4  bTB case numbers and herd-prevalence by different herd-types

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4.1 Cases over time

4.1.1 by year:

Figure 4.1: Number of bTB cases by year and diagnostic method.

4.1.2 by month:

Figure 4.2: Number of bTB cases by month and diagnostic method.

4.1.3 by herd-type

Figure 4.3: Number of bTB cases by year, herd-type and diagnostic method.

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4.2 Proportion of cases by herd-type

4.2.1 AHCS

Figure 4.4: Proportion of cases by AHCS herd-type.

4.2.2 Brock et al. herd-types

Figure 4.5: Proportion of cases by Brock et al. herd-types.

4.2.3 Brock et al. herd-types (sub-groups)

Figure 4.6: Proportion of cases by Brock et al. herd-type sub-classes.

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4.3 Herd-level bTB prevalence

4.3.1 Overall prevalence

Figure 4.7: Herd prevalence

4.3.2 Brock et al. herd type prevalence

Figure 4.8: Herd-level prevalence by Brock et al. herd-types

4.3.3 Brock et al. herd type prevalence by county

Figure 4.9: Herd-level prevalence for counties by Brock et al. herd types.

4.3.4 Brock et al. herd type sub-classes prevalence

Figure 4.10: Herd-level prevalence for counties by Brock et al. herd type sub-classes.

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