N-3 HUFA’ca zenginleştirilmiş Artemia ile beslenen Yeşil kaplankaridesi (Penaeus semisulcatus) larvalarının büyüme performansı

Artemia zenginleştirmesinin karides larvaları üzerindeki etkileri konusunda önemli miktarda çalışmalar yapılmıştır. Penaeidkarideslerin, yüksek oranda doymamış yağ asitlerinin (n-3 HUFA) sentezlemede sınırlı bir yeteneğine sahip olduğu iyi bilinmektedir.Bu çalışma, deneylerde yeşil kaplan karidesi (Penaeus semisulcatus) larva kültürü sırasında yüksek oranda n-3 HUFA ilezenginleştirilen Artemianın büyüme ve hayatta kalma üzerine etkilerini araştırmak için yapılmıştır. Mysis I'den postlarvalara (PL9) onbir güne kadar P. semiculcatus larvalarının zenginleştirilmemiş Artemia (WE) ve yüksek seviyelerde n-3 HUFA içeren bir emülsiyon(SELC) ile zenginleştirilmiş Artemialar (Artemia nauplii) ile beslenerek büyüme performansları ve hayatta kalma oranlarıaraştırılmıştır. Deneme sonunda, zenginleştirilmiş Artemia'da daha yüksek n-3 HUFA, özellikle 20:5n-3 ve 22:6n-3 seviyeleribulunmuştur. M1'den PL1'e veya PL9'a büyütülen larvalar, SELC tedavilerinde daha yüksek yaşama oranı (PL1'de %93.20 veyaPL7'de %79.13) göstermiştir. PL1'deki toplam uzunluk (TL) (sırasıyla 5.33-5.34 mm TL) gruplar arasında anlamlı farklılıkgöstermemiştir. Ancak, son toplam PL9 uzunluğu SELC'de (9.25 mm / gün TL) WE'den (8.97 mm / gün TL) önemli ölçüde dahayüksek bulunmuştur. Larva yetiştiriciliği sırasında n-3 HUFA'nın takviyesi, postlarvalarda P. semisulcatus'un yaşama toleransınıarttırmış, 12 gün sonra büyüme performansını olumlu yönde etkilemiştir. N-3 HUFA ile zenginleştirilmiş Artemia, büyüme oranınıolumlu yönde etkileyebilir ve P. semisulcatus'un erken aşamalarının toplam uzunluğunu ve hayatta kalmasını etkili bir şekildeartırabilir. Ek olarak, sonuçlar karma yemlere geçmeden önce n-3 HUFA ile zenginleştirilmiş Artemia kullanmanın büyümeperformansının yanı sıra çevresel etkiler üzerinde de etkili olabileceğini göstermiştir. Bu durum, entansif kuluçkahaneler için açık birpotansiyel uygulama olarak kabul edilmektedir. Larvaların geçiş aşamasında çok karşılaşılan hayatta kalma problemleri içinkullanılması önerilmektedir.

The Effect of Enriched Artemia of N-3 HUFA on the growth performance of Green tiger shrimp (Penaeus semisulcatus) larvae

shrimps have a limited ability to synthesize highly unsaturated fatty acids (n-3 HUFA). This study was carried out to investigate theeffects of enrichment artemia with n-3 HUFA on growth and survival during the larval culturing of Penaeus semisulcatus inexperiments. P. semisulcatus larvea from Mysis I to eleven days postlarvae (PL9) were fed without Artemia-enriched (Artemianauplii) (WE) and an emulsion containing high levels of n-3 HUFA (SELC). In the end of the experiment, higher levels of n-3 HUFA,especially 20:5n-3 and 22:6n-3, were found in the enriched Artemia. The larvae grown from M1 to PL1 or to PL9 displayed higher survival (93.20% at PL1 or 79.13% at PL9) in SELC treatments. The total length (TL) at PL1 (5.33–5.34 mm TL, respectively) didnot significantly differences between groups. However, final total length of PL9 was significantly higher in SELC (9.25 mm/day TL)than in WE (8.97 mm/day TL). Supplementation of n-3 HUFA during larviculture increases the survival tolerance of P. semisulcatus in postlarvae, positively affects growth performance after 12 days. N-3 HUFA enriched Artemia can positively affect growth rate andeffectively improve the total length and survival of the early stages of P. semisulcatus. In addition, the results showed better effects ongrowth performance and environmental effects using Artemia enriched before switching to this type of mixed feed. This is consideredto be an obvious potential application for intensive hatcheries. This is considered to be a clear potential application for intensivehatcheries. It is recommended to use the larvae for survival problems that are frequently encountered during the transition phase.

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