Aftab U, 2009. Response of broilers to practical diets with different metabolizable energy and balanced protein concentrations. Brazilian Journal of Poultry Science 11(3): 169-173.
Azadegan Mehr M, Shams Shargh M, Dastar B and Hasani S, 2007. Effect of different levels of Protein and Protexin on broiler Performance. Journal of Agricultural Science and Natural Resources 14(3) (In Persian).
Dairo FAS, Adesehinwa AOK, Oluwasola TA and Oluyemi JA, 2010. High and low dietary energy and protein levels for broiler chickens. African Journal of Agricultural Research 5(15): 2030-2038.
Esonu BO, Ihekwumere FC, Iwuji TC, Akanu N and Nwugo OH, 2003. Evaluation of microdesmispuberula leaf meal as a feed ingredient in broiler starter diets. Nigerian Journal of Animal Production 30: 3-7.
Fangyan D, Higginbotham A and White D, 2000. Food intake, energy balance and serum leptin concentration in rats fed low-protein diets. Journal of Nutrition. 130: 514-521.
Hamono Y, Hamada Y, Miyahara M, Kobayashi S and Terashima Y, 1998. Effect of dietary protein and energy on growth performance and muscle composition in broilers treated with clenbuterol. Asian-Australasian Journal of Animal Science 11(4): 391-397.
Hernandez FIL, Korver DR, Renema RA and Zuidhof MJ, 2008. Dietary protein and energy effects on broiler live performance to 42 days. Poultry Science Association 87:144-144.
Jafarnejad S and Sadegh M, 2011. The effects of different levels of dietary protein, energy and using fat on the performance of broiler chicks at the end of the third weeks. Asian Journal of Poultry Science 5(1): 35-40.
Leeson S, Caston L and Summers JD, 1996. Broiler response to diet energy. Poultry Science 75:529-535.
Moosavi M, Eslami M, Chaji M and Boujarpour M, 2011. Economic value of diets with different levels of energy and protein with constant ratio on broiler chickens. Journal of Animal and Veterinary Advances. 10(6): 709-711.
National Research Council, (NRC). 1994. Nutrient Requirements of Poultry, 9th revised edn. National Academy Press, Washington, DC.
Nguyen TV and Bunchasak C, 2005. Effects of dietary protein and energy on growth performance and carcass characteristics of Betong chicken at early growth stage. Songklanakarin Journal of Science and Technology. 27(6): 1171-1178.
Obih TKO and Ekenyem BU, 2010. Performance and cost evaluation of substituting bambara seed [Vigna subterranean (L) Verdc] offal for soyabean meal in the diets of broiler starter chicks. International Journal of Poultry Science 9:349-351.
Renden JA, Bilgili SF and Kincaid SA, 1992. Effects of photo schedule and strain cross on broiler performance and carcass yield. Poultry Science 71:1417-1426.
Rezaei M, NassiriMoghaddam H, Pour Reza J and Kermanshahi H, 2004. The effect of dietary protein and lysine levels on broiler performance, carcass characteristics and nitrogen excretion. Poultry Science 3(2): 18-152.
SAS Institute. (2003). SAS/STAT Software Version 9 Cary, NC: SAS Institute Inc.
Steiner Z, Domacinovic M, Antunovic Z, Steiner Z, Sencic D, Wagner J and Kis D, 2008. Effect of dietary protein/energy combinations on male broiler breeder performance. Pp. 17-19. Proceedings of the 16th International Conference on Animal Science Days. Strunjan, Slovenia.
Summers JD, Spratt D and Atkinson JL, 1992. Broiler weight gain and carcass composition when fed diets varying in amino acid balance, dietary energy and protein level. Poultry Science 71: 263-273.
Zamani M, Rezaie M, Teimouri Yansari A, Sayyah Zadeh H and Nick Nafs F, 2013. The effect of different levels of energy and protein in finisher diet on performance, carcass yield and blood serum lipids of broiler chickens. Animal Sience Researches 23(3): 69-86. (In Persian).