PRACTICAL APPROACH TO FAT INCLUSION IN BROILERS DIETS

Document Type : Original Article

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Dept. Nutrition and clinical Nutrition, Fac. Vet. Med., Cairo University.

Abstract

This work was planned to threw a light on a practical approach currently used by poultry growers in Egypt to include different sources of fat in broilers diets to promote more gain and better finished carcass. One hundred and fifty-day old commercial broiler chicks were equally allocated into six groups and fed on basal diet to which either animal fat (beef -low) or vegetable oil (cottonseed oil + sunflower oil) was added at level of 1 or 2% for 6 weeks' experimental period. It is concluded that the inclusion of fat (animal and vegetable) at level of 1 or 2% to broiler diets could improve broiler performance under high environmental temperature. In regard to fat source, CSO as a vegetable oil seemed to achieve better performance than did beef tallow. mean- while, the higher level of CSO achieved better performance than its lower level. However, the usage of 2% CSO in growing period was not able to overcome the adverse effect of heat stress commonly occurs during our summer season. Concerning blood parameters, no significant difference could be detected for SGOT, SGPT and total serum protein which indicated that no detrimental influence for such treatments. Serum cholesterol level was increased due to fat supplementation but beef tallow addition induced the highest values.

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