TABLE 2

Family-level differences between sequence sets by lactation cycle and ruminal phase as determined by t test

FamilyRelative sequence abundance (%)SDRelative sequence abundance (%)SDEquality of varianceaP
In first lactationIn liquidsIn second lactationIn solids
BS11 in Bacteroidalesb0.460.370.310.220.00120.021
Erysipelotrichaceae0.930.411.320.85<0.00010.010
F16 in TM70.390.180.290.110.00210.002
Fibrobacteraceae0.300.150.540.280.0001<0.0001
Lachnospiraceae15.512.8716.753.210.46710.067
Mogibacteriaceae in Clostridiales0.650.200.840.270.0589<0.001
Paraprevotellaceae3.200.693.870.770.4919<0.0001
Pirellulaceae0.340.180.250.140.08470.007
Prevotellaceae43.495.5940.314.200.05310.004
Anaeroplasmataceae0.420.290.230.18<0.0001<0.0001
Christensenellaceae0.080.090.190.130.0022<0.0001
Clostridiaceae0.940.422.470.620.0009<0.0001
Erysipelotrichaceae1.591.140.720.32<0.0001<0.0001
F16 in TM70.510.300.200.13<0.0001<0.0001
Fibrobacteraceae0.480.370.380.280.0076<0.001
Lachnospiraceae10.643.4020.683.600.6045<0.0001
Mogibacteriaceae in Clostridiales0.700.320.850.350.09260.007
Pirellulaceae0.440.300.180.14<0.0001<0.0001
Prevotellaceae45.219.9338.336.25<0.0001<0.0001
RF16 in Bacteroidales0.610.350.170.12<0.0001<0.0001
S24-7 in Bacteroidales2.691.090.990.54<0.0001<0.0001
Spirochaetaceae0.580.351.050.520.0005<0.0001
Succinivibrionaceae3.832.636.073.050.1834<0.0001
Veillonellaceae4.371.323.120.86<0.0001<0.0001
  • a When equality of variance was >0.05, the more conservative Satterthwaite, in place of the pooled, P value is reported.

  • b Additional taxonomic information is given for clarity.