Effect of Confinement Stress On Blood Serum and Egg Yolk Cholesterol and Laying Perfor Mance Of White Leghorn Laying Hens

The main sites of cholesterol biosynthesis are the liver and skin, the hepatic cells produce cholesterol from acitic acid, and after mixing with the bile, release it into the doudenum and at the same time,into the blood. The present study was undertaken to find the offect of confinrment stress on blood serum and egg yolk chlesterol and laying performance of white leghorn laying hens.