EFFECT OF HIGH ENERGY DIET (USING 2% ULTRAKEAL®) ON BROILER PERFORMANCE, LITTER QUALITY AND IMMUNE RESPOSNE

ZOUELFAKAR, SAHAR A.; MOUBARAK, S.T.; TELEB, H

doi:10.21608/vmjg.1998.377275

EFFECT OF HIGH ENERGY DIET (USING 2% ULTRAKEAL®) ON BROILER PERFORMANCE, LITTER QUALITY AND IMMUNE RESPOSNE

Authors

¹ Dept. of Poultry Diseases , Fac. Veterinary Medicine, Cairo University.

² Dept. of Hygiene, Management and Zoonoses, Fac. Veterinary Medicine, Cairo University.

³ National and Clinical Nutrition Dept., Fac. Vet. Med., Cairo University

10.21608/vmjg.1998.377275

Abstract

Three thousands day old chicks (Cobb) were divided into two groups and reared identically. The first group (high energy treatment) was fed a starter diet (24% CP, 3300 Kcal/kg ME) then a grower diet (21% CP, 3100 Kcal/kg ME) followed by a finisher diet (19% CP, 3100 Kcal./kg ME). 2% Ultrakcal® was added to adjust these levels of energy. The second group (conventional energy control) was fed a prestarter‘diet (24% CP, 2900 Kcal/kg. ME) then a starter diet (21% CP, 2800 Kcal./kg ME) and a grower Get-(19% CP, 2800 Keal./kg ME). Body weight was significanlty higher in birds fed high energy diet and the feed conversion ratio was significantly lower than the control group. The litter of the high energy treatment-maintained a stable pH throughout the experiment and optimum moisture content indicating good quality litter. The sustainability of the maternal immunity for both ND and IBD was not affected by the dietary treatment. The non specific immune response to SRBCs was significantly higher in birds fed high energy ration, also, the stimulation index of lymphocyte transformation was significantly increased as compared with those of the conventional energy treatment.

Main Subjects