The effects of evaporative cooling on reduction of cage house temperature and production performance of the laying hens
Yükleniyor...
Tarih
2003
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
EUGEN ULMER GMBH CO
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
This study was conducted at two cage houses with a capacity. of 20.000 birds each in Konya - Turkey. In one house, mechanically ventilation and evaporative cooling system was used, and the other house was naturally ventilated. Daily temperature changes of houses, egg production, mortality and rate of cracked eggs of laying hens were determined. Inside temperature was reduced effectively in the evaporatively cooled house and the climate was less stressing for laying hens in summer. However, inside temperature was higher in the naturally ventilated house causing stress in layers. Average temperature was 22.6 degreesC and 27.5 degreesC in evaporatively cooled and naturally ventilated house, respectively. Egg production of laying hens in evaporatively cooled house was 4.28% higher than in naturally ventilated house, and it was affected significantly by evaporative cooling (P < 0.05). The cracked eggs numbers increased in the evaporatively cooled house (P < 0.05).
Açıklama
Anahtar Kelimeler
cage house, environmental temperature, evaporative cooling, egg production, mortality
Kaynak
ARCHIV FUR GEFLUGELKUNDE
WoS Q Değeri
Q3
Scopus Q Değeri
N/A
Cilt
67
Sayı
3
