Influence of lipid sources on egg production and cholesterol profile in laying hens

Fats play an important role in poultry nutrition. It improves the palatability of the diet. Hence it stimulate feed intake. The present study was conducted to throw the light on the effects of using two sources of fat (linseed oil and cod liver oil) in whl-Productive performance of laying hens 2-Determination of egg yolk cholesterol, 3’:’Determination of levels of total cholesterol, triglycerides , high densitylipoprotein, low density lipoprotein and very low density lipoprotein inn serum of laying hens.4-Also, investigated the effect of feeding rats egg yolk from treated hens on serum total cholesterol, triglycerides, HDL, LDL and VLDL. br>This study was perfo