Effects of heat stress on egg yield and mortality rates of caged poultry houses

karaman, sedat; BAYHAN, Ahmet Kamil; KOŞKAN, Özgür

Effects of heat stress on egg yield and mortality rates of caged poultry houses

Ahmet Kamil BAYHAN, (Süleyman Demirel Üniversitesi, Ziraat Fakültesi, Tarım Makineleri Bölümü, Isparta, Türkiye)

Sedat KARAMAN, (Gaziosmanpaşa Üniversitesi, Ziraat Fakültesi, Biyosistem Mühendisliği Bölümü, Tokat, Türkiye)

Özgür KOŞKAN (Süleyman Demirel Üniversitesi, Ziraat Fakültesi, Zootekni Bölümü, Isparta, Türkiye)

Kafkas Üniversitesi Veteriner Fakültesi Dergisi

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Yıl: 2013 Cilt: 19 Sayı: 5 Sayfa Aralığı: 881 - 887 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Effects of heat stress on egg yield and mortality rates of caged poultry houses

Öz:

Bu araştırmada Nisan-Ağustos döneminde (5 ay) kafesli tip yumurta tavuğu kümesinde kümes içi sıcaklık ve bağıl nem değişimine bağlı olarak ısı stresinin tavuklarda yumurta verimi ve mortalite üzerine etkisi incelenmiştir. Otomatik yemleme ve sulama sistemiyle donatılan, %90 kapasite kullanım oranına sahip olan kümeste her kafese 5 tavuk yerleştirilmiş olup, deneme başlangıcında kümeste 27 haftalık yaşta 9900 adet Isa Brown ırkı tavuk bulunmaktadır. Araştırma boyunca kümes içi ve dış ortam sıcaklık ve bağıl nemi, kümeste günlük yumurta üretimi, günlük ölen tavuk sayısı sürekli kaydedilmiştir. Ayrıca, kümese ait yapısal özellikler ölçülmüştür. Kümese ait ısı ve nem dengeleri, Sıcaklık Nem İndeksi (THI), Yumurta Verimi (EPR) ve Ölüm Oranı (MR) hesaplanmıştır. Araştırma sonuçlarına göre; kümes iç sıcaklığı ile THI ve MR arasında artan, kümes iç sıcaklığı ile EPR arasında ise azalan istatistik yönden çok önemli (P<0.01) ve kuvvetli ilişkiler tespit edilmiştir. Bu ilişkilere göre Nisan ayından Ağustos ayına doğru kümes sıcaklığının 20.7°Cden 29.4°Cye ve THInin 66.1den 77.0a artışı sonucu aylık MR Nisanda %0.36 iken aylara göre artarak Ağustosta %1.59a kadar çıkmıştır. EPR ise aynı dönemde aylık olarak Nisanda %88.7 iken Ağustos ayında %79.4e kadar gerilemiştir. Bu nedenle çatı ve duvarda yeterli izolasyon olmadan ve serinletme yapmadan kümes sıcaklığını ne yüksek EPR için gerekli olan optimum 18°C sıcaklıklarda, ne de günlük MR≤ 0.1 olduğu 21°C kümes içi sıcaklık bandında tutmanın mümkün olmadığı görülmüştür.

Anahtar Kelime:

Konular: Veterinerlik

Kafesli kümeste sıcaklık stresinin yumurta verimi ve mortalite üzerine etkileri

Öz:

In present study, effects of heat stress due to variations in indoor temperature and relative humidity on egg yield and mortality rates of hens in caged poultry houses were investigated between the months April and August (5 months). The experimental poultry house has automated feeder and waterer and operates at 90% capacity. Each cage has 5 hens and there were a total of 9900 Isa Brown hens in the poultry house before the experiments. Hens were 27th weeks old in the beginnings of the experiment. During the experiments, indoor and outdoor climate parameters such as temperature and relative humidity, daily egg production and mortalities were continuously recorded. Structural characteristics of the poultry house were also determined. Heat and moisture gains/losses, temperature humidity index (THI), egg production rates (EPR) and mortality rates (MR) were calculated. Results revealed significantly increasing and strong relationships between indoor temperature and THIMR and significantly decreasing relationships between indoor temperature and EPR (P<0.01). Indoor temperature increased from 20.7°C in April to 29.4°C in August, THI values increased from 66.1 to 77.0 during the same period. Therefore, mortality rates increased from 0.36% in April to 1.59% in August. While EPR was 88.7% in April, the value decreased to 79.4% in August. Without sufficient wall and roof insulation, it was found to be impossible to provide an indoor temperature of neither 18°C to keep EPR at high levels nor 21°C to keep MR≤ 0.1.

Anahtar Kelime:

Konular: Veterinerlik

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	BAYHAN A, karaman s, KOŞKAN Ö (2013). Effects of heat stress on egg yield and mortality rates of caged poultry houses. , 881 - 887.
Chicago	BAYHAN Ahmet Kamil,karaman sedat,KOŞKAN Özgür Effects of heat stress on egg yield and mortality rates of caged poultry houses. (2013): 881 - 887.
MLA	BAYHAN Ahmet Kamil,karaman sedat,KOŞKAN Özgür Effects of heat stress on egg yield and mortality rates of caged poultry houses. , 2013, ss.881 - 887.
AMA	BAYHAN A,karaman s,KOŞKAN Ö Effects of heat stress on egg yield and mortality rates of caged poultry houses. . 2013; 881 - 887.
Vancouver	BAYHAN A,karaman s,KOŞKAN Ö Effects of heat stress on egg yield and mortality rates of caged poultry houses. . 2013; 881 - 887.
IEEE	BAYHAN A,karaman s,KOŞKAN Ö "Effects of heat stress on egg yield and mortality rates of caged poultry houses." , ss.881 - 887, 2013.
ISNAD	BAYHAN, Ahmet Kamil vd. "Effects of heat stress on egg yield and mortality rates of caged poultry houses". (2013), 881-887.

APA	BAYHAN A, karaman s, KOŞKAN Ö (2013). Effects of heat stress on egg yield and mortality rates of caged poultry houses. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 19(5), 881 - 887.
Chicago	BAYHAN Ahmet Kamil,karaman sedat,KOŞKAN Özgür Effects of heat stress on egg yield and mortality rates of caged poultry houses. Kafkas Üniversitesi Veteriner Fakültesi Dergisi 19, no.5 (2013): 881 - 887.
MLA	BAYHAN Ahmet Kamil,karaman sedat,KOŞKAN Özgür Effects of heat stress on egg yield and mortality rates of caged poultry houses. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, vol.19, no.5, 2013, ss.881 - 887.
AMA	BAYHAN A,karaman s,KOŞKAN Ö Effects of heat stress on egg yield and mortality rates of caged poultry houses. Kafkas Üniversitesi Veteriner Fakültesi Dergisi. 2013; 19(5): 881 - 887.
Vancouver	BAYHAN A,karaman s,KOŞKAN Ö Effects of heat stress on egg yield and mortality rates of caged poultry houses. Kafkas Üniversitesi Veteriner Fakültesi Dergisi. 2013; 19(5): 881 - 887.
IEEE	BAYHAN A,karaman s,KOŞKAN Ö "Effects of heat stress on egg yield and mortality rates of caged poultry houses." Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 19, ss.881 - 887, 2013.
ISNAD	BAYHAN, Ahmet Kamil vd. "Effects of heat stress on egg yield and mortality rates of caged poultry houses". Kafkas Üniversitesi Veteriner Fakültesi Dergisi 19/5 (2013), 881-887.