Kurutulmuş Dulavrat Otu Yapraklarının Yumurtacı Bıldırcınlarda (Coturnix Coturnix Japonica) Yem Katkı Maddesi Olarak Kullanım Potansiyeli: Deneysel Bir Çalışma

Öz

Bu çalışma, kurutulmuş dulavrat otu (Arctium lappa) yapraklarının yem katkı maddesi olarak yumurtacı Japon bıldırcınlarında (Coturnix coturnix japonica) üretim performansı ve yumurta kalitesi üzerindeki etkilerini değerlendirmeyi amaçlamıştır. Doksan dişi bıldırcın, altı hafta boyunca kontrol (0.0%) veya %1.0 ve %2.0 kurutulmuş dulavrat otu (DBL) içeren rasyonlar ile beslenecek şekilde rastgele üç gruba ayrılmıştır. Rasyona DBL ilavesi genel performans parametrelerini önemli ölçüde etkilememiş olsa da, yem tüketiminde sayısal bir artış gözlemlenmiştir. Bununla birlikte, nispi yumurta kabuğu ağırlığı, yumurta sarısı rengi ve malondialdehit (MDA) konsantrasyonu dahil olmak üzere belirli yumurta kalitesi özellikleri, DBL katılımından belirgin şekilde etkilenmiştir. Yumurta sarısı renk yoğunluğu %1.0 DBL grubunda önemli ölçüde azalmış, ancak %2.0 DBL ilave edilen grupta artmıştır. Buna karşılık, yumurta kabuğu ağırlığı ve MDA seviyeleri DBL ilave edilen uygulamaların tamamında azalmıştır. Kabuk kalınlığı ve iç kalite indeksleri gibi diğer yumurta kalitesi parametreleri, DBL ilavesinden etkilenmeden kalmıştır. Bu bulgular, yumurtlayan bıldırcın rasyonlarına %2.0 DBL dahil edilmesinin, genel yumurtlama performansından ödün vermeden antioksidan durumunu ve yumurta sarısı pigmentasyonunu iyileştirebileceğini göstermektedir. Bununla birlikte, nispi yumurta kabuğu ağırlığında gözlemlenen azalma, daha yüksek DBL dahil etme seviyelerinin kabuk oluşumu üzerinde hafif bir olumsuz etki yaratabileceğine işaret etmektedir. En uygun kullanım düzeyinin belirlenmesi ve etkilerinin altında yatan mekanizmaların anlaşılması için daha fazla araştırmaya ihtiyaç vardır.

Anahtar Kelimeler

• Kurutulmuş dulavrat otu
• Performans
• Yumurta kalitesi
• Yumurtacı bıldırcın

Potential of Dried Burdock Leaves as a Feed Additive in Laying Quail (Coturnix Coturnix Japonica): An Experimental Study

Abstract

This study aimed to evaluate the effects of dried burdock leaves (Arctium lappa) as a feed additive on production performance and egg quality in laying Japanese quails (Coturnix coturnix japonica). Ninety female quails were randomly assigned to three groups receiving a control (0.0%) or diets supplemented with 1.0% and 2.0% dried burdock leaves (DBL) for six weeks. Although dietary DBL supplementation did not significantly affect overall performance parameters, a numerical increase in feed intake was observed. However, certain egg quality traits, including relative eggshell weight, yolk color, and malondialdehyde (MDA) concentration, were notably influenced by DBL inclusion. Yolk color intensity significantly decreased in the 1.0% DBL group but increased in the group supplemented with 2.0% DBL. In contrast, eggshell weight and MDA levels were reduced across the DBL-supplemented treatments. Other egg quality parameters, such as shell thickness and internal quality indices, remained unaffected by DBL supplementation. These findings suggest that incorporating 2.0% DBL into laying quail diets may improve antioxidant status and yolk pigmentation without compromising overall laying performance. Nonetheless, the observed reduction in relative eggshell weight indicates that higher DBL inclusion levels might exert a mild negative effect on shell formation. Further research is required to determine the optimal inclusion level and to understand the mechanisms underlying its effects.

Keywords

• Dried burdock leaves
• Performance
• Egg quality
• Laying quail

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