Sarıağız (Argyrosomus regius, Asso 1801) Balığının Toprak Havuzlarda Ticari Yetiştiriciliğinde Bazı Büyüme Parametrelerinin Belirlenmesi

Ülkemizde ve Avrupa’da son yıllarda üretiminde artış gösteren ve çoğunlukla deniz kafeslerinde besi yetiştiriciliği yapılan sarıağız (Argyrosomus regius Asso 1801) balığının toprak havuzlarda bir üretim dönemindeki büyüme parametreleri incelenmiştir. Araştırma Muğla İli Milas İlçesi sınırlarındaki Savran Mevkii’nde bulunan ASC Su Ürünleri Ltd. Şti. firmasına ait toprak havuzda 13,2 ± 1,4 ortalama ağırlığa sahip 15.400 adet yavru sarıağız ile yürütülmüştür. Besleme denemesi 15 Mart ile 15 Ekim 2012 tarihleri arasında gerçekleştirilmiştir. Deneme sonunda ortalama ağırlık 301,03 ± 27,02 gr, spesifik büyüme oranı 1,19, yem dönüşüm oranı 1,12 ve termal büyüme katsayısı 21,7°C’de su sıcaklığında 2,21 olarak tespit edilmiştir. Elde edilen sonuçlara göre sarıağız balığının İlkbahar-Yaz döneminde toprak havuzlarda 6 -7 ay gibi kısa bir sürede iyi bir yem dönüşüm ve spesifik büyüme oranı ile porsiyonluk boya eriştiğini göstermektedir.

Anahtar Kelimeler:

termal büyüme katsayısı, spesifik büyüme oranı, Sarıağız, toprak havuz

Investigating some growth parameters of pond-raised meagre (Argyrosomus regius, Asso 1801) at industrial scale

During a production period, growth and feeding parameters of meagre (Argyrosomus regius Asso 1801) was investigated. Meagre has been produced in marine cages and recently, shows increasing production volume in Europe and Turkey. The study was carried out with 13.2 ± 1.4 g starting mean weight 15400 juveniles in an earthen ponds belong to ASC Su Ürünleri Ltd. in Savran region of Milas town of Muğla Province and were used. Feeding trial had done between 15th of March and 15 of October, 2012. At the end of study, mean weight of fish were found 301.03 ± 27.02 g, specific growth rate was found 1.19, feed conservation ratio was found 1.12 and thermal growth coefficient was found 2.21 at 21.7°C water temperature. The results of this study showed that meagre has a good specific growth rate and thermal growth coefficient that it can be produce in earthen ponds between spring and summer seasons in a short production period such a 6-7 months.

Keywords:

Meagre, thermal growth coefficient, specific growth rate, feed conversion ratio,

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