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Abstract

     The experiment was conducted to determine the suitable feed for eel to 40 days of age. Three-day-old eels were nursed to 20 days of age in plastic basins (ɸ: 36cm), density of 300 ind./m². Eels were fed: worm (tubifex) (NT1), moina (NT2), ground fishmeat (NT3), moina + worms + ground fishmeat (NT4) and moina + worms (NT5). At the end of the experiment, growth of eel length was similar between treatments (P > 0.05). The weight growth and survival were highest in NT1 and NT5 and lowest in NT3 (P < 0.05). Twenty one days old ells were nursed to 40 days old in cement tanks (2×2×1 m), density of 200 ind./m². Eels were fed: worm (tubifex) (NT1), ground fishmeat (NT2), pellets (NT3), worm+pellets (NT4) and ground fishmeat + pellets (NT5). At the end of the experiment, the highest length growth were in NT1 and NT2 and lowest in NT5 (P <0.05). Weight growth were highest in NT4 and lowest in NT1 and NT5 (P <0.05). Survival was highest in NT4, followed by NT1 and NT2 and lowest in NT3 and NT5 (P <0.05). The results showed that the suitable feed for eel to 20 days was the combination of moina with worm and for 21-40 days old eel was worm combined with pellets.


Keywords: eel, growth, survival rate, feed

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Author Biographies

Lương Công Trung

Viện Nuôi trồng Thủy sản, Trường Đại học Nha Trang

Nguyễn Trung

Trung tâm Khuyến Nông Hải Phòng