Journals / Turkish Journal of Fisheries and Aquatic Sciences / 2010 / Cilt: 10 - Sayı: 3

Kahverengi alabalık (Salmo trutta macrostigma) ve Karadeniz alabalığı (Salmo trutta labrax)’nda yumurta inkübasyonu, erken gelişim ve yavrularda büyüme

Eggs incubation, early development and growth in frys of brown trout (Salmo trutta macrostigma) and Black Sea trout (Salmo trutta labrax)

Pages
387–394
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Incremental growth rates were not different between brown trout and Black Sea trout frys (P>0.05).

📌 3 Key Takeaways

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Objective & Hypothesis:Some of the embryonic development stages and growth of the frys of brown trout (Salmo trutta macrostigma) and Black Sea trout (Salmo trutta labrax) were examined.
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Key Findings & Data:The first eye pigmentation in the brown trout eggs were realised on the 35 days (244 day-degree) at 7.23°C and 31 days (260 day-degree) at 8.21°C post fertilisation.
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Conclusion & Impact:Incremental growth rates were not different between brown trout and Black Sea trout frys (P>0.05).
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:embriyonik gelişim · balık yavrusu · kuluçka

Abstract

Some of the embryonic development stages and growth of the frys of brown trout (Salmo trutta macrostigma) and Black Sea trout (Salmo trutta labrax) were examined. The first eye pigmentation in the brown trout eggs were realised on the 35 days (244 day-degree) at 7.23°C and 31 days (260 day-degree) at 8.21°C post fertilisation. First eye pigmentation of the Black Sea trout eggs were seen on day 25 (215 day-degree) at 8.21°C. Brown trout larvae were hatched on day 56 (387 day-degree) at 7.23°C and on day 50 (413 day-degree) at 8.21°C post fertilisation. Black Sea trout larvae were hatched on day 53 (440 day-degree). Survival rates in the eyed stages were 84.50% (7.23°C) and 86.65% (8.21°C) and 81.59%. Survival rates in the hatching were 82.27% (7.23°C) and 80.96% (8.21°C) in brown trout and 78.30% in Black Sea trout. Alevins were initially fed with only Artemia naupliii and then were acclimated to the commercially dry feed. The brown trout frys reached from 76.8±6.1 mg to 3527.4±250.3 mg in the period of 111 days. Growth in the frys was the best described using an exponential model and it was W(t)=18.741 x $exp^ {(0.0358xAge)}$ ($r^ 2$= 0.989) for brown trout. The Black Sea trout frys reached form 76.6±3.2 mg to 3,680.2±390.5 mg in the period of 111 days. The exponential growth equation of Black Sea trout frys was W(t)=15.742 x $exp^ {(0.0368xAge)}$ (r2= 0.989). Growth in length was fitted to the exponential model and the equations were formed as L(t)=11.240 x $exp^ {(0.0124xAge)}$ ($r^ 2$=0.991) for brown trout frys and L(t)=10.673 x $exp^ {(0.0128xAge)}$ ($r^ 2$= 0.987) for Black Sea trout frys. Incremental growth rates were not different between brown trout and Black Sea trout frys (P>0.05).

Özet

Kahverengi alabalık (S. t. macrostigma) ve Karadeniz alabalığında (S. t. labrax) bazı embryonic gelişim safhaları ve yavrularda büyüme incelenmiştir. Yumurtalarda ilk gözlenme kahverengi alabalıklarda 7,23°C de 35. günde (244 gün-derece) ve 8,21°C’de ise 31. günde (260 gün-derece) tespit edilmiştir. Karadeniz alabalığı yumurtalarında gözlenme ise 8,21°C’de 25. günde (215 gün-derece) olmuştur. Larva çıkışları kahverengi alabalıklarda 7.23°C ‘de 56. günde (387 gün-derece), 8,21°C’de ise 50. günde (413 gün-derece) görülmüştür. Karadeniz alabalıklarında larva çıkışları ise 53. günde (440 gün-derece) olmuştur. Gözlü safhada hayatta kalma oranları %84,50, %86,65 (7,23°C) ve %81,59 (8,21°C) olmuştur. Larva çıkış oranları kahverengi alabalıklarda %82,27 (7,23°C) ve %80,96 (8,21°C), Karadeniz alabalığında ise %78.30 olmuştur. Yavrular başlangıçta Artemia naupliii ile beslenmiş ve daha sonra ise ticari toz yemlere alıştırılmıştır. Kahverengi alabalık yavrularının ağırlıkları 111 günde 76,8±6,1 mg’dan 3.527,4±250,3 mg’a yükselmişlerdir. Kahverengi alabalıklarda büyüme; W(t)=18.741 x $exp^ {(0.0358xAge)}$ ($r^ 2$= 0.989) şeklinde ifade edilmiştir. Karadeniz alabalığı yavruları 111 günde 76,6±3,2 mg’dan 3.680,2±390,5 mg’a çıkmışlardır. Karadeniz alabalıklarında büyüme W(t)=15.742 x $exp^ {(0.0368xAge)}$ (r2= 0,989) şeklindedir. Boyca büyüme ise kahverengi alabalıklarda L(t)=11.240 x $exp^ {(0.0124xAge)}$ ($r^ 2$=0.991) ve Karadeniz alabalıklarında ise L(t)=10.673 x $exp^ {(0.0128xAge)}$ ($r^ 2$= 0,987) şeklinde bulunmuştur. Kahverengi alabalık ve Karadeniz alabalığı yavrularında büyüme oranları birbirlerinden farksız bulunmuştur (P>0,05)

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Cite This Article

AKER, A. A., ERER, M., KAMALAK, A. (2010). Kahverengi alabalık (Salmo trutta macrostigma) ve Karadeniz alabalığı (Salmo trutta labrax)’nda yumurta inkübasyonu, erken gelişim ve yavrularda büyüme. Turkish Journal of Fisheries and Aquatic Sciences, Cilt: 10 - Sayı: 3, 387–394. https://ajindex.com/articles/408229

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