Table 2.

Presence, maintenance, service registration and assistance percentages of automatic devices on whole farm sample (n=943) and related to the farm dimension.

Auto feeder	Presence (%)	Maintenance (%)	Registration (%)	Assistance (%)
Total	43/818 (5.2)	16/43 (37.2)	16/43 (37.2)	31/43 (72.1)
Small	12/341 (3.5)	2/12 (16.7)	2/12 (16.7)	7/12 (58.3)
Medium	13/244 (5.3)	6/13 (46.1)	4/13 (30.8)	7/13 (53.8)
Large	18/232 (7.7)	8/18 (44.4)	10/18 (55.5)	17/18 (94.4)
Unifeed
Total	444/818 (54.2)	290/444 (65.3)	114/444 (25.6)	232/444 (52.2)
Small	55/341 (16.1)	19/55 (34.5)	4/55 (7.2)	13/55 (23.6)
Medium	163/244 (66.8)	91/163 (55.8)	28/163 (17.2)	65/163 (39.9)
Large	225/232 (96.9)	179/225 (79.5)	80/225 (35.5)	153/225 (68.0)
Watering
Total	642/818 (78.5)	157/642 (24.4)	30/642 (4.7)	117/642 (18.2)
Small	214/341 (62.7)	25/214 (11.7)	6/214 (2.8)	9/214 (4.2)
Medium	201/244 (82.4)	57/201 (28.3)	8/201 (3.9)	33/201 (16.4)
Large	226/232 (97.4)	75/232 (32.3)	16/232 (6.9)	75/232 (32.3)
Ventilation system
Total	168/818 (20.5)	39/168 (23.2)	18/168 (10.7)	98/168 (58.3)
Small	14/341 (4.1)	2/14 (14.3)	1/14 (7.1)	2/14 (14.2)
Medium	33/244 (13.5)	6/33 (18.2)	1/33 (3.0)	16/33 (48.5)
Large	121/232 (52.2)	31/121 (25.6)	16/121 (13.2)	80/121 (66.1)
Scraper
Total	336/818 (41.0)	62/336 (18.4)	27/336 (8.0)	169/336 (50.3)
Small	56/341 (16.4)	7/56 (12.5)	1/56 (1.8)	9/56 (16.0)
Medium	97/244 (39.7)	24/97 (24.7)	9/97 (9.3)	40/97 (41.2)
Large	181/232 (78.0)	30/181 (16.6)	17/181 (9.4)	120/181 (66.3)
Milking system
Total	808/818 (98.7)	546/808 (67.6)	540/808 (66.8)	642/808 (79.4)
Small	334/341 (97.9)	149/334 (44.6)	159/334 (47.6)	218/334 (65.3)
Medium	242/244 (99.2)	182/242 (75.2)	172/242 (71.0)	197/242 (81.4)
Large	231/232 (99.6)	214/231 (92.6)	208/231 (90.0)	225/231 (97.4)