Fig. 1From: High dietary zinc supplementation increases the occurrence of tetracycline and sulfonamide resistance genes in the intestine of weaned pigsTime dependent effect of antibiotic resistance development. Combined data from all intestinal sites; open bar low dietary Zn; bar with diagonal lines intermediate dietary Zn; hatched bar high dietary Zn; a,bSignificantly different; * = trend (p < 0.1) for difference to low and intermediate dietary Zn groups. a tetA gene; b sul1 geneBack to article page