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Table 2 Shannon diversity index of each group analyzed

From: Genotype variation and genetic relationship among Escherichia coli from nursery pigs located in different pens in the same farm

Group/level N isolates N clusters Shannon diversity index
Pen 1 180 11 2.28
Pen 2 180 12 2.27
Pen 3 180 11 2.37
Pen 4 180 10 2.34
Between pens 720 20 2.57
No antibiotica 288 10 2.07
Ampicillina 216 18 2.56
Tetracyclinea 216 12 2.38
  1. aNo antibiotic, ampicillin and tetracycline denote whether colonies were obtained from plates without or with the mentioned antibiotics