Table 1

Variance in ERIC types of C. jejuni isolates originating from cows from pasture and housing farmsa

Source of variationVariance factorP value
Degree(s) of freedomSum of squaresVariance components% Variation
Between farms122.60.037.30.002
Between cows
Within farms33153.30.1533.5<0.0001
Within cows963264.70.2859.2<0.0001
Total997440.60.46100
  • a Data are AMOVA model results showing the hierarchical partitioning of the variance in ERIC types of C. jejuni isolates originating from 35 cows across the pasture farm and the housing farm over the sampling period.