The Effects of Egg Weight and Extra Oxygen Addition Into Incubator at the Last Stage on Hatching Results and Subsequent Performance in Japanese Quail (Coturnix Coturnix Japonica)
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2013
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Bu çalışmanın amacı yüksek rakımda (1700 m) inkübe edilen farklı ağırlıktaki kuluçkalık japon bıldırcını (coturnix coturnix japonica) yumurtalarında kuluçkanın son döneminde oksijen eklenmesinin kuluçka sonuçları ve çıkış sonrası performansa etkilerini araştırmaktır. Araştırmada 908 adet kuluçkalık yumurta kullanılmıştır. Yumurtalar tesadüfi olarak iki makineye (Çimuka marka) yüklenmiştir. Kuluçkanın 15-18. günler arası makinelerden birine oksijen eklenerek makine içi oksijen düzeyi %25 olacak şekilde düzenlenmiştir. Diğer makine kontrol grubu olarak tanımlanmıştır. 18. gün çıkan civciv sayısı tespit edilmiştir. Kuluçkanın 18. gününde çıkış olmayan tüm yumurtalar açılmış, makroskopik olarak incelenmiş ve döllü olanlar ile embriyonik ölümler tespit edilmiştir. Çıkan civcivler Ziraat Fakültesinin Araştırma Ünitesine transfer edilmiştir. Çalışma sonunda, yumurta ağılığı ve oksijen eklenmesi interaksiyonu erken dönem ölümleri (%), orta dönem ölümleri (%), geç dönem ölümleri (%), yemden yararlanma oranı ve yaşama gücünü (%) istatistiksel olarak önemli derecede etkilemiştir (p<0.05). Yumurta ağırlığı çıkış ağırlığını, canlı ağırlığı ve haftalık yem tüketimini (g/hayvan) istatistiksel olarak önemli derecede etkilemiştir (p<0.05). Genel olarak değerlendirildiğinde, kuluçkada 11.0-11.9 g yumurtaların kullanılması ve kuluçkanın son döneminde oksijen ilave edilmesi kuluçka sonuçlarını ve çıkış sonrası performansı olumlu etkilediği söylenebilir.
The purpose of this study was to examine the effects of adding oxygen in incubator at last stage and different egg weight on hatching results and subsequent performance in japanese quail (Coturnix coturnix japonica). It was used 908 egg in investigation. All eggs were distributed randomly into two hatching cabinets (Çimuka Company) which were operated. The first cabinet was oxygenated at 25 % whereas no oxygen added to the second cabinet between days 15 and 18 incubation and called control group. The number of chicks hatching was recorded day 18. At day 18 of incubation, all unhatched eggs were opened and examined macroscopically for true fertility or the time of embryonic death. At hatch the chicks were transferred to the broiler rearing facilities at the research farm of Agricultural Faculty. In the result of the study, early period embryo mortality (%), middle period embryo mortality (%), late period embryo mortality (%), feed conversion ratio and livability (%) was significantly affected by oxygen Supplement and egg weight interaction (P<0.05). Initial weight, live weight and weekly feed consumtion was significantly affected by egg weight. Finally, it can be said that using 11.0-11.9 g eggs and adding oxygen in incubator at the last stage positively affect hatching results and subsequent performances.
The purpose of this study was to examine the effects of adding oxygen in incubator at last stage and different egg weight on hatching results and subsequent performance in japanese quail (Coturnix coturnix japonica). It was used 908 egg in investigation. All eggs were distributed randomly into two hatching cabinets (Çimuka Company) which were operated. The first cabinet was oxygenated at 25 % whereas no oxygen added to the second cabinet between days 15 and 18 incubation and called control group. The number of chicks hatching was recorded day 18. At day 18 of incubation, all unhatched eggs were opened and examined macroscopically for true fertility or the time of embryonic death. At hatch the chicks were transferred to the broiler rearing facilities at the research farm of Agricultural Faculty. In the result of the study, early period embryo mortality (%), middle period embryo mortality (%), late period embryo mortality (%), feed conversion ratio and livability (%) was significantly affected by oxygen Supplement and egg weight interaction (P<0.05). Initial weight, live weight and weekly feed consumtion was significantly affected by egg weight. Finally, it can be said that using 11.0-11.9 g eggs and adding oxygen in incubator at the last stage positively affect hatching results and subsequent performances.
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Ziraat, Bıldırcın, Agriculture, Quail
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