Hasan ELEROĞLU, Beyhan YETER, Ökkeş AKYAR

Atak-S Horozlarında Farklı Barındırma Sistemlerinin Bazı Morfolojik Özellikler ve Asimetri Üzerine Etkisi

Bu araştırma, Atak-S horozlarında morfolojik özellikler üzerine kapalı ve serbest gezinmeli barındırma sisteminin etkisini belirlemek amacıyla yapılmıştır. Hayvanlar on yedi haftalık süre boyunca standart yem ve yemleme programı ile beslenmiştir. Barındırma sisteminin bazı morfolojik özellikler ve asimetri üzerine etkisini belirmek amacıyla, horozların baş kısmında bilateral olanlarda sağ ve sollu olmak üzere İbik uzunluğu (İU), İbik genişliği (İG), Göz genişliği (GG), Burun uzunluğu (BU), Yüz genişliği (YG), Sakal uzunluğu (SU), Gaga uzunluğu (GU) ölçümleri yapılmıştır. Ayaklarda ise sağ ve sollu olmak üzere Eklem Genişliği (EG), Tarsometatarsus uzunluğu (TU), Mahmuzun 1 cm yukarısında tarsometatarsus genişliği (MG1), Mahmuz seviyesinde tarsometatarsus genişliği (MG2), Arka parmak uzunluğu (AP), Dış parmak tırnak uzunluğu (DT), Dış Parmak 4. Phalanks uzunluğu (D4), Dış Parmak 3. Phalanks uzunluğu (D3), Orta parmak tırnak uzunluğu (OT), Orta Parmak 4. Phalanks uzunluğu (O4), Orta Parmak 3. Phalanks uzunluğu (O3) gibi morfolojik özelliklere ilişkin ölçümler alınmıştır. Tüm ölçümler dijital kumpas kullanılarak milimetrik (0,01 mm) yapılmıştır. Çift taraflı simetri gösteren özelliklerde göreceli asimetri (GA) ve dalgalı asimetri (DA) değerleri hesaplanmıştır. Elde edilen veriler üzerine yapılan istatistik analizlere göre, ATAK-S horozlarının morfolojik özelliklerinin barındırma sisteminden etkilenmediği, her iki barındırma koşullarında, üzerinde durulan karakterlerin sağ ve sol olmak üzere aynı şekilde geliştiği sonucuna varılmıştır

The Effect of Different Production Systems on Some Morphological Characteristics and Asymmetry in Atak-S Cocks

The aim of this study was to determine the effect of housing system on morphological characteristicsof Atak-S cocks reared in closed and free range systems. Cocks were fed with standard feed accordingto feeding program for seventeen weeks. In order to determine the effect of the housing system onsome morphological features and asymmetry, Crest length (İU), Crest width (İG), Eye width (GG),Nose length (BU), Face width (YG), Wattle length (SU), Beak length (GU) in bilateral features,measurements were made from the right and left sides on the head of the cocks. Furthermore, footfeatures such as Width of tarsometatarsus at the joint with tibiotarsus (EG), Length of tarsometatarsus(TU), Width at 1 cm above the spur of tarsometatarsus (MG1), Width of tarsometatarsus at the spur(MG2), Length of the back toe (AP), Length of the outer toe nail (DT), Length of the fourth phalanxof the outer toe (D4), Length of the third phalanx of the outer toe (D3), Length of the mid toe nail(OT), Length of the fourth phalanx of the mid toe (O4), Length of the third phalanx of the mid toe(O3) measurements were taken on the right and left feet of the cocks. All measurements were madein millimetres (0.01 mm) using a digital caliper. Relative asymmetry (GA) and fluctuating asymmetry(DA) values were calculated for the features showing bilateral symmetry. According to the statisticalanalysis on the obtained data, the morphological characteristics of ATAK-S cocks were not affectedby the housing system, and that the characters underlined in both housing conditions developed in thesame way as right and left.

