Figure 2.
Duration of the nocturnal feed intake interruption of horses on shavings, which had finished their evening meal within the observation period (74.32%; n = 55 horses on shavings out of 74 horses on shaving in total). Green box: period without food supply which is still appropriate in terms of welfare; red line: tolerable maximum duration of feed intake interruptions at 240 min (4 hours) according to the German welfare standard [55]).
