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• Acknowledgements This study was supported by the Scientific Research Project Committee of Afyon Kocatepe University, Afyonkarahisar, Turkey (BAPK-07.VF.12). This study was presented as a pos- ter in VII. National Animal Nutrition Congress, 26-27 Sep- tember 2013 - Ankara, Turkey. References AOAC (Association of Official Analytical Chemists), 2000. Of- ficial Methods of Analysis. 17th edition, AOAC Internatio- nal, Maryland, USA. Atherton D, 1993. A nutritional approach to carcass leanness. In: The Role of Amino Acid Chelates in Animal Nutrition, Ed; Ashmead HD, Noyes Publication, NJ, USA, pp: 269-287.
• Buijs S, van Poucke E, van Dongen S, Lens L, Baert J, Tuyttens FA, 2012. The influence of stocking density on broiler chic- ken bone quality and fluctuating asymmetry. Poult Sci, 91, 1759-1767.
• Buijs S, Van Poucke E, Van Dongen S, Lens L, Baert J, Tuyt- tens FA, 2012. The influence of stocking density on broiler chicken bone quality and fluctuating asymmetry. Poult Sci, 91, 1759-1767.
• Bulbul A, Bulbul T, Kucukersan S, Sireli M, Eryavuz A, 2008. Effects of dietary supplementation of organic and inorga- nic Zn, Cu and Mn on oxidant/antioxidant balance in laying hens. Kafkas Univ Vet Fak Derg, 14, 19-24.
• Conly AK, Poureslami R, Koutsos EA, Batal AB, Jung B, Beck- stead R, Peterson DG, 2012. Tolerance and efficacy of triba- sic manganese chloride in growing broiler chickens. Poult Sci, 91, 1633-1640. Dawkins MS, Donnelly CA, Jones TA, 2004. Chicken welfare is influenced more by housing conditions than by stocking density. Nature, 22, 342-344.
• Deo C, Shrivastava HP, Tyagi P, Mandal AB, Elangovan AV, Singh DP, 2006. Effect of feeding different levels of dietary calcium and manganese on production performance and egg quality traits in frizzle x White Leghorn layers. Ind J Poult Sci, 41, 262-265.
• Dozier WA, Thaxton JP, Purswell JL, Olanrewaju HA, Branton SL, Roush WB, 2006. Stocking density effects on male bro- ilers grown to 1.8 kilograms of body weight. Poult Sci, 85, 344-351.
• Duncan IJ, 2001. Animal welfare issues in the poultry in- dustry: Is there a lesson to be learned?. Appl Anim Welf Sci, 4, 207-221.
• Elson HA, 2010. Poultry housing and husbandry. Br Poult Sci, 51, 23-34.
• European Commission, 2010. The welfare of chickens kept for meat production (broilers). Report of the scientific committee on animal health and animal welfare. Official Journal of the European Union, pp: 62-65.
• Feldman BF, Zinkl JG, Jain NC, 2000. Schalm’s Veterinary He- matology, 5th edition, Lippincott Williams and Wilkins, Baltimore, UK, pp: 1147-1154.
• Henry PR, Ammerman CB, Littell RC, 1992. Relative bioa- vailability of manganese from a manganese-methionine complex and inorganic sources for ruminants. J Dairy Sci, 75, 3473-3478.
• Henry PR, Ammerman CB, Miles RD, 1989. Relative bioavai- lability of manganese in a manganese-methionine complex for broiler chicks. Poult Sci, 68, 107-112.
• Hubbard LLC, 2004. Management guide for broiler. Hubbard LLC, Duluth GA, 30096, USA. Jones TA, Donnelly CA, Dawkins MS, 2005. Environmental and management factors affecting the welfare of chickens on commercial farms in the United Kingdom and Denmark stocked at five densities. Poult Sci, 84, 1155-1165.
• Leeson S, Summers JD, 2001. Nutrition of the Chicken. Uni- versity Books, Guelph, Canada. Lynch M, Thorp BH, Whitehead CC, 1992. Avian tibial dyschondroplasia as a cause of bone deformity. Avian Pat- hol, 21, 275-285. Martrechar A, Boilletot E, Huonnic D, Pol F, 2002. Risk factors for on ascitis incidence in broiler chickens. Poult Sci, 74, 1586-1590.
• Maxwell MH, 1993. Avian blood leucocyte responses to stress. World Poult Sci, 49, 34-43. Mertz W, 1993. Chromium in human nutrition: A review. J Nutr, 123, 626-633.
• Moonsie-Shageer S, Mowat DN, 1993. Effect of level of supp- lemental chromium on performance, serum constituents, and immune status of stressed feeder calves. J Anim Sci, 71, 232-238.
• Sands JS, Smith MO, 1999. Broilers in heat stress conditions: Effects of dietary manganese proteinate or chromium pi- colinate supplementation. J Appl Poult Res, 8, 280-287.
• Scheideler SE, 1991. Interaction of dietary calcium, manga- nese, and manganese source (Mn oxide or Mn methionine complex) on chick performance and manganese utilizati- on. Poult Sci, 29, 217-228.
• Skrbic Z, Pavlovski Z, Lukic M, 2009. Stocking density–factor of production performance, quality and broiler welfare. Biot Anim Husb, 25, 359-372. Smith MO, Sherman LL, Miller LC, Robbins KR, 1995. Rela- tive biological availability of manganese from manganese proteinate, manganese sulfate, and manganese oxide in broilers reared at elevated temperatures. Poult Sci, 74, 702-707.
• Su G, Sorensen P, Kestin SC, 1999. Meal feeding is more ef- fective than feed restriction at reducing leg weakness in broiler chickens. Poult Sci, 78, 949-955.
• Yang XJ, Sun XX, Li CY, Wu XH, Yao JH, 2011 Effects of cop- per, iron, zinc, and manganese supplementation in a corn and soybean meal diet on the growth performance, meat quality, and immune responses of broiler chickens. J Appl Poult Res, 20, 263-271.