Table 3 Summation of positive sera from the unvaccinated flocks

1

0

0

4/29

4/29

-

2

0

5/29

2/25

5/29

0/25

3

< 1

6/29

5/27

6/29

0/29

4

0

11/29

10/29

11/29

0/29

5

3

11/29

4/6

13/29

2/6

6

0

1/29

2/27

2/29

1/27

7

0

6/29

6/25

9/29

3/25

8

< 1

6/30

5/30

6/30

0/30

9

0

7/29

12/29

14/29

6/29

10

0

1/29

1/29

1/29

0/29

11

< 1

3/29

5/29

5/29

2/29

12

0

0/30

0/29

0/30

0/29

14

< 1

1/29

2/28

2/29

1/28

15

< 1

9/29

9/28

9/29

0/28

16

< 1

8/29

8/29

9/29

1/29

17

< 1

15/29

16/29

16/29

1/29

18

< 1

1/29

1/29

1/29

0/29

20

< 1

8/29

6/25

8/29

0/29

21

< 1

3/29

2/29

3/29

0/29

22

< 1

8/29

9/29

10/29

1/29

23

< 1

7/29

7/29

8/29

1/29

24

0

2/29

1/19

2/29

0/19

25

< 1

5/29

4/25

5/29

0/25

26

1

6/29

6/29

6/29

0/29

27

< 1

4/29

5/29

6/29

2/29

29

0

3/29

2/27

3/29

0/27

32

0

1/29

2/29

2/29

1/29

33

< 1

2/29

2/28

2/29

0/28

34

< 1

3/29

6/29

7/29

4/29

35

< 1

5/29

10/29

10/29

5/29

37

< 1

1/29

2/26

2/29

1/26

40

< 1

0/29

-

0/29

-