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Table 9 Overall herd management factors associated with bulk tank Total bacterial score (TBS) on 400 Irish dairy farms, based on a multiple regression model

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

Question

Level

TBS (TBC1)

S. Error

P-value2

Milk recording practiced

Yes

9.95 (21)

0.047

0.0024

 

No

10.09 (24)

0.047

 

Heated water in the pit

Yes

9.96 (21)

0.049

0.0058

 

No

10.08 (24)

0.045

 

Walk ways washed before milking

Yes

9.96 (21)

0.048

0.0069

 

No

10.08 (24)

0.045

 

Condition of cubicle shed

Very good

10.01 (22)

0.074

0.0039

 

Good

9.89 (20)

0.033

 
 

Poor

10.17 (26)

0.090

 

Cow tail management

Clip tails > once a year

9.95 (21)

0.047

0.0335

 

Clip tails ≤ once a year

10.07 (24)

0.045

 
 

Tails ringed/cut

10.04 (23)

0.066

 

Cleanliness of cubicles

Clean

9.96 (21)

0.045

0.0432

 

Slightly dirty

10.07 (24)

0.051

 
 

Dirty

10.03 (23)

0.075

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