KEBUTUHAN ASAM AMINO LISIN UNTUK BENIH IKAN KERAPU BEBEK (Cromileptes altivelis)
Abstract
The experiment to find out an amino acid lysine requirement for growth of humpback grouper juvenile has been conducted in 18 polycarbonate tanks, 100 liters volume. Each tank is equipped with flow-through water system. Twelve juveniles of humpback grouper (4.4 ± 0.3 gram in body weight), which were produced in hatchery, were randomly selected, and stock in each tank. Fish fed with experimental diets twice everyday at satiation level for 63 days. Experimental diets were prepared as dry pellet with casein and fish meal as the intact protein sources, and the mixture of crystalline amino acids to reach protein level of 49% and the composition of amino acid similar to the amino acid composition of whole body protein of humpback grouper, except for lysine content. Basal diet (diet-1) contains 1.77% lysine that was supplied from casein and fish meal. Graded level (0.5%) of crystalline lysine was added to the basal diet to get the final lysine level in each diet of 1.77%, 2.27%, 2.77%, 3.27%, 3.77%, and 4.27%. The experiment was designed according to completely random design (CRD) with 6 treatments (lysine levels) and three replicates for each treatment. Result of the experiment showed that dietary lysine content influenced final weight, weight gain, specific growth rate, feed efficiency, protein retention, and body protein content of humpback grouper juvenile. Optimum dietary lysine for humpback grouper juvenile was calculated using broken line regression analysis. Optimum dietary lysine requirement for growth of juvenile humpback grouper is 2.77% or equal to 5.63% of dietary protein.
Keywords
Full Text:
PDFDOI: http://dx.doi.org/10.15578/jra.1.2.2006.143-150

Jurnal Riset Akuakultur is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
View My Stats
p-ISSN 1907-6754
e-ISSN 2502-6534
<img src="data:image/png;base64,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