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Growth, Survival, Digestive Enzyme Activities, and RNA/DNA Ratio in Japanese Flounder Paralichthys olivaceus Larvae Fed Live Food and Casein Peptide- and Fish Meal-Based Microdiets
| Content Provider | Semantic Scholar |
|---|---|
| Author | Haga, Yutaka Masuda, Reiji Takahashi, Kohji Ohta, Hiroaki Ishida, Shuzo Satoh, Shuichi |
| Copyright Year | 2013 |
| Abstract | A feeding experiment was conducted to investigate the effects of feeding live food (LF) and two microdiets [MDs; commercial MD (CD) and peptide-based MD (PMD)] on the growth, survival, digestive enzyme activity, and RNA/DNA ratio in Japanese flounder Paralichthys olivaceus larvae. Flounder larvae at 21 days post hatching (dph) were fed two types of MDs with 1/6 LF or LF for 18 days. At 38 dph, significantly higher survival was observed in larvae fed LF than those fed CD + 1/6 LF and PMD + 1/6 LF. At 38 dph, significantly higher body weight was observed in larvae fed CD + 1/6 LF than LF and PMD + 1/6 LF. Significantly higher RNA/DNA ratios were observed in larvae fed LF than CD+1/6 LF or PMD + 1/6 LF during 23-32 dph. However, there was no difference in RNA/DNA ratios in larvae fed CD+1/6 LF and PMD+1/6 LF at all time examined. Significantly higher amylase, lipase and trypsin activities were observed in fish fed 1/6 LF at 29 and 32 dph. Protease activity of fish fed 1/6 LF was significantly higher at 35 dph. No marked difference was observed in enzyme activities in fish fed two MDs. |
| Starting Page | 81 |
| Ending Page | 93 |
| Page Count | 13 |
| File Format | PDF HTM / HTML |
| DOI | 10.11233/aquaculturesci.61.081 |
| Volume Number | 61 |
| Alternate Webpage(s) | https://www.jstage.jst.go.jp/article/aquaculturesci/61/1/61_081/_pdf/-char/ja |
| Alternate Webpage(s) | https://doi.org/10.11233/aquaculturesci.61.081 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
