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Effect of egg shape index on hatching performance and gender

Year 2025, Volume: 12 Issue: 1, 122 - 128

Abstract

In this study, the effects of shape index on chick length, gender, fertility rate, hatchability and hatching power in hatching eggs were investigated. The data of the study consisted of 1008 broiler hatching eggs. The data were analyzed using chi-square in the SPSS package program. As a result of the study, the best results in hatchability, embryonic deaths and fertility rates were obtained from the group where the shape index was between 72-76%. Therefore, it is important for hatching eggs to have a shape index between 72-76% (normal shape) for successful hatching.

References

  • Abiola, S. S., Meshioye, O.O., Oyerinde, B. O, Bamgbose, M. A. (2008). Effect of egg size on hatchability of broiler chicks. Archivos de Zootecnia, 57, 83–86.
  • Aksoy F.T. Tavuk Yetiştiriciliği. 3. Baskı, Şahin Matbaası. 1999.
  • Alabi, O. J., Ng`ambi, J. W., Norris, D. & Mabelebele, M. (2012). Effect of egg weight on hatchability and subsequent performance of potchefstroom koekoek chicks. Asian Journal of Animal and Veterinary Advances, 7, 718-725. DOİ: 10.3923/ajava.2012.718.725
  • Alaşahan, S., & Akpinar, G. Ç. (2013). An investigation on the determination of factors influencing chick sex prediction in hatching eggs. African Journal of Agricultural Research. 9(6), 603-606. DOI: 10.5897/AJAR2013.8230.
  • Aşcı, E., & Durmuş, İ. (2015). Tavuklarda Yumurta Şekil İndeksinin Kuluçka Özellikleri Üzerine Etkisi. Türk Tarım-Gıda Bilim ve Teknoloji Dergisi, 3(7), 583-587.
  • Coskun, I., Tad, M., Filik, G., Altop, A., Sahin, A., Erener, G., Samli, H. E. (2017). Dietary symbiotic supplementation alters the ileal histomorphology and caecal pathogen micro-organism in broiler chicks. J. Livestock Sci., 8, 109-114.
  • Çelik, Ş., Şengül, T., İnci, H., Söğüt, B., Şengül, Y., Kuzu, Ç., Ayaşan, T. (2017). Estimation of egg weight from some external and internal quality characteristics in quail by using various data mining algorithms. Indian Journal of Animal Sciences, 87(12), 1524–1530.
  • Durmuş, İ. (2014). Yumurta kalite özelliklerinin kuluçka sonuçlarına etkisi. Akademik Ziraat Dergisi, 3(2), 95-99. Elibol, O. (2009). Embriyo gelişimi ve kuluçka.(Ed:M.Türkoğlu &M Sarıca), Tavukçuluk Bilimi Yetiştirme, Besleme ve Hastalıklar.Bey Ofset Matbaacılık, 3. Basım, Ankara, s.140- 184.
  • Górecki, M. T., Nowaczewski, S., Grzegrzółka, B., Szablewski, T., Stuper-Szablewska, K., Rudzińska, M., Cegielska-Radziejewska, R., Biadała, A., Tomczyk, L., Hejdysz, M., Racewicz, P., Gruszczyńska, J. (2020). Morphological and biochemical traits of pheasant Phasianus colchicus eggs in relation to embryo sex and egg laying date. Animal Science Papers and Reports, 38 (2), 181-194.
  • Idahor, K. O., Akinola, L. A. F. & Chia, S. S. (2015). Predetermination of Quail Chick Sex Using Egg Indices in North Central Nigeria J. Anim. Pro. Adv., 5(1), 599-605. DOI: 10.5455/japa.20141223074311
