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Data · dataset · 2026

Low-temperature - rewarming experiment data of grouper fish

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This study set up a 7-day low-temperature exposure and a 7-day rewarming observation window of equal duration to compare the stage differences in muscle response after continuous low-temperature exposure and a period of time after recovery to suitable water temperature.

Description

The water temperature of the control group at room temperature was maintained at (24 ± 0.5) ℃. The low-temperature rewarming group started to cool down from day 0 of the experiment, decreasing from 24 ℃ to (16 ± 0.5) ℃ within 10 hours, and then maintaining (16 ± 0.5) ℃ until day 7 of the experiment.

The cooling process was counted as 7 days of low-temperature treatment. After sampling on day 7, the water temperature increased from (16 ± 0.5) ℃ to (24 ± 0.5) ℃ within 10 hours, and then maintained at (24 ± 0.5) ℃ until day 14 of the experiment. The heating process was counted as 7 days of rewarming treatment.

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During the experiment, the group was fed with commercial compound feed once a day and the feeding situation of each water tank was recorded. Replace 30% of isothermal seawater daily, with a temperature difference of no more than 0.5 ℃ before and after water replacement. During the experiment, the feeding response, activity, and survival status of grouper were monitored daily.

The formula for calculating the daily feeding rate of grouper is: Daily feeding rate (% body weight/d)=Actual daily food intake (g)/Total biomass of fish in the water tank on that day (g) × 100. In the formula, actual daily food intake=feeding amount - residual feed amount. The total biomass of fish in the 0-7d water tank is 20 fish per box, and the total biomass of fish in the 7-14 day water tank is 13 fish per box. 

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Zoology 71%
Provenance · 1 source records, 11 field assertions
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ScienceDB10.57760/sciencedb.011ww8 d agoJSON v1
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