The Impact of Laying Hen Age, Egg-Laying Time, Cage Tier, and Cage Direction on Egg Quality Traits in Hens in an Enriched Cage System
Küçük Resim Yok
Tarih
2024
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Facta-Fundacio Arnco Ciencia Tecnologia Avicolas
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
This study determined the effect of layer age, egg-laying time, cage tier, and cage direction (outward-inward) on egg quality parameters of commercial layer chickens reared in enriched cages. A total of 944 layers (approximately 100 eggs every four weeks, from the 26 to the 58th week) obtained from Lohmann LSL-Classic layers reared at the Nigde Omer Halisdemir University Ayhan & Scedil;ahenk Agricultural Application and Research Centre were analyzed. Laying hen age significantly affected all the egg quality variables (p<0.01). Egg weight, shell-breaking strength, egg surface area, Haugh unit, and yolk color score differed across egg-laying time (p<0.05; p<0.01). There was variability in all the external egg quality traits among the cage tiers (p<0.05), but not for internal egg quality (p>0.05). Furthermore, it was found that cage direction had a significant effect on egg weight, shell thickness, egg surface area, and all the internal egg quality traits, except for yolk color score (p<0.05; p<0.01). In conclusion, our results highlight significant changes in egg quality traits due to layer age, egg-laying time, cage tier, and cage direction.
Açıklama
Anahtar Kelimeler
Laying hens, enriched cage system, egg quality traits, egg-laying time, cage positioning
Kaynak
Brazilian Journal of Poultry Science
WoS Q Değeri
N/A
Scopus Q Değeri
Q3
Cilt
26
Sayı
2
