Fig. 2
From: 24-h sheltering behaviour of individually kept horses during Swedish summer weather
Closed shelter A (left with opaque plastic roof, opaque plastic on the rear wall opposite the entrance and transparent wind nets on two sides, open shelter B (middle with opaque plastic roof and opaque plastic covering the upper half of the rear wall), and shelter C without roof (right wind nets on three sides). Shelters were purchased from Mobile Covers (Cover all Europe GmbH, Groß Lüdershagen, Germany) and measured 4 × 4 m (height 3.15 m). The fence elements consisted of 2 mm thick round steel (45 mm in diameter) and the distance between fence elements was 21.5 cm (first bar at 23 cm off the ground). The height of the walls measured 130.5 cm. The roof was a polyvinyl chloride fabric (670 g/m2). Sticky paper traps were placed in the right corner in each shelter behind a metal gate.