Cul de canard Cul de canard Cul de canard (CDC) (French for "duck bottom") are the feathers from the back of a duck directly around the preen gland (uropygial gland); they are very buoyant due to preen oil produced by the preen gland. They are used when tying dry flies for fly fishing. They owe their buoyancy to their proximity to the ducks preen gland which secretes an oil distributed by the duck as a cleaning and waterproofing measure. It is unnecessary for the angler to add additional oil by way of floatant. Flies incorporating CDC are easy to dress requiring no floatant
Canard-Duchêne expertise in wine-tasting and viniculture, they produced a high class Champagne only 8 years after they met. Only a couple with a bond as close as Victor and Leonie's could produce such a well-received debut Champagne, and it is a credit to both of them that Leonie was able to work in the wine industry during a time when the role of women was largely consigned to household duties. Both Victor and Léonie put their surnames together to create ‘Canard-Duchêne’. It is still one of the few wineries in Champagne to be family-run. During the tumultuous aftermath of the French