Abstract
Farmed silver foxes were allowed to choose between four standard farm cages, each of which was equipped with a different floor material: plastic-coated wire mesh (WM); dry wood (DW); dry sand (DS); and wet wood (WW) or icy sand (IS). Six males and six females were placed in the test environment singly in winter; and the same individuals, again in spring. The use of the different floors was videorecorded and analysed from the tapes for active periods and resting period on 5 or 6 d. Resting consisted of 14–20 separate bouts d−1, occupying 58–62% of the total 24 h. In winter, the active periods of the animal’s day were spent as follows: DW (34%) = DS (33%) > IS (17%) = WM (15%). The resting periods were spent as follows: DW (59%) > WM (26%) = DS (15%) > IS (1%). In spring, the order of active time was DS (36%) > DW (25%) = WW (24%) > WM (15%) and of resting time was DW (51%) > WM (19%) = WW (16%) = DS (15%). Different individuals preferred different floors, leading to large variance in the group means. This high variation may suggest a low level of priority in general but a high level of priority within individuals. Although solid floors were highly preferred when dry, they were least preferred when wet or icy. Key words: Preference test, wire-mesh floor, solid floor, wet floor, resting place, Vulpes vulpes
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