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Table 3 Factors associated with herd farms, and associations with bulk tank SCS (back transformed SCC*103/ml in parentheses) after controlling for region

From: Farm management factors associated with bulk tank somatic cell count in Irish dairy herds

Variable Level % SCS (SCC) SE P
Is milk recording practiced? Yes 49 12.46 (259) 0.022 ***
  No 51 12.58 (292) 0.022  
Mastitis cows milked? At start 3 12.63 (305) 0.098 ns
  At end 28 12.54 (280) 0.030  
  Anywhere in herd 69 12.52 (273) 0.019  
Dry cow therapy applied? Never and selected cows 4 12.74 (342) 0.083 **
  All cows 96 12.52 (273) 0.016  
Gloves worn during milking? Yes 37 12.49 (266) 0.026 ns
  No 63 12.54 (281) 0.020  
Tail management (tail hair clipping) Cut > once a year 48 12.51 (270) 0.023 ns
  Cut ≤once a year 39 12.55 (283) 0.025  
  Ringed 13 12.51 (271) 0.043  
  1. ns (not significant), * P < 0.05, **P < 0.01, ***P < 0.001
  2. Somatic cell count (SCC), somatic cell score (SCS)