Place 6 doves, breast up, on 6 pieces of aluminum foil 12 inches square. Place a half strip of thick bacon over the breast of each dove. Quarter 1 small onion. Cut 1 carrot into 1 inch pieces. Dice 2 (1/4 inches) green pepper. Place the vegetables around the doves on the foil and salt and pepper to taste. Sprinkle with Worcestershire sauce and fold the foil to seal. Bake at 325 degrees for 90 minutes. Serves 3-4.