Fig. 1
From: Patterns of antimicrobial resistance in Salmonella isolates from fattening pigs in Spain
Venn diagrams illustrating the number of resistotypes in Salmonella isolates of serotypes Typhimurium, Rissen, Derby, and 1,4,[5],12:i:- from pigs recovered through the Spanish Veterinary Antimicrobial Resistance Surveillance Network programme. (a) contains 1,154 isolates with seven antimicrobial susceptibility results between 2001 and 2013 (D_am7); (b) contains 680 isolates with ten antimicrobial susceptibility results between 2008 and 2017 (D_am10)