| 摘要 |
A self regulated feeder for a footbath for animals may include a hollow container for a source of fluid, an outlet passageway to connect the hollow container with the footbath, an air return passageway to connect the hollow container to ambient air to return air to the hollow container, and a differential valve to restrict the returning air to the hollow container. The fluid may include air, and the fluid may include a liquid having a disinfect agent. The self regulated feeder may include a flush passageway to flush the footbath, and the air return passageway may be connected to a liquid trap container to prevent fluid from the footbath from reaching the hollow container.
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