Damızlık Balıkların Performans ve Yumurta Kaliteleri Üzerine Karotenoid İçeren Yemlerin Etkisi

Öz

Damızlık yem formülasyonu hazırlanması balık yetiştiricilerinin ve yem fabrikalarının en temel görevlerinden birisidir. Yetiştiriciliği yapılan balık türleri için yem yapım teknolojisi, yem karışımına giren maddeler ve yem/yemleme araştırmaları çok önemlidir. Damızlıkların yumurta üretimini etkileyen yem içeriğindeki maddelere özellikle yağ asidi, vitamin, probiotik, antioksidant ve karotenoidler üzerine araştırmacılar ağırlık vermektedir. Doğadaki alabalıkların kas, deri ve yumurtalarındaki kırmızı-portakal rengi karotenoidlerden kaynaklanmaktadır. Karotenoidler genelde pazara sunulmadan önceki belli bir periyotta balık yemlerine belirli konsantrasyonlarda katılan yemlerle besleme yaparak balıkların pigmentasyonu için kullanılmaktadır. Karotenoidlerin yumurta rengine göre yumurtanın kalitesini ve yumurta sayısını pozitif yönde etkilediğini ve karotenoid konsantrasyonu ile yumurtadan çıkış yüzdesi arasında pozitif korelasyon olduğunu belirten birçok hipotezin var olduğu bilinmektedir. Bu nedenle derlemede, karotenoid içeren yemlerin damızlıkların yumurta üretimi ve kalitesi üzerine ilişkisi incelenerek açıklığa kavuşturulmaya çalışılmıştır

Anahtar Kelimeler

• Karotenoid, damızlık, yumurta üretimi, yumurta kalitesi

Effects Of Dıetary Carotenoıds On Broodstock Performance and Egg Qualıty; A Rewıew

Öz

Broodstock diet formulations are essential duty for fish farmers and commercial diet manufacturer. The investigations on feed ingredients and feed development are important for aquaculture species.Many researchers aim on diet ingredients especially fatty acids, vitamins, probiotics, antioxidant and carotenoids on egg production of salmon broodstocks. The red-orange colour muscle, skin and eggs of wild salmonids are related to carotenoids.Generally, The carotenoids are utilized as supplementation diets for pigmentation of trout before markets.There are several hypotheses proposing that carotenoids positively affect the quality and the number of egg reproduced and a positive correlation between carotenoid concentration and hatching percentage The present rewiew discusses these studies and focuses on the more recent work on egg production and quality with the aim of understanding the specific dietary carotenoids of broodstocks

Anahtar Kelimeler

• Carotenoids, broodstock, egg production, egg quality

Kaynakça

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