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Table 1 Pathological changes in the gizzard

From: Quantity of virulent fowl adenovirus serotype 1 correlates with clinical signs, macroscopical and pathohistological lesions in gizzards following experimental induction of gizzard erosion in broilers

  

Macroscopical lesions

Histological lesions

Group

dpi

Koilin layer

Gizzard mucosa

Inclusion bodies in glandular epithelium

In-situ hybridization

SPFB

3

0/5 (0.0)a

0/5 (0.0)

0/5 (0.0)

0/5

7

5/5 (1.8)

5/5 (1.8)

5/5 (2.6)

5/5

10

5/5 (2.4)

5/5 (1.0)

1/5 (0.2)

1/5

14

5/5 (1.8)

2/5 (0.4)

0/5 (0.0)

NEb

17

4/5 (0.8)

3/5 (0.6)

0/5 (0.0)

NE

CB

3

0/5 (0.0)

0/5 (0.0)

0/5 (0.0)

0/5

7

3/5 (0.6)

3/5 (0.8)

4/5 (1.6)

4/5

10

4/5 (1.2)

5/5 (1.6)

5/5 (2.0)

5/5

14

5/5 (2.2)

4/5 (0.8)

0/5 (0.0)

NE

 

17

5/5 (1.6)

4/5 (0.8)

0/5 (0.0)

NE

  1. Specific-pathogen-free (SPFB) and commercial (CB) broilers orally infected with virulent FAdV-1 at 3, 7, 10, 14 and 17 days post infection (dpi).
  2. a No. birds positive/no. birds examined (mean lesion scores in parenthesis; no lesion = 0, mild lesions = 1, moderate lesions = 2 and severe lesions = 3).
  3. b NE – not examined.