ankara univ vet fak derg

Ankara Üniversitesi Veteriner Fakültesi Dergisi

1300-0861 1308-2817

Ankara University

10.1501/Vetfak_0000002826

Veterinary Surgery

Veteriner Cerrahi

Some egg quality traits of two laying hybrids kept in different cage systems

Farklı kafes sistemlerinde barındırılan iki yumurtacı hibritte bazı yumurta kalite özellikleri

Onbaşılar

Esin Ebru

Ünal

Necmettin

Erdem

Evren

03 01 2018

65 1 51 55 03 01 2018

1954

Ankara Üniversitesi Veteriner Fakültesi Dergisi

Interest has been increasing about enriched cages affecting the laying hens and the producers. Egg quality traits are important for economic impact. Whence, the purpose of this study was to determine the differences in egg quality traits of two laying hybrids reared in conventional and enriched cages at different ages. 532 Lohmann Brown Classic (LB) and 532 Lohmann LSL Classic (LW) hens were kept from 16 to 73 weeks in either conventional cages or enriched cages. Twenty eight eggs were selected randomly from each hybrid and cage group at 20, 30, 40, 50, 60 and 70 wk of ages at from 08.00 to 10.00 o’clock to evaluate egg quality traits. For this aim, a total of 672 eggs were used. Egg weight, shape index, breaking strength, shell thickness, albumen index, yolk index and Haugh Unit were determined. Yolk index, albumen index and Haugh Unit in eggs of hens were reared in conventional cages were lower than those of in enriched cages. Egg weight, shape index and shell thickness were higher in eggs laid by LB hens. Layer age was affected all examined egg quality parameters. Consequently, albumen index, yolk index and Haugh Unit were enhanced by the enrichment of the cages and interactions among cage type, hybrid and layer age should be taken for the egg quality traits

Yumurtacı tavukları ve üreticileri etkileyen zenginleştirilmiş kafeslere olan ilgi artmaktadır. Yumurta kalite özellikleri ekonomik öneme sahiptir. Bu nedenle bu araştırmanın amacı geleneksel ve zenginleştirilmiş kafeslerde barındırılan iki yumurtacı hibritte farklı yaşlarda yumurta kalite özelliklerini araştırmaktır. Toplam 532 Lohmann Kahverengi (LB) ve 532 Lohmann Beyaz (LW) yumurtacı tavuk 16 haftalık yaştan 73 haftalık yaşa kadar geleneksel ve zenginleştirilmiş kafeslerde barındırıldı. Yumurta kalite özelliklerinin incelenmesi için 20, 30, 40, 50, 60 ve 70 haftalık yaşlarda saat 8.00-10.00 arasında her bir genotip ve kafes grubundan 28 yumurta rastgele seçildi. Bu amaçla toplam 672 yumurta kullanıldı. Yumurta ağırlığı, şekil indeksi, kırılma mukavemeti, kabuk kalınlığı, ak indeksi, sarı indeksi ve Haugh birimi belirlendi. Geleneksel kafeste yetiştirilen tavukların yumurtasında sarı indeksi, ak indeksi ve Haugh birimi zenginleştirilmiş kafeste yetiştirilenlerinkine göre daha düşük bulundu. Yumurta ağırlığı, şekil indeksi ve kabuk kalınlığının kahverengi yumurtacılardan elde edilen yumurtalarda daha yüksek olduğu görüldü. Yumurtacı tavukların yaşı, incelenen tüm yumurta kalite özelliklerini etkiledi. Sonuç olarak, zenginleştirilmiş kafesler ak indeksi, sarı indeksi ve Haugh birimini arttırmıştır ve kafes tipi, hibrit ve yaş arasındaki interaksiyonlar yumurta kalitesi bakımından dikkate alınmalıdır

Age cage type egg quality hybrid

Hibrit kafes tipi yaş yumurta kalitesi

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