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 directorial office of "Le Canard". The resulting scandal forced Interior Minister Raymond Marcellin to leave the government, though it is said that Marcellin was a scapegoat for other members of the government, especially the Defense Minister, who was intent on knowing the identities of informers for the newspaper. A series of articles accusing long-serving Gaullist minister and possible Prime Ministerial candidate Robert Boulin of involvement in dubious real estate deals was followed by Boulin's mysterious death (October 1979), presumed to be suicide. Following his death, major officials publicly accused "Le Canard enchaîné" of the moral responsibility for Boulin's death, and