Omega-3 fatty acids are essential for good health because they are not produced by our body. There are 2 types of omega 3: marine oil and vegetal oil. Omega-3 fatty acids are important for normal metabolism. Consequently, they have to come from our diet. They have a positive effect on your cardiovascular health. Also, Duck fat is an excellent cooking medium with a rich, silky texture and has a very fine, savoury flavour, halfway between butter and olive oil.The addition of flaxseed in our ducks diet provides 3.2 grams of omega 3 per 100 grams of meat.