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Effects of dietary protein and lipid levels and protein to energy ratios on growth performance and feed utilization of hatchery-reared juvenile spotted babylon (Babylonia areolata)
Chaitanawisuti, N.; Kritsanapuntu, S.; Santaweesuk, W. (2011). Effects of dietary protein and lipid levels and protein to energy ratios on growth performance and feed utilization of hatchery-reared juvenile spotted babylon (Babylonia areolata). Aquacult. Int. 19(1): 13-21. https://dx.doi.org/10.1007/s10499-010-9337-4
In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X
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| Trefwoorden |
Chemical compounds > Organic compounds > Lipids
Chemical compounds > Organic compounds > Proteins
Growth
Babylonia areolata (Link, 1807) [WoRMS]
Marien/Kust |
| Author keywords |
Babylonia areolata; Protein; Lipid; Protein/energy ratio; Growthperformance |
| Auteurs | | Top |
- Chaitanawisuti, N.
- Kritsanapuntu, S.
- Santaweesuk, W.
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| Abstract |
A 120-day feeding trial was designed to determine the effects of different dietary protein and lipid levels and protein to energy ratio (P:E) on growth performance and feed utilization of hatchery-reared juvenile spotted babylon, Babylonia areolata, cultured under a flow-through seawater system. Six diets were formulated to contain three protein levels (18, 28, and 36%) and two lipid levels (10 and 15%) in a 3 × 2 factorial design with three replicates to provide six different dietary P:E ratios (50.17, 49.09, 68.50, 65.85, 88.66, and 85.36 mg protein/kcal). Each replicate was stocked with 50 snails (0.12 + 0.01 g, initial weight) and fed to satiation once daily. The results showed that survival was above 96% at the end of the feeding trial in all groups and was not affected by either dietary protein level or dietary lipid level. The highest significant (P < 0.05) growth and feed utilization were observed for juveniles fed diet with a P:E ratio of 88.66 kcal g−1 diet. With respect to dietary protein and lipid levels, the highest (P < 0.05) values for growth and feed efficiency were observed for snails fed a diet containing 36% protein level and the same trend was observed for snails fed a diet with 10% lipid level. This results indicated that the diet containing 36% protein and 10% lipid level with a dietary P:E ratio of 88.66 mg protein/kcal would be suitable for optimum growth and feed utilization of B. areolata juveniles. |
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