Decay curve relating disease incidence with surveillance efforts over time.

<p>Decay curve relating disease incidence with surveillance efforts over time.</p

A system dynamics model of the interface between surveillance and disease spread.

<p>A system dynamics model of the interface between surveillance and disease spread.</p

Alternative paths of disease incidence over time.

<p>Alternative paths of disease incidence over time.</p

Causal loop diagram of surveillance in its systems setting.

<p>Causal loop diagram of surveillance in its systems setting.</p

The effect of incorporating farm heterogeneity and/or behavioural feedback mechanisms on the observed prevalence of infected farms after a disease incursion event.

<p>The effect of incorporating farm heterogeneity and/or behavioural feedback mechanisms on the observed prevalence of infected farms after a disease incursion event.</p

Observed ecological diversities of the swine <i>S</i>. Typhimurium var. 5- AMR profiles for all values of the <i>q</i> parameter, including Species richness [SR], Shannon entropy [SE], Simpson diversity [SD], Berger-Parker [BP] for passive surveillance (red) and active surveillance (black) isolates with confidence intervals (dotted lines) for the passive surveillance sample generated by subsampling to the size of the active surveillance sample.

<p>Observed ecological diversities of the swine <i>S</i>. Typhimurium var. 5- AMR profiles for all values of the <i>q</i> parameter, including Species richness [SR], Shannon entropy [SE], Simpson diversity [SD], Berger-Parker [BP] for passive surveillance (red) and active surveillance (black) isolates with confidence intervals (dotted lines) for the passive surveillance sample generated by subsampling to the size of the active surveillance sample.</p

Observed ecological diversities of the poultry <i>S</i>. Heidelberg AMR profiles for all values of the <i>q</i> parameter, including Species richness [SR], Shannon entropy [SE], Simpson diversity [SD], Berger-Parker [BP] for passive surveillance (red) and active surveillance (black) isolates with confidence intervals (dotted lines) for the active surveillance sample generated by subsampling to the size of the passive surveillance sample.

<p>Observed ecological diversities of the poultry <i>S</i>. Heidelberg AMR profiles for all values of the <i>q</i> parameter, including Species richness [SR], Shannon entropy [SE], Simpson diversity [SD], Berger-Parker [BP] for passive surveillance (red) and active surveillance (black) isolates with confidence intervals (dotted lines) for the active surveillance sample generated by subsampling to the size of the passive surveillance sample.</p

Percentages of resistance.

<p>Percentages of resistance (% R) for isolates obtained by passive and active surveillance of swine <i>S</i>. Typhimurium var. 5- and poultry <i>S</i>. Heidelberg, including the % R of passive and active surveillance isolates found by Poppe et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0158515#pone.0158515.ref027" target="_blank">27</a>] and Johnson et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0158515#pone.0158515.ref028" target="_blank">28</a>] for comparison.</p

Number of resistant isolates (# R) and prevalences of resistance to each antimicrobial with 95% confidence intervals (CI) examined for the isolates obtained by passive and active surveillance of swine <i>S</i>. Typhimurium var. 5-.

<p>No significant differences were detected by chi-square or Fisher’s Exact tests.</p

Number of resistant isolates (# R) and prevalences of resistance to each antimicrobial with 95% confidence intervals (CI) examined for the isolates obtained by passive and active surveillance of poultry <i>S</i>. Heidelberg.

<p>No significant differences were detected by chi-square or Fisher’s Exact tests.</p