How long can police sniffer dogs work for?

Author: admin  |  Category: Police
police
Jerome asked:


My friend told me that police sniffer dogs can only work for around half an hour whilst attempting to detect drugs in crowds. He explained that their noses are too sensitive to the different smells around and that they have to be given a break so that they are not over loaded with different scents. Is this true and if so how long can they patrol before they’ve got to have a break?

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