Abstract
Received: 2015-07-15  |  Accepted: 2015-11-03  |  Available online: 2016-04-23 dx.doi.org/10.15414/afz.2016.19.01.11-14 There were observed the effects of administration of humic substances on health , feed conversion , production parameters , egg quality and hatchability of pheasants . The supplement of humic substances at the concentration 0.5% in the feed mixture significantly influenced the hatchability percentage of pheasant chicks. The hatchability 72.9% was achieved in the group without addition of humic substances . On the contrary, the hatchability 83.4% was achieved in the experimental group in the case of addition of humic substances . The pheasants of the experimental group had a higher consumption of feed by 0.27 kg per 1 kg of produced eggs , lower production of eggs per one hen and the weight of eggs was lower by 1.15 g.  Keywords: pheasant, humic substances production, eggs, hatchability References ABDEL-MAGEED, M.A.A. (2012) Effect of dietary humic substances supplementation on performance and immunity of Japanese quail. Egyptian Poultry Science , vol. 32, no. 3, pp. 645-660. ARAFAT, R.Y. et al. (2015) Effect of dietary humic acid via drinking water onthe performance and egg quality of commercial layers. American Journal of Biology and Life Sciences , vol. 3, no. 2, pp. 26-30. EL-HUSSEINY, O.M., ABDALLAH, A.G. and ABDEL-LATIF, K.O. (2008) The influence of biological feed additives on broiler performance . International Journal of Poultry Science, vol. 7, no. 9, pp. 862-871. EMEA (1999) Committee for veterinary medicinal products. Humic acids and their sodium salts . [Online] Last modified April 21, 2008. Retrieved October 10, 2015 from http://www.emea.eu.int/pdfs/vet/mrls/055499en.pdf EREN, M. et al. (2000) Broyler yemlerine katilan humatlarin besi performansi, serum mineral konsantrasyonu ve kemik külü üzerine etkileri. Ankara Ãniversitesi Veteriner Fakültesi Dergisi , vol. 47, no. 3, pp. 255-263. ESENBUÄA, N. et al. (2008) Effects of dietary humate supplementation to broilers on performance, slaughter, carcass and meat colour. In Journal of the Science of Food and Agriculture , vol. 88, no. 7, pp. 1201-1207. doi: http://dx.doi.org/10.1002/jsfa.3199 HAYIRLI, A. et al. (2005) Nutrition Practice to Alleviate the Adverse Effects of Stress on Laying Performance, Metabolic Profile, and Egg Quality in Peak Producing Hens: I. The Humate Supplementation. Asian-Australian Journal of Animal Science , vol. 18, no. 9, pp. 1310-1319. KARAOGLU, M. et al. (2004) Effect of supplemental humate at different levels on the growth performance, slaughter and carcass traits of broilers. International Journal of Poultry Science , vol. 3, no. 6, pp. 406-410. KOCABAÄLI, N. et al. (2002) The effects of dietary humate supplementation on broiler growth and carcass yield. Poultry Science , vol. 81, no. 2, pp. 227-230. KUCUKERSAN, S. et al. (2005) The effects of humic acid on egg production and egg traits of laying hen. Veterinary Medicine (in Czech) , vol. 50, no. 9, pp. 406-410. MIRNAWATI, Y.R. and MARLIDA, Y. (2013) Effects of humic acid addition via drinking water on the performance of broilers fed diets containing fermented and non-fermented palm kernel cake. Archiva Zootechnica , vol. 16, no. 1, pp. 41-53. OZTURK, E. et al. (2009) Effects of dietary humic substances on egg production and egg shell quality of hens after peak laying period. African Journal of Biotechnology , vol. 8, no. 6, pp. 1155-1159. OZTURK, E. et al. (2012) Performance, carcass, gastrointestinal tract and meat quality traits, and selected blood parameters of broilers fed diets supplemented with humic substances. Journal of the Science of Food and Agriculture , vol. 92, no. 1, pp. 59-65. doi: http://dx.doi.org/10.1002/jsfa.4541 SKOKANOVÃ, M. and DERCOVÃ, K. (2008) Humic acids. The origin and structure. Chemické Listy , vol. 102, no. 4, pp. 262-268 (in Slovak). STEVENSON, F.J. (1994) Humus Chemistry: Genesis, composition, reactions. 2. ed. New York: Wiley. VESELÃ, L. et al. (2005) Structure and properties of natural humic substances type oxihumolit. Chemické Listy , vol. 99, no. 10, pp. 711-717 (in Czech). YÃRÃK, M.A. et al. (2004) The effects of supplementation of humate and probiotic on egg production and quality parameters during the late laying period in hens. Poultry Science , vol. 83, no. 1, pp. 84-88. Â
Highlights
Humic substances are organic compounds found in high quantity in peat, lignite and oxihumolite as the final degradation product of plant and animal residues (Stevenson, 1994; Skokanová and Dercová, 2008)
The aim of study was to investigate the effect of humic substances on the production parameters, egg quality and hatchability of pheasants
Yörük et al (2004) observed the administration of humates and probiotics in hens in the later laying period. He stated that the administration of humates did not have any effect on the mortality of hens at the concentrations 0.1 or 0.2 % in the feed mixture. They registered the improvement of parameters of feed conversion and the increase of production compared to the control group with not any differences in the egg quality
Summary
Humic substances are organic compounds found in high quantity in peat, lignite and oxihumolite as the final degradation product of plant and animal residues (Stevenson, 1994; Skokanová and Dercová, 2008). The positive effect of humic substances on the growth of animals, feed conversion (Kocabağli et al, 2002; El-Husseiny et al, 2008; Ozturk et al, 2012; Mirnawati and Marlida, 2013), hatchability of hens (Yörük et al, 2004; Kucukersan et al, 2005) and the viability of animals (Eren et al, 2000; Karaoglu et al, 2004; Esenbuğa et al, 2008) were observed in many studies. Because of their ability to promote the animal growth they could be suitable alternative for antibiotic growth promoters which utilization is prohibited in animal nutrition in the EU since 2006. The aim of study was to investigate the effect of humic substances on the production parameters, egg quality and hatchability of pheasants
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