Table 2 Summary of the number of animals sampled at each time point

C1

Cohort 1

11

11

11

11

11

11

8

Cohort 2

11

11

11

11

11

11

10

Cohort 3

11^a

11

11

11

11

11

9

Cohort 4

11^a

11

11

11

11

11

9

C2

Cohort 1

11

11

10

10

13

13

13

Cohort 2

11

11

11

11

12

10

8

Cohort 3

11^a

10

10

10

9

9

6

Cohort 4

13^a

12

13

12

8

7

6

O1

Cohort 1

11

11

11

11

12

12

11

Cohort 2

11

11

11

12

11

10

9

Cohort 3

11^a

11

10

10

10

10

8

Cohort 4

11^a

11

11

11

11

10

8

O2

Cohort 1

11

2^b

11

11

11

8

8

Cohort 2

11

8^b

12

12

12

14

13

Cohort 3

11^a

9

10

10

10

11

8

Cohort 4

11^a

13

12

12

12

8

8