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Table 3 Comparison of the α-diversity indices of rumen bacterial community based on 16S rRNA gene sequencing

From: Coordinated response of milk bacterial and metabolic profiles to subacute ruminal acidosis in lactating dairy cows

Alpha diversity

Diet

SEM

P-value

CON

HC

Diet

Day

Diet × Day

Observed ASVs

263

294

35.27

0.751

0.870

0.901

Chao 1

267

297

35.45

0.773

0.907

0.864

Shannon

4.43

4.95

0.21

0.248

0.724

0.873

Simpson

0.12

0.08

0.01

0.248

0.651

0.849

  1. aStandardizing sequences depth at 23,465
  2. bASV Amplicon sequence variant, CON Conventional diet, HC High-concentrate diet