CLEAN : Sniffer dog wins hearts at Scottish whisky distillery

The video introduces Rocco, a working Cocker Spaniel trained to detect unwanted odors in whiskey production. Dogs have a highly sensitive sense of smell, with Rocco's nose being more sensitive than some lab equipment. This ability is crucial in ensuring the quality of whiskey by identifying off-notes from the oak casks used in aging. The video also highlights the importance of oak casks in the maturation process of Scotch whiskey, emphasizing the role of wood quality in the final product.

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