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Table 1 Independent variables of ‘HerdAhead’ farms per category, with independent variables used in the multivariate model

From: Determining the Prevalence and Seasonality of Fasciola hepatica in Pasture-based Dairy herds in Ireland using a Bulk Tank Milk ELISA

Independent variables Categories   Independent variables
   % (n)  
Region Region 1 21.7 (60) Region 1 vs. Region 2 vs. Region 3
Region 2 30.3 (84)
Region 3 48.0 (133)
Herd size ≤50 9.4 (26) <50 cows vs. 50–100 cows vs. >100 cows
50-100 50.4 (139)
≥100 40.2 (111)
Herd enterprise Dairy only 47.5 (131) Dairy only vs. Mixed enterprise
Mixed 52.5 (145)
Calving period Spring 85.5 (236) Spring-calving vs. Mixed-calving
Mixed 14.5 (40)
Number of 1st lactation heifers <25 60.7 (168) <25 heifers vs. 25–50 heifers vs. >50 heifers
25-50 32.9 (91)
>50 6.5 (18)
Age heifers 1st calving <24 months 10.2 (27) <24 months vs. 24–30 months vs. >30 months
24-30 months 82.6 (219)
>30 months 7.2 (19)
Flukicide treatment cows Not treated 34.3 (95) Not treated vs. Treated
Treatment for flukicides 65.7 (182)
Flukicide treatment heifers Not treated 31.8 (88) Not treated vs. Treated
Treatment for flukicides 68.2 (189)
Turnout cows Jan/Feb 83.6 (230) January/February vs.
Mar/Apr 16.36 (45) March/April
Other - Excluded
Housing cows Sep/Oct 28.1 (75) September/October vs. November/December
Nov/Dec 71.9 (192)
Other Excluded
Stocking rate cows <5 cows 87.7 (236) Less than 5 cows vs. 5-10/ >10 cows
5-10 cows />10 cows 12.3 (33)
Grazing length cows <7 months 32.2 (86) <7 months grazing vs. >7 months grazing
>7 months 67.8 (181)