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Abstract This study investigated the effects of different light cycles on growth, food intake, energy budget, and related gene expression of the abalone Haliotis discus hannai Ino. Abalones (mean ± standard error… Click to show full abstract
Abstract This study investigated the effects of different light cycles on growth, food intake, energy budget, and related gene expression of the abalone Haliotis discus hannai Ino. Abalones (mean ± standard error shell length: 30.28 ± 1.64 mm, body weight: 4.51 ± 0.49 g) were exposed to the following light cycles: 0L:24D, 4L:20D, 8L:16D, 12L:12D, and 16L:8D for 60 days, four repetitions were provided for each light cycle. At the end of the experiment, there was no significant difference in shell length or body weight growth rate between 0L:24D and 4L:20D (P > 0.05), the values of which were significantly higher than in 16L:8D (P 0.05). However, the energy loss via feces and respiratory metabolism in 0L:24D was significantly higher than in 4L:20D (P
Journal Title: Aquaculture
Year Published: 2018
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