The First Data Belong to the Rearing White Seabream (Diplodus sargus) in Turkey

Yıl 2020, Cilt: 5 Sayı: 3, 390 - 396, 30.09.2020

Sevim Hamzaçebi

https://doi.org/10.35229/jaes.780711

https://izlik.org/JA64GA88JU

Öz

White seabream (Diplodus sargus) is one of the marine species that have commercial value in the Mediterranean, and can be reared under controlled conditions. In this study, it was aimed to investigate the hatchery performance of the species by obtaining fertilized eggs, larvae and juvenile from white seabream breeders. In the study, 8 female and 5 male brootstocks wereused. It was determined that there were 1248 ± 13.47 eggs in 1 g egg sample. It was observed that the eggs obtained with a diameter of 946.19 ± 33.85 µm had a single oil drop with a diameter of 209.35 ± 11.65 µm. It was appointed that the eggs started to hatch at 21.5 ± 0.5°C at 38‰ salinity at the 40th hour, and the hatching rate was 93.33±1.15%. Green water technique was used in prefeeding. It was assigned that prelarvae started taking feed 100% at 5 (day after hatching) DAH. Larvae started to formation of the swim bladder at 6 DAH. Larvae lenght and weight were measured as 25.7 ± 2.49 mm and 255.8 ± 6.6 mg respectively at 55 DAH. The survival rate was determined as 81.33 ± 0.57% and the rate of SGR as 10.79 ± 0.12%. 

Anahtar Kelimeler

Aquaculture , Diplodus sargus , larvae , white seabream , hatchery performance

Akuakültür için Yeni Bir Tür: Sargoz Balığı (Diplodus sargus)

https://izlik.org/JA64GA88JU

Öz

Sargoz balığı (Diplodus sargus) Akdeniz’de ticari değeri olan ve kontrollü şartlar altında yetiştiriciliği yapılabilecek deniz balığı türlerinden biridir. Bu çalışmada, sargoz balığı damızlıklarından döllenmiş yumurta, larva, yavru elde ederek türün kuluçkahane performansının araştırılması amaçlanmıştır. Çalışmada 8 adet dişi, 5 adet erkek damızlık balık kullanılmıştır. Örneklenen 1 g yumurta örneğinde 1248±13,47 adet yumurta olduğu tespit edilmiştir. Elde edilen 946,19±33,85 µm çapındaki yumurtaların 209,35±11,65 µm çapında tek yağ damlasına sahip oldukları gözlenmiştir. Yumurtaların 21,5±0,5°C’de ‰38 tuzlulukta 40. saatte açılmaya başladığı, açılma oranının ise %93,33±1,15, olduğu saptanmıştır. Ön beslemede yeşil su tekniği kullanılmıştır. Prelarvaların 5. günde %100 oranında yem almaya başladıkları tespit edilmiştir. Larvalar hava kesesi oluşumuna 6. günde başlamışlardır. Larvaların boyları ve ağırlıkları sırasıyla 55. günde 25,7±2,49 mm ve 255,8±6,6 mg olarak ölçülmüştür. Yaşama oranı %81,33±0,57 SGR oranı ise %10,79±0,12 olarak tespit edilmiştir.

Anahtar Kelimeler

Akuakültür , Diplodus sargus , larva , sargoz balığı , kuluçkahane performansı

Teşekkür

Çalışmamda desteğini ve teknik bilgisini esirgemeyen Üretim Müdürü Bülent Hamzaçebi’ye ve her türlü imkanı sağlayan Olivka Tarım Ürünleri Sanayi ve Ticaret A.Ş. (Milas, Muğla, TÜRKİYE) yönetici ve çalışanlarına teşekkürlerimi sunarım.

Kaynakça

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