| 摘要 |
The device proposed has, in the entry zone, an entrance gate and two animal-identification systems. Animal-identification system keeps the entrance gate open as long as animals with the same characteristics are identified. If an animal with different characteristics is detected, the entrance gate is closed. The sorting switch is switched by animal-identification system into a position corresponding to the characteristics detected. The entrance gate subsequently stays open until another change in characteristics is detected by animal-identification system. Thus, when groups of animals with the same identifying characteristics are passing through, the throughput is higher since the entrance gate does not have to be closed after every animal.
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