nMDS plots of dissimilarities between samples (a) Field collection samples, showing clustering according to disease state.

<p>“Healthy” “Diseased” and site names denote the centroids of each group and ellipses are 95% confidence ellipses. (<b>b)</b> Tank-exposed samples, showing clustering according to disease state. “Healthy” and “Diseased” labels denote the centroids of each disease state and ellipses are 95% confidence ellipses.