Main Article Content
In the world-wide cardiovascular diseases are the most common. And mortallities are high. Many modifiable and non-modifiable risk factors for cardiovascular diseases have been identified. One of them is diets. In diet polyunsaturated fatty acids such omega-3 and omega-6 have protective effects on cardiovascular health. Polyunsaturated fatty acids are essentials for humans, have taken from foods. Fish and fishkind productions have polyunsaturated fatty acids. Polyunsaturated fatty acids are synthesized by zooplanktons and pytoplanktons. In food chain Zooplanktons have important place. Zooplankton is the nutrients of fish. Fishes constitute the store of polyunsaturated fatty acids for people. We see how important zooplanktons are in the first steps of the food chain for humans.