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 of Ludes. They aim for harmony between the buildings, the gardens and the Montagne de Reims National Park. For the last 20 years Canard-Duchêne has made a commitment to sustainable agriculture and environmentally friendly production techniques. The House recently launched an 'Authentic Green' initiative wherein they produced a Champagne made solely from organically-grown grapes. According to the Canard-Duchêne website, "No words can express Canard-Duchêne's commitment to authentic organic principles better than its own hallmark 'Naturellement Noble'. 'Naturellement' contains the word 'Nature' which suggests love, respect and protection of Nature. 'Noble' conveys a feeling of greatness, generosity and responsibility". Canard-Duchêne wines