  • İnci, H, Celik, S., Sogut, B., Sengul, T., & Karakaya, E. (2015). Figuring out the effects of different feather color on the characteristics of interior and exterior egg quality of Japanese quail by using Kruskal-Wallis Tests. Türk Tarım ve Doğa Bilimleri Dergisi, 2, 112-118.
  • Indarsih, B., Tamzil, M. H., Kisworo, D., & Aprilianti, Y. (2021). Egg shape index for sex determination of post-hatch chicks in Pekinducks: a solution for smallholder duck farming in LombokIndonesia. Livestock Research for Rural Development, 33(4).
  • Iqbal, J., Khan, S. H., Mukhtar, N., Ahmed, T., & Pasha, R. A. (2016). Effects of egg size (weight) and age on hatching performance and chick quality of broiler breeder. Journal of Applied Animal Research, 44(1), 54-64, DOI: 10.1080/09712119.2014.987294
  • Jacqueline, P., Richard, J., Miles, D., & Ben Mather, F. (2000). Egg Quality 1. Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences. http://edis.ifas.ufl.edu.
  • Kaleta, E. F., Redmann, T. (2008). Approaches to determine the sex prior to and after incubation of chicken eggs and of day-old chicks. WPSA, 64, 391-399.
  • Kamanlı, S., & Durmuş, K. (2014). Civciv Kalitesi Değerlendirme Yöntemleri ve Civciv Kalitesinin İyileştirilmesi Konusundaki Son Yaklaşımlar. Tavukçuluk Araştırma Dergisi, 11(1), 40–44.
  • Karakaya, E., İnci, H. (2014). Bingöl İli Merkez İlçesi Hane Halkının Kanatlı Eti Tüketim Tercihleri. U. Ü. Ziraat Fakültesi Dergisi, 28(1), 53-64.
  • Kayadan, M., Uzun, Y. (2023). High accuracy gender determination using the egg shape index. Sci Rep, 13, 504. https://doi.org/10.1038/s41598-023-27772-4.
  • Khurshid, A., Farooq, M., Durrani, F. R., Sarbiland, K., Manzoor, A. (2004). Hatching performance of Japanese quails, Lives. Res. Rur. Dev., 16, 1-5.
  • King’ori A. M. (2011). Review of the factors that influence egg fertility and hatchability in poultry. Indian J Poult Sci., 10, 483–492.
  • Kirk, S., Emmans, G. C., Mcdonald R, Arnot, D. (1980). Factors affecting the hatchability of eggs from broiler breeders. Br Poult Sci. 21, 37–53.
  • Kruenti, F., Lamptey, V. K., Okai, M. A., Adu-Aboagye, G., Oduro-Owuso, A. D. Bebanaayele, F., Suurbessig, F. (2022). The influence of flock age and egg size on egg shape index, hatchability and growth of japanese quail chicks. Journal of Innovative Agriculture, 9(1), 8-16, DOI: 10.37446/jinagri/rsa/9.1.2022.8-16.
  • Maltsev, A., Omarkozhauly, N., Senkebayeva, D. (2018). Сommunication of Parameters of Hatching Eggs With Hatchability and Sex Determination of Birds. Международный научно-исследовательский журнал. 12(78), 1 DOI: https://doi.org/10.23670/IRJ.2018.78.12.035.
  • McLoughlin, L. & Gous, R. M. (1999). The effect of egg size on pre-and post-natal growth of broiler chickens. World Poultry, 15(8), 34-37.
  • Meijerhof, R. (2009). The influence of incubation on chick quality and broiler performance. In 20th Annual Australian Poultry Science Symposium. Sydney, New South Wales. 9 – 11th February 2009.
