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
Le Canard enchaîné the criticism: Boulin, he said, "was unable to resist the campaign of harassment he was subjected to. Public opinion should severely condemn any other similar campaigns." The "Canard" is published by "Les Éditions Maréchal-Le Canard enchaîné" (Maurice and Jeanne Maréchal founded the "Canard"), which is privately owned; the main associates are Michel Gaillard (CEO and director of publication), André Escaro, Nicolas Brimo, Erik Emptaz and employees of the newspaper. Because it does not accept advertisements (being free of sponsors), being entirely privately owned (being the same,) and because its publishing costs are met by its sales, "Le Canard Enchaîné" is