AOAC. (1992). Official Methods of Analysis. 15th Ed. Association of Official Analytical Chemists, Arlington, Virginia, USA.
Bhargava K.K. and Neal J.B.O. (1975). Composition and utilization of poultry by products and hydrolyzed feather meal in broiler diets. Poult. Sci. 54,1511-1518.
Bohnert D.W., Larson B.T., Bauer M.L., Branco A.F., McLeod K.R., Harmon D.L. and Mitchell Jr G.E. (1999). Nutritional evaluation of poultry by-product meal as a protein source for ruminants: Small intestinal amino acid flow and disappearance in steers. J. Anim. Sci. 77, 1000-1007.
Cai T., Pancorbo O.C. and Barnhart H.M. (1994). Chemical and microbiological characteristics of poultry processing by- products,waste and poultry carcasses during lactic acid fermentation. J. Appl. Poult. Res. 3,49-60.
Dale N., Fancher B., Zumbado M. and Villacres A. (1993). Metabolizable energy content of poultry offal meal. J. Appl. Poult. Res. 2,40-42.
Elkin R.G. (2002). Nutritional components of feedstuffs: A qualitative chemical appraisal of protein. Pp. 345-362 in: Poultry Feedstuffs: Supply, Composition and Nutritive Value. McNab J.M. and Boorman K.N. (Eds.). CAB International. Wallingford. UK.
Hosseinzadeh M.H, Ebrahimnezhad Y., Janmohammadi H., Ahmadzadeh A.R. and Sarikhan M. (2010). Poultry by product meal: Influence on performance and egg quality traits of layers. Inter. J. Agric. Biol. 1560-8530.
Johnson, M.L. and C.M. Parsons (1997) Effects of raw material source, ash content and assay length on protein efficiency ratio and net protein ratio values for animal protein meals. Poult. Sci. 76, 1722-1727.
Klantar M. and Fahimi A. (2004) Effect of using poultry by product meal in broiler chickens nutrition. Pajhohesh va Sazendeghi. 67, 28-34.
Kirkpinar F., Acikgoz Z., Bozkurt M. and Ayhan V. (2004). Ef fects of inclusion of poultry by product meal and enzyme-prebiotic supplementation in grower diet on performance and feed digestibility of broilers. Br. Poult. Sci. 45(2), 273-279.
Liddle L., Seegmiller J.E. and Laster L. (1959). The enzymatic spectrophotometric method for determination of uric acid. J. Lab.Clin. Med. 54, 903-913.
Najafabadi H.J, Nasiri Moghaddam H., Pourreza J., Shahroudi F.E. and Golian A. (2007). Determination of chemical composition, mineral contents ,and protein quality of poultry by-roduct meal. Int. J. Poult. Sci. 6(12),875-882.
NRC. (1994). Nutrient Requirements of Poultry. 9th rev. National Research Council, National Academy Press, Washington, D.C. USA.
Pesti G.M., Faust L.O., Fuller H.L., Dale N.M. and Benoff F.H. (1986). Nutritive value of poultry by-product meal. 1. Metabolizable energy values as influenced by method of determination and level of substitution. Poult. Sci. 65, 2258-2267.
SAS. (1999). SAS User’s Guide: Statistics. 8th Edn., SAS Inst. Inc. Cary, NC, USA.
Samli H.E., Senkoylu N., Ozduven M.L., Akyurek H. and Agma A. ( 2006). Effects of poultry by-product meal on laying performance egg quality and storage stability. Pak. J. Nutr. 5, 6-9.
Senkoylu N., Samli H.E., Akyurek H., Agma A. and Yasar S. ( 2005). Performance and egg characteristics of laying hens fed diets incorporated with poultry by product and feather meals. J. Appl. Poult. Res. 14, 542-547.
Shirley R.B. and Parsons C.M. ( 2001). Effect of ash content on protein quality of meat and bone meal. Poult. Sci. 80, 626-632.
Steffens W. (1994). Replacing fish meal with poultry byproduct meal in diets for rainbow trout, Oncorhynchus mykiss. Aquaculture. 124,27-34.