Table 5.

Data availability in six European countries for variables on cattle demographics, control programmes and risk factors regarding confidence of freedom from BVDV infection.

Variable	Definition	Quantitative (Yes/No)
		All cattle (dairy + non-dairy)	Dairy	Non Dairy	Beef breeding
CATTLE DEMOGRAPHICS
No. of cattle	Cattle > 1 year	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
No. of cattle herds	Total no. of cattle herds	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
Calving pattern	% of all calvings by month within the past 12 mo.	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
Average no. of births per herd	Within the past 12 mo. per herd	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
Cattle density	No. of cattle per km2	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
% of dairy cattle herds with beef cattle on same location	All dairy herds with also beef cattle		IE, SE, FR, UK
CONTROL PROGRAMME
% of cattle herds participating in CP	% of herds that participate in the CP at the beginning of the year	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
% of animals tested	% of cattle tested for BVD in the territory, during the year	NL, IE, SE, DE, UK	NL, IE, SE, FR, UK	NL, IE, SE, UK	NL, IE, SE, UK
No. of herds that identified one or more PI's.	PI: animal that tested pos. in the initial test or the initial test and re-test, during the year	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
Age at which PI animals were culled	Age at which PI animals were culled during the year	NL, IE, SE, DE, UK	NL, IE, SE, UK	NL, IE, SE, UK	NL, IE, SE, UK
% of free cattle herds	% of cattle herds participating in the CP that have any free status according to the CP, at the beginning of the year	NL, IE, SE, DE, UK	NL, IE, SE, FR, UK	NL, IE, SE, UK	NL, IE, SE, UK
% of free cattle herds that had a breakdown	% of herds participating in CP that had a free status at start of the year but breakdown (ab or virus pos test) during that year.	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
RISK FACTORS
% of cattle herds practicing zero grazing	No grazing during the whole yr	SE	SE	SE	SE
% of cattle herds involved in communal grazing	Grazing animals from different cattle herds together	IE	IE	IE	IE
No. of neighbors at pasture per herd	Pasture where cattle from different herds can have nose to nose contact	NL, SE	NL, SE	NL, SE	NL, SE
% of herds that purchased cattle		All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
% of cattle that was purchased from markets/traders	% of purchased cattle	NL, IE, FR, UK	NL, IE, FR, UK	NL, IE, FR, UK	NL, IE, FR, UK
No. of purchase moments in the territory	A purchase event on a specific day to one specific herd	All	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK	NL, IE, SE, FR, UK
% of purchased animals that were pregnant at the moment of purchase		NL, IE, FR	NL, IE, SE, FR	NL, IE, FR	NL, IE, FR
% of herds that quarantine purchased animals that have not been tested before arrival in the herd	% of herds that purchased cattle	FR	FR	FR	FR
% of herds that have animals attending shows		NL, UK	UK	UK	UK
% of herds that vaccinate cattle against BVD		SE, DE	NL, SE	SE	SE
% of cattle herds with goat and/or sheep on same location	Cattle herds with goat and sheep on same location	IE, SE, DE, UK	IE, SE	IE, SE	IE, SE
% of cattle herds that could possibly have contact with wild ruminants	Cattle herds with possible contact with wild ruminants	SE	None	None	None
% of herds that house calves separately from pregnant cattle	% of herds that breed	None	None	None	None
% of herds that share transport vehicles with other cattle herds		None	None	None	None

NL, The Netherlands; IE, Ireland; SE, Sweden; FR, France; DE, Germany; UK, United Kingdom (here Scotland). Dark green, all six countries have data available. Light green, five countries have data available. Orange, three or four countries have data available. Pink, two countries have data available. Red, at most one country has data available. Gray, not applicable.