Wild Duck with Citrus Fruit

• 3 navel oranges
• 1 lemon
• 1 lime
• 2

Using a potato peeler, peel off the zest in large strips from one of the oranges, the lemon and lime. Chop one strip of the orange rind and mix with a small knob of butter. Cut the remaining rind into fine julienne. Blanch them for 8 minutes in boiling water, drain, refresh under cold running water and set aside. Squeeze the juice from the pared fruit and reserve. Cut peel and pith off the rema