Effect of soybean oil supplementation to low metabolizable energy diets on production parameters of broiler chickens
2006
Barbour G.W. | Farran M.T. | Usayran N.N. | Darwish A.H. | Uwayjan M.G. | Ashkarian V.M. | Barbour, G.W., Department of Poultry Science, Lebanese Agricultural Research Institute, Tel Amara, Beqa'a, Lebanon | Farran, M.T., Department of Animal Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut 1107-2020, Lebanon | Usayran, N.N., Department of Animal Production, Faculty of Agricultural Sciences, Lebanese University, Chourane, Beirut 1102-2040, Lebanon | Darwish, A.H., Department of Animal Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut 1107-2020, Lebanon | Uwayjan, M.G., Department of Animal Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut 1107-2020, Lebanon | Ashkarian, V.M., Department of Animal Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut 1107-2020, Lebanon | Farran, M.T.; Department of Animal Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut 1107-2020, Lebanon; email: [email protected] | University: American University of Beirut; Faculty: Faculty of Agricultural and Food Sciences; Department: Animal and Veterinary Sciences; | Animal and Veterinary Sciences | [email protected] | Faculty of Agricultural and Food Sciences | Barbour, GW | Farran, MT | Usayran, NN | Darwish, AH | Uwayjan, MG | Ashkarian, VM | Farran, MT (reprint author), Amer Univ Beirut, Fac Agr and Food Sci, Dept Anim Sci, Beirut 11072020, Lebanon. | American University of Beirut
Two experiments were conducted to study the performance and carcass quality of broilers in response to varying composition of a diet low in ME, through the supplementation of graded levels of soybean oil. In an initial study, isocaloric (2,965 kcal-kg) and isonitrogenous (21.7percent) corn-soybean diets were supplemented with 10, 20, or 30 g-kg of soybean oil. In a second experiment, diets containing ME levels of 2,940 and 3,040 kcal-kg were supplemented with soybean oil levels of 20 or 40 g-kg. In both experiments, supplementation of up to 30 or 40 g of oil-kg of diet resulted in increases of 175 and 120 g (P 0.05) in BW gain and 97 and 91 g (P ≤ 0.06) in ready-to-cook (RTC) carcass weight at 49 d, respectively. There was a linear decrease (P 0.05) in percentage deposition of abdominal fat pad only in diets containing 2,965 (Experiment 1) or 2,940 (Experiment 2) kcal of ME-kg with no significant changes in RTC carcass and whole breast or pectoralis major muscle yields and RTC carcass composition. Improvements in production parameters can be achieved in broiler chickens fed a low ME diet through the addition of moderate levels of soybean oil. ©2006 Poultry Science Association, Inc.
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اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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