Journals / Selcuk Journal of Agriculture and Food Sciences / 2026 / Cilt: 24 Sayı: 3

The Effects of Exogenous Cobalt Addition To Diet on Hatching Performance and Egg Characteristics of Breeder Japanese Quails (Coturnix coturnix japonica)

Damızlık Japon Bıldırcınlarında (Coturnix coturnix japonica) Rasyona Eksojen Kobalt İlavesinin Kuluçka Performansı ve Yumurta Özelliklerine Etkileri

İskender Yıldırım(SELCUK UNIVERSITY, FACULTY OF AGRICULTURE)
Sinan S. Parlat(SELCUK UNIVERSITY, FACULTY OF AGRICULTURE)
Rabia Göçmen(SELCUK UNIVERSITY, FACULTY OF AGRICULTURE)
Pages
1–3
Publication Date
2010-09-25
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

There were no found significantly differences between the groups for fertility rate, hatchability of fertile eggs, early and late embryonic mortalities and egg characteristics, but there were found significantly differences between the groups for cumulative hatching times (P<0.05).

📌 3 Key Takeaways

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Objective & Hypothesis:This study was carried out to determine the effects of exogenous cobalt addition to diet on hatching performance (fertility rate, hatchability, time of hatch, embryo deaths) and egg characteristics of breeder Japanese quails (Coturnix coturnix japonica).
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Key Findings & Data:In the present study, a total of 180 breeder Japanese quails (Coturnix coturnix japonica) (9 week-old age; 60 male+120 female) were randomly distributed into 12 replicates with 5 male +10 female per pen.
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Conclusion & Impact:There were no found significantly differences between the groups for fertility rate, hatchability of fertile eggs, early and late embryonic mortalities and egg characteristics, but there were found significantly differences between the groups for cumulative hatching times (P<0.05).
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Damızlık Japon bıldırcını · kuluçka · kobalt

Abstract

This study was carried out to determine the effects of exogenous cobalt addition to diet on hatching performance (fertility rate, hatchability, time of hatch, embryo deaths) and egg characteristics of breeder Japanese quails (Coturnix coturnix japonica). In the present study, a total of 180 breeder Japanese quails (Coturnix coturnix japonica) (9 week-old age; 60 male+120 female) were randomly distributed into 12 replicates with 5 male +10 female per pen. The experimental groups were as follow: Ration with exogenous cobalt (treatment) and ration without exogenous cobalt (control). The experiment has been lasted for 5 weeks and the diets provided for ad-libitum during the study. Eggs were collected 2 times a day throughout last week of the study. The hatching eggs were stored for 7 days (at 18 oC and 84 % relative humidity) and set to the incubator according to experimental procedure. The control group (n= 320) and the treatment group (n=320) as totally 640 eggs were used for two groups. There were no found significantly differences between the groups for fertility rate, hatchability of fertile eggs, early and late embryonic mortalities and egg characteristics, but there were found significantly differences between the groups for cumulative hatching times (P<0.05).

Özet

Bu çalışma, damızlık Japon bıldırcınlarında (Coturnix coturnix japonica) rasyona eksojen kobalt ilavesinin kuluçka performansı (döllülük oranı, çıkış gücü, civciv çıkış zamanı, embriyo ölüm oranı) ve yumurta özelliklerine etkilerini belirlemek amacıyla yürütülmüştür. Denemede 9 haftalık yaşta 180 adet damızlık Japon bıldırcını (60 erkek + 120 dişi), her bir kafes gözünde 5 erkek + 10 dişi olmak üzere 12 alt gruba rastlantısal olarak dağıtılmışlardır. Deneme grupları; eksojen kobalt içeren rasyonla yemlenen grup (muamele) ve eksojen kobalt içermeyen rasyonla yemlenen grup (kontrol) şeklinde düzenlenmiş olup, bıldırcınlar 5 haftalık deneme süresince muamele ve kontrolrasyonlarıyla adlibitum yemlenmişlerdir. Deneme periyodunun son haftasında günde iki kez toplanan yumurtalar 7 gün süre ile kontrollü koşullarda (18oC sıcaklık; %75 oransal nem) depolandıktan sonra kuluçka makinesine yerleştirilmişlerdir (320 adet yumurta kontrol grubu için; 320 adet yumurta muamele grubu için; toplam 640 adet). Gruplar arasında döllülük oranı, çıkış gücü, erken ve geç dönem embriyonik ölüm oranları bakımından önemli bir farklılık gözlemlenmemiştir. Ancak, kümülatif çıkış süresi bakımından gruplar arasındaki farklılık ise önemli bulunmuştur (P<0.05). Yumurta özellikleri bakımından da grup ortalamaları arasında istatistiki olarak önemli bir farklılık bulunamamıştır.

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Cite This Article

Yıldırım, İ., Parlat, S. S., Göçmen, R. (2010). The Effects of Exogenous Cobalt Addition To Diet on Hatching Performance and Egg Characteristics of Breeder Japanese Quails (Coturnix coturnix japonica). Selcuk Journal of Agriculture and Food Sciences, Cilt: 24 Sayı: 3, 1–3. https://ajindex.com/articles/1005524

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