  • Molenaar, R., Reijrink, I. A. M., Meijerhof, R., Brand, H. V. D. (2008). Relationship between hatchling length and weight on later productive performance in broilers. World's Poultry Science Journal, 64(4), 599-604.
  • Mulder, J, Wollan, O. (1974). How to sex an egg. Mother Earth News. Available from: http://www.motherearthnews.com/ Sustainable-Farming/1974-01-01/How-to-Sex-an-Egg.aspx.
  • Pastrana, C. I., Navas González, F. J., Marín Navas, C., Arando Arbulu, A., González Ariza, A., León Jurado, J. M., et al. (2019). Sexual dimorphism for coping styles complements traditional methods for sex determination in a multivariety endangered hen breed. Animals, 9, 1165. doi: 10.3390/ani9121165.
  • Patbandha, T. K., Garg, D. D., Marandi, S., Vaghamashi, D. G., Patil, S.S., & Savsani, H. H. (2017). Effect of chick weight and morphometric traits on growth performance of coloured broiler chicken. Journal of Entomology and Zoology Studies, 5(6), 1278-1281.
  • Pesmen, G. (2023). Research on the relations between some parameters for daily aged domestic goose chick. Journal of Radiation Research and Applied Sciences, 16, 100709. https://doi.org/10.1016/j.jrras.2023.100709
  • Petek, M., Orman, A., Dikmen, S., Alpay, F. (2008). Relations Between Day-old Chick Length and Body Weight in Broiler, Quail and Layer. Uludag Univ. J. Fac. Vet. Med,. 27(1-2), 25-28.
  • Rutkowska, J., Dubiec, A., Nakagawa, S. (2014). All eggs are made equal: meta-analysis of egg sexual size dimorphism in birds. Journal of Evolutionary Biology, 27, 153-160. https://doi.org/10.1111/jeb.12282
  • Sabah, Ş. & Şahan, Ü. (2018). Effect of Egg Weight on Eggshell Thickness, Pore Density and Chick Quality in Broiler Breeder Flock. Jounal of Agricultural Faculty of Bursa Uludag University. 32(2), 123-130.
  • Saatci, M., Arslan, C., Unal, Y., Tilki, M., Aksoy, A. R. (2011). Effect of fattening length, sex and feather color on growth and fattening performance in native Turkish geese. Eurasian J. Vet. Sci. 27(3),183-189.
  • Shafey, T., Hussein, E. O. S., Al-Batshan, H. A. (2013). The effect of sex on the accuracy of predicting carcass composition of Ross broiler chickens. The Journal of Animal and Plant Sciences, 23(4), 975.
  • Salgado Pardo, J. I., Navas González, F. J., González Ariza, A., Arando Arbulu, A., León Jurado, J. M., Delgado Bermejo, J. V. & Camacho Vallejo, M. E. (2022). Traditional sexing methods and external egg characteristics combination allow highly accurate early sex determination in an endangered native turkey breed. Front. Vet. Sci. 9:948502. doi: 10.3389/fvets.2022.948502
  • Sarı, M., Tilki, M., Saatci, M., Işık, S., Önk, K. (2010). Japon Bıldırcınlarında (Coturnix coturnix japonica) Ebeveyn Yaşı, Yumurta Ağırlığı ve Şekil İndeksinin Kuluçka Özellikleri ve Yaşama Gücü Üzerine Etkisi. F.Ü. Sağ. Bil. Vet. Derg., 24(2), 93 – 97. http://www.fusabil.org
  • Sari, M., Sari, T, Önk, K., Isik, S. (2013). Effects of production system and gender on liveweight and body measurements Pekin ducks. Atatürk Univ. J. Vet. Sci., 8(2), 112-121.
