Table 1.

Definition of the farm types and number of farms and samples per farm type.

Farm type	Definition	Sample size
Dairy farms (closed farming systems)	Dairy or suckler cow herds	44 samples from 26 farms
Pre-weaned calf farms	Pre-weaned calf raiser/veal calves purchased <10-week old calves	90 samples from 43 farms
Weaned calf farms	Fattening (weaned) calves purchased ≥10-week-old calves	44 samples from 26 farms