Assessing the Effectiveness of Tuberculosis Management in Brushtail Possums (Trichosurus vulpecula), through Indirect Surveillance of Mycobacterium bovis Infection Using Released Sentinel Pigs
Figure 2
Changes in possum relative abundance indices, as determined by measuring changing levels of ChewCard interference, in four blocks on Molesworth Station, following aerial poisoning of possums in October 2008. Red lines refer to reduced coverage blocks (); blue lines refer to normal coverage blocks ().
