

IN & IO

3

– (0/2)

– (0/2)

– (0/2)

+ (2/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

110

IM

3

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

+(1/2)

– (0/2)

– (0/2)

+(1/2)

– (0/2)

– (0/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

IN & IO

3

– (0/2)

– (0/2)

– (0/2)

+(1/2)

– (0/2)

– (0/2)

+ (1/2)

+ (1/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

5

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

– (0/2)

  1. 1IM: inoculated intramuscularly; IN & IO: inoculated intranasally and intraocularly.
  2. 2Both samples were virus isolation negative.
  3. 3Number of positive samples/total number of samples.
  4. 4At least one sample was virus isolation positive.