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

Öz

Artemia zenginleştirmesinin karides larvaları üzerindeki etkileri konusunda önemli miktarda çalışmalar yapılmıştır. Penaeid karideslerin, 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 ile zenginleştirilen Artemianın büyüme ve hayatta kalma üzerine etkilerini araştırmak için yapılmıştır. Mysis I'den postlarvalara (PL9) on bir 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 oranları araştırılmıştır. Deneme sonunda, zenginleştirilmiş Artemia'da daha yüksek n-3 HUFA, özellikle 20:5n-3 ve 22:6n-3 seviyeleri bulunmuştur. M1'den PL1'e veya PL9'a büyütülen larvalar, SELC tedavilerinde daha yüksek yaşama oranı (PL1'de %93.20 veya PL7'de %79.13) göstermiştir. PL1'deki toplam uzunluk (TL) (sırasıyla 5.33-5.34 mm TL) gruplar arasında anlamlı farklılık göstermemiştir. Ancak, son toplam PL9 uzunluğu SELC'de (9.25 mm / gün TL) WE'den (8.97 mm / gün TL) önemli ölçüde daha yüksek bulunmuştur. Larva yetiştiriciliği sırasında n-3 HUFA'nın takviyesi, postlarvalarda P. semisulcatus'un yaşama toleransını arttırmış, 12 gün sonra büyüme performansını olumlu yönde etkilemiştir. N-3 HUFA ile zenginleştirilmiş Artemia, büyüme oranını olumlu yönde etkileyebilir ve P. semisulcatus'un erken aşamalarının toplam uzunluğunu ve hayatta kalmasını etkili bir şekilde artırabilir. Ek olarak, sonuçlar karma yemlere geçmeden önce n-3 HUFA ile zenginleştirilmiş Artemia kullanmanın büyüme performansının yanı sıra çevresel etkiler üzerinde de etkili olabileceğini göstermiştir. Bu durum, entansif kuluçkahaneler için açık bir potansiyel uygulama olarak kabul edilmektedir. Larvaların geçiş aşamasında çok karşılaşılan hayatta kalma problemleri için kullanılması önerilmektedir.

Anahtar Kelimeler

• Peneseaus semisulcatus
• Zenginleştirme
• büyüme performansı,
• hayatta kalma

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

Öz

A significant amount of work has been done on the effects of Artemia enrichment on shrimp larvae. It is well known that penaeid shrimps have a limited ability to synthesize highly unsaturated fatty acids (n-3 HUFA). This study was carried out to investigate the effects of enrichment artemia with n-3 HUFA on growth and survival during the larval culturing of Penaeus semisulcatus in experiments. P. semisulcatus larvea from Mysis I to eleven days postlarvae (PL9) were fed without Artemia-enriched (Artemia nauplii) (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) did not 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 and effectively improve the total length and survival of the early stages of P. semisulcatus. In addition, the results showed better effects on growth performance and environmental effects using Artemia enriched before switching to this type of mixed feed. This is considered to be an obvious potential application for intensive hatcheries. This is considered to be a clear potential application for intensive hatcheries. It is recommended to use the larvae for survival problems that are frequently encountered during the transition phase.

Anahtar Kelimeler

• Peneseaus semisulcatus
• enrichment
• growth performance
• survivial

Kaynakça

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