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Broom DM. 2006. Behaviour and welfare in relation to pathology. Applied Animal Behaviour Science, 97:73–83
Campo JL, Gil MG, Mun I, Alonso M. 2000. Relationships between bilateral asymmetry and tonic immobility reaction or heterophil to lymphocyte ratio in five breeds of chickens. Poultry Science,79: 453-459.
Campo JL, Gil MG, Torres O, Da´vila SG. 2002. Fluctuating asymmetry in male secondary sexual traits: association with indicators of stress in chickens. Archiv für Geflügelkunde, 66(2): 85-89.
Clarke GM, Brand GW, Whitten MJ. 1986. Fluctuating asymmetry: a technique for measuring developmental stress caused by inbreeding. Australian Journal of Biological Sciences, 39: 145-153.
Eleroğlu H, Yıldırım A, Duman M, Şekeroğlu A. 2015. The Welfare of Slow Growing Broiler Genotypes Reared in Organic System”. Emirates Journal of Food and Agriculture, Vol. 27, no. 5, Apr. 2015, pp. 454-9,
Eleroğlu H, Yıldırım A. 2019. Organik Sistemde Kuru Kekik (Origanum vulgare L.) Yaprağı İlave Edilmiş Karma Yemle Beslenen Beç Tavuklarının (Numida meleagris) Refah Parametreleri, Journal of Poultry Research, 16(2): 74-79, 2019
Gomendio M, Cassinello J, Roldan ERS. 2000. A comparative study of ejaculate traits in three endangered ungulates with different levels of inbreeding: Fluctuating asymmetry as an indicator of reproductive and genetic stress. Proceedings of the Royal Society of London B: Biological Sciences, 1446: 875-882.
Karaarslan S. 2015. Etlik Piliçlerde Refah Kriteri Olarak Bacak Sağlığı, Korku ve Stres Parametreleri Üzerine Aydınlatma, Yerleşim Sıklığı Ve Tünek Kullanımının Etkileri, Doktora Tezi, Adnan Menderes Üniversitesi, Sağlık Bilimleri Enstitüsü, Zootekni Anabilim Dalı, Aydın
Knierim U, Van Dongen S, Forkman B, Tuyttens FAM, Spinka M, Campo JL, Weissengruber GE. 2007. Fluctuating asymmetry as an animal welfare indicator. A review of methodology and validity. Physiology & Behavior, 92: 398– 421
Lens L, Van Dongen S, Kark S, Matthysen E. 2002. Fluctuating asymmetry as an indicator of fitness: can we bridge the gap between studies? Biological Reviews, 77: 27-38.
Mendeş M, Dinçer E, Arslan E. 2007. Profile analysis and growth curve for body mass index of broiler chickens reared under different feed restrictions in early age. Archiv Tierzucht, 50: 403-411.
Mendeş M. 2008. Asymmetry measures and allometric growth parameter estimates for investigate effect of early feed restriction on deviation from bilateral symmetry in broiler chickens. Archiv Tierz Dummerstorf , 51(6): 611-619.
Moller AP, Pomiankowski A. 1993. Fluctuating asymmetry and sexual selection. Genetica (The Hague), 89: 267-279.
Moller AP, Sanotra GS, Vestergaard KS. 1995. Developmental stability in relation to population density and breed of chickens Gallus gallus. Poultry Science, 74: 1761-1771.
Moller AP, Sanotra GS, Vestergaard KS. 1999. Developmental instability and light regime in chickens (Gallus gallus). Applied Animal Behaviour Science, 62: 57-71.
Nääs IA, Baracho MS, Salgado DD, Sonoda L, Carvalho VC, Moura DJ, Paz ICLA. 2009. Broilers'toes asymmetry and walking ability assessment.EngenhariaAgrícola, 29:538-546.
Parsons PA. 1992. Fluctuating asy mmetry: A biological monitor of environmental and genomic stres. Heredity, 68:361-364.
Satterlee DG, Cadd GG, Jones RB. 2000. Developmental instability in Japanese quail genetically selected for contrasting adrenocortical responsiveness. Poultry Science, 79: 1710-1714.
Shahin KA, El Azeem FA. 2005. Effect of breed, sex and diet and their interactions on carcass composition and tissue weight distribution of broiler chickens. Archiv Tierzucht, 48: 612- 626.
Shahin KA, El Azeem FA. 2006. Effect of breed, sex and diet and their interactions on fat deposition and partitioning among depots of broiler chickens. Archiv Tierzucht, 49: 181-193.
Van Nuffel A, Tuyttens FAM, Van Dongen S, Talloen W, Van Poucke E, Sonck B, Lens L. 2007. Fluctuating asymmetry in broiler chickens: A decision protocol for trait selection in seven measuring methods. Poultry Science, 86: 2555-2568.
Van Poucke E, Van Nuffel A, Van Dongen S, Sonck B, Lens L, Tuyttens FAM. 2007. Experimental stress does not increase fluctuating asymmetry of broiler chickens at slaughter age. Poultry Science, 86: 2110-2116.
Yalçın S, Özkan S, Türkmut L, Siegel PB. 2001. Responses to heat stress in commercial and local broiler stocks. II. Developmental stability of bilateral traits. British Poultry Science,42: 153-160.
Yalçın S, Özkan S, Çabuk M, Siegel PB. 2003. Criteria for evaluating husbandry practices to alleviate heat stres in broilers. The Journal of Applied Poultry Research, 12: 382- 388.
Yalçın S, Siegel PB. 2003. Exposure to cold or heat during incubation on developmental stability of broiler embryos. Poultry Science, 82: 1388-1392.
Yang A, Dunnington EA, Siegel PB. 1997. Developmental stability in stocks of White Leghorn chickens. Poultry Science, 76: 1632-1636.
Yang A. 1998. Bilateral Asymmetry in Chickens of Different Genetic Backgrounds. The faculty of the Virginia Polytechnic Institute and State University, PhD. p.128, Thesis, Blacksburg, Virginia.