Venison Osso Buco

Name: Venison Osso Buco
Ingredients: 2 medium oranges; 1 lemon; 1⁄4 cup extra-virgin olive oil; 2 medium yellow onions, peeled and chopped; 1 medium carrot, peeled and shredded; 1 stalk celery, chopped; 2 bay leaves; 4 whole cloves; 1 sprig fresh rosemary; 10 juniper berries; Salt; Freshly ground black pepper; 6 (8–10-oz.) venison osso bucco, cut from the hind shanks; 1⁄2 cup flour; 1⁄4 cup vegetable oil; 2 tsp. tomato paste; 1 cup fruity red wine, such as chianti; 1 cup fresh carrot juice; 6 plum tomatoes, peeled and crushed; 2 cups hot chicken stock