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Table 1 Clinical Signs scores of SPF chickens inoculated with IBV strains IBV/MNIBV infectious bronchitis virus

From: Assessment of pathogenicity and tissue distribution of infectious bronchitis virus strains (Italy 02 genotype) isolated from moroccan broiler chickens

IBV/MN Strain

      

Days Post inoculation

Clinical Score (0 to 3)

 

No Signs (0)

Sneezing (1)

Tracheal Rale (2)

Pulmonary Rale (2)

Sick (3)

Day Score

1

5/10

3/10

1/10

0/10

1/10

8

2

3/10

4/10

2/10

0/10

1/10

11

3

1/10

3/10

3/10

0/10

3/10

18

4

0/10

4/10

4/10

0/10

2/10

18

5

0/10

3/10

3/10

2/10

2/10

19

6

0/7

4/7

2/7

0/7

1/7

11

7

1/7

4/7

1/7

0/7

1/7

9

8

2/7

3/7

1/7

0/7

1/7

8

9

2/7

3/7

1/7

0/7

1/7

8

10

2/7

2/7

1/7

0/7

1/7

7

11

3/7

3/7

1/7

0/7

0/7

5

12

4/7

2/7

1/7

0/7

0/7

4

Total score

126

  1. IBV infectious bronchitis virus
  2. SPF Specific pathogen free
  3. IBV/MN infectious bronchitis virus sampled from Meknes Tafilalet region
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BMC Veterinary Research

ISSN: 1746-6148

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