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

Table 8 Winter herd management factors associated with bulk tank total bacterial score (TBS) on 400 Irish dairy farms, based on a multiple regression model

Question	Level	TBS (TBC¹)	S. Error	P-value²
Condition of cubicle shed	Very good	10.13 (25)	0.087	0.0025
	Good	10.00 (22)	0.053
	Poor	10.29 (29)	0.095
Cleanliness of cubicles	Clean	10.05 (23)	0.062	0.0349
	Slightly dirty	10.15 (26)	0.064
	Dirty	10.22 (28)	0.085
Calving area	Calving box	10.11 (25)	0.044	0.0006
	Cubicles house	9.83 (19)	0.111
	Paddock	10.22 (28)	0.117
	Stalls	10.58 (39)	0.153
	Other	9.96 (21)	0.100
Cubicle bedding of cows	Sawdust and other	10.09 (24)	0.082	0.0049
	Lime	10.17 (26)	0.072
	Shredded paper	9.94 (21)	0.120
	Straw	10.31 (30)	0.109
	None	10.30 (30)	0.082
	Mats	10.13 (25)	0.072
	Mats and lime	10.04 (23)	0.069

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