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Table 5 Factors associated with parlour and roadway hygiene on 398 Irish dairy 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
Cleanliness of the parlour Clean 43 12.45 (255) 0.024 ***
  Slightly dirty 48 12.57 (288) 0.023  
  Dirty 9 12.60 (297) 0.054  
Cleanliness of claw piece Clean 42 12.45 (256) 0.024 ***
  Slightly dirty 45 12.55 (282) 0.024  
  Dirty 13 12.67 (317) 0.043  
Condition of the liners New 81 12.58 (269) 0.018 **
  Slightly cracked 12 12.69 (291) 0.048  
  Cracked 7 12.47 (324) 0.062  
Collecting yard cleaning frequency After every milking 17 12.44 (253) 0.038 *
  Daily 37 12.50 (267) 0.026  
  Weekly 15 12.57 (289) 0.041  
  Every second day 13 12.55 (283) 0.044  
  Every third day 6 12.56 (285) 0.063  
  Slates 6 12.58 (291) 0.063  
  As required and other 6 12.66 (313) 0.064  
Cleanliness of yard Clean 26 12.47 (261) 0.032 *
  Slightly dirty 43 12.53 (278) 0.025  
  Dirty 31 12.58 (292) 0.031  
Cleanliness of road Clean 25 12.50 (269) 0.031 **
  Slightly dirty 51 12.49 (265) 0.022  
  Dirty 24 12.62 (302) 0.038  
Condition of road way Very good 17 12.49 (265) 0.038 ns
  Good 59 12.51 (272) 0.021  
  Poor 24 12.56 (286) 0.032  
  1. ns (not significant), * P < 0.05, **P < 0.01, ***P < 0.001
  2. Somatic cell count (SCC), somatic cell score (SCS)