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Table 3 Association between summer management practices and bulk tank total bacterial score (TBS)

From: Farm management factors associated with bulk tank total bacterial count in Irish dairy herds during 2006/07

Variable

Level

%

TBS (TBC1)

S. Error

P-value2

Milk recording practiced

Yes

49

9.80 (18)

0.030

< 0.001

 

No

51

10.03 (23)

0.030

 

Gloves worn during milking

Yes

37

9.92 (20)

0.035

0.8614

 

No

63

9.91 (20)

0.027

 

Management of cow tails

Clip tails > once a year

48

9.84 (19)

0.031

0.0007

 

Clip tails ≤ once a year

39

10.02 (22)

0.034

 
 

Tails ringed/cut

14

9.88 (19)

0.058

 

Walk ways washed before milking

Yes

45

9.83 (19)

0.032

0.0002

 

No

55

9.99 (22)

0.029

 
  1. 1 Back transformed total bacterial count (TBC)103/ml.
  2. 2 P-value is significant at less than 0.05