The Effect of Light Intensity and Temperature-Humidity Index on Egg Performance and Growth Rate in Laying Hens Raised in Different Cage Tiers

Yıl 2024, , 184 - 193, 02.12.2024

Uğur Özentürk , Ömer Çoban , Ali Osman Kesen , Ayşe Uysal

https://doi.org/10.32707/ercivet.1587451

Öz

The aim of this research is to evaluate the effects of light intensity and the temperature-humidity index (THI) on egg performance and growth rate in laying hens reared on different cage tiers. Additionally, the study seeks to un-derstand the sensitivity and efficiency of chickens' comfort conditions under various climatic environmental conditions. Brown layer Hyline Brown hens were used as the animal material. In the experiment, 392 hens were housed in a total of 56 cages, with 7 hens per cage in a 4-tier cage system. During the experiment, live weights, growth rates, egg pro-duction, and egg weights of the hens were recorded and correlated with the THI and light intensity values measured in front of each cage. The results indicated that hens on the upper tiers had higher live weights, body weight gains, growth rates, egg production, and egg weights compared to those on the lower tiers. A negative relationship was found between the THI value and both growth rate and egg production. Increasing THI values negatively affected both body weight and egg production. Significant positive relationships were observed between light intensity and egg weight, egg production, and average egg production. In conclusion, environmental management and physiological factors are crucial in optimizing the performance of laying hens. Appropriate housing conditions, including optimal light intensity, and temperature management, are essential for maximizing both growth and reproductive performance. Additionally, achieving an ideal body weight at the beginning of the productive period is a crucial for egg production.

Anahtar Kelimeler

Cage tier, egg production, growth rate, light intensity, temperature-humidity index

Farklı Kafes Katlarında Yetiştirilen Yumurtacı Tavuklarda Işık Şiddeti ve Sıcaklık-Nem İndeksinin Yumurta Performansı ve Büyüme Hızına Etkisi

Öz

Bu araştırmanın amacı, farklı kafes katlarında yetiştirilen yumurtacı tavuklarda ışık şiddeti ve sıcaklık-nem indeksi-nin yumurta performansı ve büyüme hızı üzerine etkilerini değerlendirmektir. Ayrıca çalışma, çeşitli iklimsel çevre ko-şulları altında tavukların konfor koşullarının hassasiyetini ve verimliliğini anlamayı amaçlamaktadır. Hayvan materyali olarak kahverengi yumurtacı Hyline Brown tavukları kullanıldı. Denemede 4 katlı kafes sisteminde kafes başına 7 tavuk olacak şekilde toplam 56 kafese 392 tavuk yerleştirildi. Tavukların canlı ağırlıkları, büyüme oranları, yumurta üretimleri ve yumurta ağırlıkları kaydedilerek her kafesin önünden ölçülen THI ve ışık şiddeti değerleri ile ilişkilendirildi. Araştır-mada, üst kattaki tavukların canlı ağırlık, büyüme hızı, yumurta üretimi ve yumurta ağırlığı değerleri alt kattakilere göre daha yüksekti. THI değeri ile hem büyüme hızı hem de yumurta üretimi arasında negatif bir ilişki bulundu. THI değeri-nin artması hem canlı ağırlığı hem de yumurta üretimini olumsuz etkiledi. Işık şiddeti ile yumurta ağırlığı, yumurta üreti-mi ve ortalama yumurta üretimi arasında önemli pozitif ilişkiler gözlendi. Sonuç olarak, çevre yönetimi ve fizyolojik fak-törler yumurtacı tavukların performansının optimize edilmesinde çok önemlidir. Optimum ışık şiddeti ve sıcaklık yöneti-mi de dâhil olmak üzere uygun barınma koşulları, hem büyüme hem de üreme performansını en üst düzeye çıkarmak için gereklidir. Ayrıca, üretim dönemi başında ideal canlı ağırlığa ulaşılması yumurta üretimi için çok önemlidir.

Anahtar Kelimeler

Büyüme hızı, ışık şiddeti, kafes katı, sıcaklık-nem indeksi, yumurta verimi

Kaynakça

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