  • Sözcü, A., & İpek, A. (2013). Kuluçka koşullarının Civciv kalitesi ve broiler performansı üzerine etkileri. Uludağ Üniversitesi Ziraat Fakültesi Dergisi, 27(2), 139–146.
  • SPSS. (2013). IBM SPSS Statistics 22.0 for Windows. Armonk, N.Y.
  • Suk, Y. O. (2004). The association of growth rate with body weight or shank length at birth in broiler chickens. Korean Journal of Poultry Science. 31(3), 157-164.
  • Şeremet, Ç. (2012). Civciv kalitesini etkileyen etmenler ve değerlendirme yöntemleri. Hayvansal Üretim, 53, 38-43.
  • Taşkın, A., Karadavut, U., Cayan, H., Genc, S., Coskun, İ. (2015). Determination of small variation effects of egg weight and shape index on fertility and hatching rates in Japanese Quail (Coturnix coturnix japonica). Journal of Selçuk University Natural and Applied Science, 4(2), 73-83.
  • Tona, K., Bamelis, F., Couke, W., Bruggeman, V., Decuypere, E. (2001). Relationship between broiler breeders age and egg weight loss and embryonic mortality during incubation in large scale conditions. J Appl Poult Res. 10, 221–227.
  • Tona, K., Onagbesan, O., De Ketelaere, B., Decuypereand, E. and Bruggeman,V. 2004. Effects of age of broiler breeders and egg storage on egg quality, hatchability, chick quality, chick weight, and chick posthatch growth to forty-two days. The Journal of Applied Poultry Research, 13, 10-18.
  • Tran, H. T., Ferrell, W., Butt, T. R. (2010). An estrogen sensor for poultry sex sorting. J. Anim. Sci., 88,1358-1364. Türkoğlu, M., Sarıca, M. (2014). Tavukçuluk Bilimi. Yetiştirme, Besleme, Hastalıklar. Bey-Ofset Matbaacılık, Ankara, 671 sayfa.
  • Vieira, S. L., Almeida, J. G., Lima, A. R., Conde, O. R. A., Olmos, A. R. (2005). Hatching distribution of eggs varying in weight and breeder age. Braz J Poult Sci., 7, 73-78.
  • Williams, T. D. (1994). Intraspecific variation in egg size and egg composition in birds: effects on offspring fitness. Biol Rev., 69, 35-59.
  • Willemsen, H., Everaert, N., Witters, A., De Smit, L., Debonne, M., Verschuere, F., Bruggema, V. (2008). Critical assessment of chick quality measurements as an indicator of posthatch performance. Poultry Science, 87, 2358-2366. https ://doi.org/10.3382/ps.2008-00095.
  • Wilson, H. R. (1991). Interrelationships of egg size, chick size, post hatching growth and hatchability. J World’s Poult Sci. 47, 5–20.
  • Wolanski, N.J., Luiten, E., Meijerhof, R., Vereijken, A. L. J. (2005). Yolk utilisation and chick length as parameters for embryo development. Avian and Poultry Biology Reviews, 15, 233-239.
  • Wyatt, C. L., Weaver, Jr W. D., Beane, W. L. (1985). Influence of egg size, eggshell quality, and posthatch holding time on broiler performance. Poult Sci., 64, 2049–2055.
  • Yilmaz-Dikmen, B., Dikmen, S. (2013). A Morphometric Method of Sexing White Layer Eggs. Brazilian Journal of Poultry Science Revista Brasileira de Ciência Avícola, 15(3), 169-286. https://doi.org/10.1590/S1516-635X2013000300006

