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

Table 7 Factors associated with bulk tank somatic cell score on 398 Irish dairy farms during summer, based on a multiple regression model

Variable	Level	SCS (SCC)	SE	P
The pipeline system	Direct pipeline	12.65 (313)	0.044	***
	Recorder plant	12.53 (277)	0.049
Heated water in the pit	Yes	12.54 (279)	0.046	***
	No	12.64 (310)	0.045
Cleanliness of parlour	Clean	12.53 (276)	0.047	**
	Slightly dirty	12.63 (307)	0.047
	Dirty	12.61 (300)	0.061
Use of dry cow therapy	Never	12.69 (324)	0.082	*
	All cows	12.49 (267)	0.022
Is milk recording practiced?	Yes	12.56 (285)	0.047	*
	No	12.62 (304)	0.045

ISSN: 2046-0481