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. 2015 Aug 10;10(8):e0133764. doi: 10.1371/journal.pone.0133764

Fig 2. Abundance of β-lactam and multidrug resistance genes in fecal samples collected from control (n = 3) and ceftiofur crystalline free acid treated (n = 3) cows on 3 post-treatment.

Fig 2

Day 0 (pre-treatment) samples were used as a covariate. Values are expressed as a percentage of the total sample sequences (x 10−6). The symbol * indicates significant (P ≤ 0.10).