The composition of the fat is also different in free-ranging animals, tending to be lower in saturated fats and higher in the polyunsaturated fatty acids that protect against heart disease.

• 野放动物的脂肪组成也不一样，通常饱和脂肪酸含量较低，能预防心脏病的多元不饱和脂肪酸较高。