Map of the study plots showing the distribution of <i>Salmonella</i> Typhimurium.

Abstract

<p>Shown are the study plots used to investigate <i>Salmonella</i> Typhimurium presence in blue and great tit nest boxes. Negative plots are indicated by grey dots, plots where <i>Salmonella</i> was found on the eggshell are represented by yellow dots and plots with nestlings carrying <i>Salmonella</i> IgY antibodies are depicted by blue dots.</p