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Randomised Badger Culling Trial: How big was the perturbation effect?

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1137 days ago
RT @bovinetb: @SteveMcCVet @PhilLatham @RosieWoodroffe @terrierview @Mr_TBFree @DenLeonard @alicksimmons @GarethEnticott @Badgergate Gibben…
1137 days ago
@SteveMcCVet @PhilLatham @RosieWoodroffe @terrierview @Mr_TBFree @DenLeonard @alicksimmons @GarethEnticott @Badgergate Gibbens said almost all evidence for perturbation comes from RBCT. Yet the bulk of those effects seen in the RBCT were due to large adjustments applied to the data. Applying those adjustments was not safe because of large confidence intervals in that data.
1137 days ago
@terrierview @Mr_TBFree @DenLeonard @PhilLatham @alicksimmons @SteveMcCVet @GarethEnticott @Badgergate I say the perturbation effect exists & can reduce the benefit of culling. However the impact in RBCT adjoining lands was not readily visible. In my view the ISG should not have added dubious adjustments & then claim the effect was visible.
1257 days ago
How dependent are these badger cull benefits on the applied adjustments? What are the TB levels in the absence of adjustments? "Evidence" for perturbation in the RBCT was largely dependent on adjustments for pre-cull history.
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Additional Information

Competing Interests

The author declares that they have no competing interests.

Author Contributions

David Hendy analyzed the data, wrote the paper, prepared figures and/or tables.

Data Deposition

The following information was supplied regarding data availability:

The research in this article did not generate, collect or analyse any raw data or code.


The author received no funding for this work.

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