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Effects of Different Fertility Rates on Chick Quality and Hatching Parameters in Hatching Eggs     
Yazarlar
İsmail Türker
Yozgat Bozok Üniversitesi, Türkiye
Doç. Dr. Serdar KAMANLI
Türkiye
Yeliz Kaşko Arıcı
Ordu Üniversitesi, Türkiye
Mehmet Akif Özcan
Bolu Abant İzzet Baysal Üniversitesi, Türkiye
Özet
This study was conducted to investigate the hatching parameters differences between the hatching eggs which were controlled or not for fertility at 18th day of embryo development in the hatchery unit. Hatching was conducted with hatching eggs of Atak-S commercial layers parent stocks. Four treatment groups were constituted; 1) 95% fertility, fertility control at 18th day, 2) 95% fertility, no fertility control at 18th day, 3) 75% fertility, no fertility control at 18th day and 4) 50% fertility, no fertility control at 18th day. There were no significant differences between the groups in terms of fertility rate, hatching efficiency hatchability of fertile eggs and early-, middle and late period embryo mortality. Chick quality according to Pasgar score chick quality assessment differed significantly between the treatment groups. The results of the present study indicate that transferring of eggs to the hatcher without fertility control at 18th day of embryo development did not affect the hatching results, but chick quality decreased when the fertility rate decreased below 45%.
Anahtar Kelimeler
Makale Türü Özgün Makale
Makale Alt Türü Ulusal alan endekslerinde (TR Dizin, ULAKBİM) yayımlanan tam makale
Dergi Adı Turkish Journal of Agriculture - Food Science and Technology
Dergi ISSN 2148-127X
Dergi Tarandığı Indeksler TR DİZİN
Makale Dili Türkçe
Basım Tarihi 07-2014
Cilt No 3
Sayı 2
Sayfalar 71 / 73
Makale Linki http://www.agrifoodscience.com/index.php/TURJAF
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