Yumurta şekil indeksinin kuluçka performansı ve cinsiyet üzerine etkisi

Year 2025, Volume: 12 Issue: 1, 122 - 128

Abstract

Bu çalışmada kuluçkalık yumurtalarında şekil indeksinin, civciv uzunluğu, cinsiyet, döllülük oranı, kuluçka randımanı, çıkış gücü üzerine etkileri incelenmiştir. Çalışmanın verilerini 1008 adet kuluçkalık broyler yumurtası oluşturmuştur. Veriler SPSS paket programında ki-kare kullanılarak analiz edilmiştir. Çalışma sonucunda çıkış gücü, embriyonik ölümler, döllülük oranında en iyi sonuçlar şekil indeksinin %72-76 arasında olduğu gruptan elde edilmiştir. Dolayısıyla kuluçkalık yumurtalarda şekil indeksinin %72-76 arasında (normal şekilli) olması başarılı bir kuluçka için önemlidir.

References

  • Abiola, S. S., Meshioye, O.O., Oyerinde, B. O, Bamgbose, M. A. (2008). Effect of egg size on hatchability of broiler chicks. Archivos de Zootecnia, 57, 83–86.
  • Aksoy F.T. Tavuk Yetiştiriciliği. 3. Baskı, Şahin Matbaası. 1999.
  • Alabi, O. J., Ng`ambi, J. W., Norris, D. & Mabelebele, M. (2012). Effect of egg weight on hatchability and subsequent performance of potchefstroom koekoek chicks. Asian Journal of Animal and Veterinary Advances, 7, 718-725. DOİ: 10.3923/ajava.2012.718.725
  • Alaşahan, S., & Akpinar, G. Ç. (2013). An investigation on the determination of factors influencing chick sex prediction in hatching eggs. African Journal of Agricultural Research. 9(6), 603-606. DOI: 10.5897/AJAR2013.8230.
  • Aşcı, E., & Durmuş, İ. (2015). Tavuklarda Yumurta Şekil İndeksinin Kuluçka Özellikleri Üzerine Etkisi. Türk Tarım-Gıda Bilim ve Teknoloji Dergisi, 3(7), 583-587.
  • Coskun, I., Tad, M., Filik, G., Altop, A., Sahin, A., Erener, G., Samli, H. E. (2017). Dietary symbiotic supplementation alters the ileal histomorphology and caecal pathogen micro-organism in broiler chicks. J. Livestock Sci., 8, 109-114.
  • Çelik, Ş., Şengül, T., İnci, H., Söğüt, B., Şengül, Y., Kuzu, Ç., Ayaşan, T. (2017). Estimation of egg weight from some external and internal quality characteristics in quail by using various data mining algorithms. Indian Journal of Animal Sciences, 87(12), 1524–1530.
  • Durmuş, İ. (2014). Yumurta kalite özelliklerinin kuluçka sonuçlarına etkisi. Akademik Ziraat Dergisi, 3(2), 95-99. Elibol, O. (2009). Embriyo gelişimi ve kuluçka.(Ed:M.Türkoğlu &M Sarıca), Tavukçuluk Bilimi Yetiştirme, Besleme ve Hastalıklar.Bey Ofset Matbaacılık, 3. Basım, Ankara, s.140- 184.
  • Górecki, M. T., Nowaczewski, S., Grzegrzółka, B., Szablewski, T., Stuper-Szablewska, K., Rudzińska, M., Cegielska-Radziejewska, R., Biadała, A., Tomczyk, L., Hejdysz, M., Racewicz, P., Gruszczyńska, J. (2020). Morphological and biochemical traits of pheasant Phasianus colchicus eggs in relation to embryo sex and egg laying date. Animal Science Papers and Reports, 38 (2), 181-194.
  • Idahor, K. O., Akinola, L. A. F. & Chia, S. S. (2015). Predetermination of Quail Chick Sex Using Egg Indices in North Central Nigeria J. Anim. Pro. Adv., 5(1), 599-605. DOI: 10.5455/japa.20141223074311
  • İnci, H, Celik, S., Sogut, B., Sengul, T., & Karakaya, E. (2015). Figuring out the effects of different feather color on the characteristics of interior and exterior egg quality of Japanese quail by using Kruskal-Wallis Tests. Türk Tarım ve Doğa Bilimleri Dergisi, 2, 112-118.
  • Indarsih, B., Tamzil, M. H., Kisworo, D., & Aprilianti, Y. (2021). Egg shape index for sex determination of post-hatch chicks in Pekinducks: a solution for smallholder duck farming in LombokIndonesia. Livestock Research for Rural Development, 33(4).
