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Title: Femur properties of embryo in the layer hybrid and pure breeds
Authors: Onbaşılar, Esin Ebru
Güngör, Ö. F.
Demir, Teyfik
Elibol Erbay, F. K.
Kahraman, M.
Taban, Süleyman
Çalık, Ali
Pirpanahi, Mahlagha
Keywords: Pure breed
Issue Date: 1-Oct-2018
Publisher: Fundacao APINCO de Ciencia e Tecnologia Avicolas
Source: Onbaşılar, E. E., Güngör, Ö. F., Demir, T., Erbay, F. K., Kahraman, M., Taban, S., ... & Pirpanahi, M. (2018). Femur Properties of Embryo in the Layer Hybrid and Pure Breeds. Brazilian Journal of Poultry Science, 20(4), 805-810.
Abstract: Layer hybrids are more superior in the egg yield than pure breeds. But this superiority causes some problems in the bones during the production period. There are a lot of differences among genotypes in the production period that have been examined extensively, however, the differences throughout incubation period aren’t known yet. Thus, the objective of this study was to evaluate the differences in femur properties of pure breed and layer hybrid embryos during the incubation period. A total of 354 fresh hatching eggs were used from one hybrid (Lohman White) and two pure breeds (Denizli & Gerze). The eggs were incubated. Hatching eggs from each genotype at the beginning of embryonic days (E) 19 and E21 were examined. At these embryonic ages, 12 eggs were selected from each genotype. The eggs were opened and embryos were sacrificed by cervical dislocation. Both femurs were dissected from each embryo and then structure, mineral composition and mechanical properties of femur were determined. The genotype affected the length, width and Zn level in the femur of embryos. Weight, length, width, load of yield and ultimate, ash and all examined minerals increased with embryonic development. These results showed that some femur properties of embryos were influenced by the genotype and layer hybrid embryos are beginning to be advantageous in terms of Zn level in the femur at E21. This study leads to better understanding femur development during the incubation period in layer hybrid and pure breeds.
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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