Journals / Turkish Journal of Fisheries and Aquatic Sciences / 2010 / Cilt: 10 - Sayı: 4

Yoğun kültür ortamında suni substratların, Litopenaeus vannamei'nin büyümesi, uzamsal dağılımı ve spesifik olmayan bağışıklık faktörleri üzerine etkileri

Effects of artificial substrates on growth, spatial distribution and non- specific immunity factors of litopenaeus vannamei in the intensive culture condition

Pages
491–497
DOI
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AI Summary & Key Takeaways

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

It was suggested that artificial substrates could alleviate the negative effect of the high stocking density by providing well living environment for shrimp.

📌 3 Key Takeaways

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Objective & Hypothesis:In order to investigate the effects of artificial substrates on shrimp growth, spatial distribution and non-specific immunity factors, such as phenoloxidase (PO), superoxide dismutase (SOD), peroxidase (POD), antibacterial activity (Ua), lysozyme (Ul) and hemolysin activity, 30-day old Litopenaeus vannamei post-larvae (PL30) were reared intensively for 60 days at a density of 500 shrimp $m^ {-2}$ of water surface area in each of 8 PVC aquaria (1.0×1.0×1.5m, water surface area 1 $m^ {-2}$, water volume 1000 L).
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Key Findings & Data:Two aquaria containing no artificial substrate were a control group, and 1, 2 and 3 artificial substrates were present in other 6 aquaria.
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Conclusion & Impact:It was suggested that artificial substrates could alleviate the negative effect of the high stocking density by providing well living environment for shrimp.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:uzaysal dağılım · Penaeus vannamei · süperoksit dismutaz

Abstract

In order to investigate the effects of artificial substrates on shrimp growth, spatial distribution and non-specific immunity factors, such as phenoloxidase (PO), superoxide dismutase (SOD), peroxidase (POD), antibacterial activity (Ua), lysozyme (Ul) and hemolysin activity, 30-day old Litopenaeus vannamei post-larvae (PL30) were reared intensively for 60 days at a density of 500 shrimp $m^ {-2}$ of water surface area in each of 8 PVC aquaria (1.0×1.0×1.5m, water surface area 1 $m^ {-2}$, water volume 1000 L). Two aquaria containing no artificial substrate were a control group, and 1, 2 and 3 artificial substrates were present in other 6 aquaria. Shrimp growth (gain in weight), survival and yield increased significantly (P<0.05) when more artificial substrates were added. The percentage of shrimp on artificial substrates increased with increasing number of artificial substrates and rearing time. As for non-specific immunity factors, the activities of PO, Ua, Ul, POD, SOD and hemolysin of groups with artificial substrates were lower than those of control group significantly (P<0.05). With an increasing number of artificial substrates, the activities of PO, Ua, Ul, POD and hemolysin reduced, but SOD activity increased. It was suggested that artificial substrates could alleviate the negative effect of the high stocking density by providing well living environment for shrimp.

Özet

Suni substratların; karidesin büyümesi, uzamsal dağılımı ve fenoloksidaz (PO), süperoksit dismutaz (SOD), peroksidaz (POD), antibakteriyel aktivite (Ua), lizozim (Ul ve hemolizin aktivitesi gibi non-spesifik bağışıklık faktörlerinin üzerindeki etkilerini incelemek amacıyla 30 günlük Litopenaeus vannamei postlarva (PL30) 60 gün boyunca 8 adet PVC akvaryumun her birinde 500 karides m"2 yoğunlukta (1.0x1.0x1.5 m, suyun yüzey alanı 1 m"2, suyun hacmi 1,000 L) intensif olarak yetiştirilmiştir. İçerisinde suni hiçbir sübstrat bulunmayan iki akvaryum kontrol grubu olmuş, 1,2 ve 3 suni sübstrat ise diğer 6 akvaryumda bulunmuştur. Daha fazla suni sübstrat eklendiğinde karidesin büyümesi (ağırlık artışı), yaşama oranı ve ürün anlamlı bir şekilde artmıştır (P<0,05). Suni sübstratlardaki karidesin yüzdesi; suni sübstratlarm sayısının artması ve büyüme süresiyle birlikte artmıştır. Non-spesifik bağışıklık faktörleri bakımından PO, Ua, Ul, POD, SOD aktiviteleri ve suni substratlı gruplara ait hemolizin, kontrol grubuna ait olan değerlerden anlamlı bir şekilde daha düşük olduğu görülmüştür (P<0,05). Suni substratların sayısının artmasıyla PO, Ua, Ul, POD ve hemolizin azalmış, SOD aktivitesi artmıştır. Karideslere iyi bir yaşama ortamı sağlayarak, stoklama yoğunluğunun yüksek olmasından kaynaklanan negatif etkinin azaltılabileceği ileri sürülmüştür.

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Cite This Article

ZHANG, B., LIN, W., WANG, Y., XU, R. (2010). Yoğun kültür ortamında suni substratların, Litopenaeus vannamei'nin büyümesi, uzamsal dağılımı ve spesifik olmayan bağışıklık faktörleri üzerine etkileri. Turkish Journal of Fisheries and Aquatic Sciences, Cilt: 10 - Sayı: 4, 491–497. https://ajindex.com/articles/408233

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