| 摘要 |
A stall for rearing piglets has an entrance 10 with a gate 12, which can be opened by a sow. A step 8, which can be negotiated by a sow but not by small piglets, extends across the entrance. The gate is mounted so that it is displaceable in an opening direction along the step against the action of a force, which seeks to displace the door in the closing direction counter to the opening direction and is designed so that a sow by means of her snout in engagement with the door can easily displace this in the opening direction.
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