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 period. In 1978, Canard-Duchêne was associated with Veuve Clicquot and then joined the LVMH Group, which transmitted its rigour and search for quality. Subsequently, the House saw substantial growth on European markets. The takeover by the independent Champagne group Thiénot occurred in October 2003. Canard-Duchêne produces a diverse range of champagnes. The Authentic Brut Non-Vintage epitomises the Canard-Duchêne style, where freshness and intensity unite nobility and nature. It is made from a blend of 60 different Cru wines, and the blend of grapes is made up of 45% Pinot Noir, 35% Pinot Meunier and 20% Chardonnay. Reserve wines from several