Table 5.

Management measures performed in the farms.

Management Measure	Selection	Farms
Vaccinations (n = 215, multiple choice)	Clostridial infections in general	169 (78.6%)
	Not known	22 (10.2%)
	Tetanus in particular	17 (7.9%)
	Chlamydial abortion	17 (7.9%)
	Bluetongue disease	16 (7.4%)
	Rabies	11 (5.1%)
	No information	8 (3.7%)
Frequency of deworming (n = 228, single choice)	Following pooled faecal samples	78 (34.2%)
	Following individual faecal samples	65 (28.5%)
	Twice a year	42 (18.4%)
	Once a year	26 (11.4%)
	Three times a year	13 (5.7%)
	Less than once a year	3 (1.3%)
	Four times a year	1 (0.4%)
Preparations additionally administered as injection (n = 255, multiple choice)	Vitamin E/selenium	57 (22.4%)
	Vitamin D	44 (17.3%)
	Other	12 (4.7%)