Table 1 Vaccination procedures adopted by each of the 30 herds sampled, followed by the timing of vaccine use, in the state of Goiás, Brazil (2016/ 2017)

1

Vaccine A – 7d, 21d*

Vaccine D – 21d, 35d*

None

2

None

None

None

3

Vaccine B – 21d*

Vaccine E – 30d, 50d*

None

4

Vaccine B - 21d*

Vaccine E – 30d, 50d*

None

5

Vaccine B - 21d*

Vaccine E – 30d, 50d*

None

6

Vaccine A – 15d, 35d*

None

None

7

Vaccine C – 35d*

Vaccine F – 18d, 39d*

None

8

Vaccine A – 7d, 21d*

None

None

9

Vaccine A – 21d*

None

None

10 to 30

Vaccine C – 18d*

Vaccine F – 18d, 39d*

None