  • Iqbal, J., Khan, S. H., Mukhtar, N., Ahmed, T., & Pasha, R. A. (2016). Effects of egg size (weight) and age on hatching performance and chick quality of broiler breeder. Journal of Applied Animal Research, 44(1), 54-64, DOI: 10.1080/09712119.2014.987294
  • Jacqueline, P., Richard, J., Miles, D., & Ben Mather, F. (2000). Egg Quality 1. Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences. http://edis.ifas.ufl.edu.
  • Kaleta, E. F., Redmann, T. (2008). Approaches to determine the sex prior to and after incubation of chicken eggs and of day-old chicks. WPSA, 64, 391-399.
  • Kamanlı, S., & Durmuş, K. (2014). Civciv Kalitesi Değerlendirme Yöntemleri ve Civciv Kalitesinin İyileştirilmesi Konusundaki Son Yaklaşımlar. Tavukçuluk Araştırma Dergisi, 11(1), 40–44.
  • Karakaya, E., İnci, H. (2014). Bingöl İli Merkez İlçesi Hane Halkının Kanatlı Eti Tüketim Tercihleri. U. Ü. Ziraat Fakültesi Dergisi, 28(1), 53-64.
  • Kayadan, M., Uzun, Y. (2023). High accuracy gender determination using the egg shape index. Sci Rep, 13, 504. https://doi.org/10.1038/s41598-023-27772-4.
  • Khurshid, A., Farooq, M., Durrani, F. R., Sarbiland, K., Manzoor, A. (2004). Hatching performance of Japanese quails, Lives. Res. Rur. Dev., 16, 1-5.
  • King’ori A. M. (2011). Review of the factors that influence egg fertility and hatchability in poultry. Indian J Poult Sci., 10, 483–492.
  • Kirk, S., Emmans, G. C., Mcdonald R, Arnot, D. (1980). Factors affecting the hatchability of eggs from broiler breeders. Br Poult Sci. 21, 37–53.
  • Kruenti, F., Lamptey, V. K., Okai, M. A., Adu-Aboagye, G., Oduro-Owuso, A. D. Bebanaayele, F., Suurbessig, F. (2022). The influence of flock age and egg size on egg shape index, hatchability and growth of japanese quail chicks. Journal of Innovative Agriculture, 9(1), 8-16, DOI: 10.37446/jinagri/rsa/9.1.2022.8-16.
  • Maltsev, A., Omarkozhauly, N., Senkebayeva, D. (2018). Сommunication of Parameters of Hatching Eggs With Hatchability and Sex Determination of Birds. Международный научно-исследовательский журнал. 12(78), 1 DOI: https://doi.org/10.23670/IRJ.2018.78.12.035.
  • McLoughlin, L. & Gous, R. M. (1999). The effect of egg size on pre-and post-natal growth of broiler chickens. World Poultry, 15(8), 34-37.
  • Meijerhof, R. (2009). The influence of incubation on chick quality and broiler performance. In 20th Annual Australian Poultry Science Symposium. Sydney, New South Wales. 9 – 11th February 2009.
  • Molenaar, R., Reijrink, I. A. M., Meijerhof, R., Brand, H. V. D. (2008). Relationship between hatchling length and weight on later productive performance in broilers. World's Poultry Science Journal, 64(4), 599-604.
  • Mulder, J, Wollan, O. (1974). How to sex an egg. Mother Earth News. Available from: http://www.motherearthnews.com/ Sustainable-Farming/1974-01-01/How-to-Sex-an-Egg.aspx.
  • Pastrana, C. I., Navas González, F. J., Marín Navas, C., Arando Arbulu, A., González Ariza, A., León Jurado, J. M., et al. (2019). Sexual dimorphism for coping styles complements traditional methods for sex determination in a multivariety endangered hen breed. Animals, 9, 1165. doi: 10.3390/ani9121165.
  • Patbandha, T. K., Garg, D. D., Marandi, S., Vaghamashi, D. G., Patil, S.S., & Savsani, H. H. (2017). Effect of chick weight and morphometric traits on growth performance of coloured broiler chicken. Journal of Entomology and Zoology Studies, 5(6), 1278-1281.
  • Pesmen, G. (2023). Research on the relations between some parameters for daily aged domestic goose chick. Journal of Radiation Research and Applied Sciences, 16, 100709. https://doi.org/10.1016/j.jrras.2023.100709
  • Petek, M., Orman, A., Dikmen, S., Alpay, F. (2008). Relations Between Day-old Chick Length and Body Weight in Broiler, Quail and Layer. Uludag Univ. J. Fac. Vet. Med,. 27(1-2), 25-28.
