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Table 5 Effect of nZnO levels on ruminal microbial populations (n = 4 observations/treatment)

From: In vitro evaluation of nano zinc oxide (nZnO) on mitigation of gaseous emissions

Effects Alfalfa Maize silage Control 100 μg g− 1 200 μg g− 1 500 μg g− 1 1000 μg g− 1 SEMa P value
Feed nZnO nZnO
aFeed
Initial_CFU 88.40x 85.20x 87.63a 86.50a 86.38a 86.88a 86.63a 8.27 0.231 0.998 0.923
Final_CFU 4630x 5155y 5350a 5325a 4900a 4725ab 4162b 590 0.009 0.002 0.887
  1. aData are presented as least square means per treatment ± SEM
  2. Means followed by the letters (x/y/a/b/c/d) in each row are not significantly different at P ≤ 0.05
  3. CFU Colony Forming Unit