Managerial and environmental determinants of clinical mastitis in Danish dairy herds

Table 1 Varimax Rotated Factor Pattern Matrix. The matrix represents standardized regression coefficients for predicting the variables using the extracted factors.

Variables	CODE	Loadings
		Factor 1	Factor 2	Factor 3
Region of Denmark	OMR	5	77*	-8
Who takes care of the cows?	PASSER_1	85*	-2	7
Age of cow house floor	ALDGM_12	-11	2	2
Shelter available on pasture	LAEM_22	-19	-30*	74*
Do cows get stone bruises in the claws?	STEN_29	-12	22	81*
Who manages the cows?	TILSYN32	74*	-13	4
How do you handle cows with mastitis apart from the veterinary treatment?	YVSYG_38	9	2	11
Which cows are trimmed?	KLOVH_64	10	46*	-10
Hired labor used in cow house	FHJLP_73	-82*	-5	-5
Milking and feeding man hours per cow	ARB3031	42*	12	-8
Average daily milk production per cow	MILK	10	-22	1
Approximate what percentage of the cows had claw diseases during the recent year	UKLOV_43	5	-60*	-16
How do you decide to cull a cow ⁽¹⁾	GRUDS_71	6	0	15
Age of dairy producer	ALDER_76	-9	3	-7

Printed loadings are multiplied by 100 and rounded to the nearest integer.
* value greater than 0.3
⁽¹⁾ Herds where cows were culled due to udder disease were compared with herds where cows were not culled due to udder problems. Udder disease included mastitis and other udder problems.

ISSN: 1751-0147