  • Rutkowska, J., Dubiec, A., Nakagawa, S. (2014). All eggs are made equal: meta-analysis of egg sexual size dimorphism in birds. Journal of Evolutionary Biology, 27, 153-160. https://doi.org/10.1111/jeb.12282
  • Sabah, Ş. & Şahan, Ü. (2018). Effect of Egg Weight on Eggshell Thickness, Pore Density and Chick Quality in Broiler Breeder Flock. Jounal of Agricultural Faculty of Bursa Uludag University. 32(2), 123-130.
  • Saatci, M., Arslan, C., Unal, Y., Tilki, M., Aksoy, A. R. (2011). Effect of fattening length, sex and feather color on growth and fattening performance in native Turkish geese. Eurasian J. Vet. Sci. 27(3),183-189.
  • Shafey, T., Hussein, E. O. S., Al-Batshan, H. A. (2013). The effect of sex on the accuracy of predicting carcass composition of Ross broiler chickens. The Journal of Animal and Plant Sciences, 23(4), 975.
  • Salgado Pardo, J. I., Navas González, F. J., González Ariza, A., Arando Arbulu, A., León Jurado, J. M., Delgado Bermejo, J. V. & Camacho Vallejo, M. E. (2022). Traditional sexing methods and external egg characteristics combination allow highly accurate early sex determination in an endangered native turkey breed. Front. Vet. Sci. 9:948502. doi: 10.3389/fvets.2022.948502
  • Sarı, M., Tilki, M., Saatci, M., Işık, S., Önk, K. (2010). Japon Bıldırcınlarında (Coturnix coturnix japonica) Ebeveyn Yaşı, Yumurta Ağırlığı ve Şekil İndeksinin Kuluçka Özellikleri ve Yaşama Gücü Üzerine Etkisi. F.Ü. Sağ. Bil. Vet. Derg., 24(2), 93 – 97. http://www.fusabil.org
  • Sari, M., Sari, T, Önk, K., Isik, S. (2013). Effects of production system and gender on liveweight and body measurements Pekin ducks. Atatürk Univ. J. Vet. Sci., 8(2), 112-121.
  • Sözcü, A., & İpek, A. (2013). Kuluçka koşullarının Civciv kalitesi ve broiler performansı üzerine etkileri. Uludağ Üniversitesi Ziraat Fakültesi Dergisi, 27(2), 139–146.
  • SPSS. (2013). IBM SPSS Statistics 22.0 for Windows. Armonk, N.Y.
  • Suk, Y. O. (2004). The association of growth rate with body weight or shank length at birth in broiler chickens. Korean Journal of Poultry Science. 31(3), 157-164.
  • Şeremet, Ç. (2012). Civciv kalitesini etkileyen etmenler ve değerlendirme yöntemleri. Hayvansal Üretim, 53, 38-43.
  • Taşkın, A., Karadavut, U., Cayan, H., Genc, S., Coskun, İ. (2015). Determination of small variation effects of egg weight and shape index on fertility and hatching rates in Japanese Quail (Coturnix coturnix japonica). Journal of Selçuk University Natural and Applied Science, 4(2), 73-83.
  • Tona, K., Bamelis, F., Couke, W., Bruggeman, V., Decuypere, E. (2001). Relationship between broiler breeders age and egg weight loss and embryonic mortality during incubation in large scale conditions. J Appl Poult Res. 10, 221–227.
  • Tona, K., Onagbesan, O., De Ketelaere, B., Decuypereand, E. and Bruggeman,V. 2004. Effects of age of broiler breeders and egg storage on egg quality, hatchability, chick quality, chick weight, and chick posthatch growth to forty-two days. The Journal of Applied Poultry Research, 13, 10-18.
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There are 53 citations in total.

Details

Primary Language English
Subjects Poultry Farming and Treatment
Journal Section Research Article
Authors

Günnur Peşmen 0000-0002-9164-6629

Early Pub Date January 25, 2025
Publication Date
Submission Date November 8, 2024
Acceptance Date December 2, 2024
Published in Issue Year 2025 Volume: 12 Issue: 1

Cite

APA Peşmen, G. (n.d.). Effect of egg shape index on hatching performance and gender. Turkish Journal of Agricultural and Natural Sciences, 12(1), 122-128. https://doi.org/10.30910/turkjans.1581699