Optimization of silver scat population breeding strategy and germplasm resource improvement based on genetic algorithm
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24 mar 2025
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Publicado en línea: 24 mar 2025
Recibido: 31 oct 2024
Aceptado: 10 feb 2025
DOI: https://doi.org/10.2478/amns-2025-0785
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© 2025 Pan Chen et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure 1.
Figure 2.
Figure 3.
The results of the pareto optimal solution set analysis
| Strategy | Temperature | Current velocity | Water depth | Luminous duration | Euclidean distance |
|---|---|---|---|---|---|
| 1 | 24°C | 0.38m/s | 1.04m | 12h | 49.96 |
| 2 | 26°C | 0.23m/s | 1.32m | 19h | 46.88 |
| 3 | 22°C | 0.22m/s | 1.41m | 14h | 41.52 |
| 4 | 22.5°C | 0.32m/s | 1.08m | 15h | 39.3 |
| 5 | 22.5°C | 0.21m/s | 1.7m | 15h | 43.47 |
| 6 | 22.9°C | 0.31m/s | 1.1m | 12h | 41.76 |
| 7 | 25.5°C | 0.26m/s | 1.84m | 19h | 47.68 |
| 8 | 22.2°C | 0.23m/s | 1.57m | 15h | 44.7 |
| 9 | 24.2°C | 0.34m/s | 1.36m | 12h | 56.02 |
| 10 | 22°C | 0.33m/s | 1.3m | 14h | 43.82 |
| 11 | 23.1°C | 0.31m/s | 1.25m | 19h | 39.27 |
The comparison of the growth of the young fish
| Item | Optimization group | Original group | P | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Initial body weigh(g) | 24.1 | 5.9 | 23.9 | 6.9 | 0.632 |
| Final body weigh(g) | 594.6 | 39.6 | 562.3 | 45.8 | 0.015 |
| CVW | 11.64 | 10.52 | 0.009 | ||
| SGR(%/d) | 2.59 | 0.04 | 2.36 | 0.08 | 0.012 |
| AGR(g/d) | 4.13 | 0.52 | 3.90 | 0.48 | 0.006 |
| SR(g) | 96.58% | 92.45% | 0.004 | ||
| FCR | 1.36 | 1.12 | 0.084 | ||
The results of the body length and the physical deformation of the fish
| Group | Day | Body Length | Body Mass | Mortality | ||
|---|---|---|---|---|---|---|
| Female | Male | Female | Male | |||
| Optimization group | D1 | 305.2±13.8 | 307.5±19.3 | 1522.3±63.9 | 1524.5±56.8 | 0% |
| D15 | 310.8±18.7 | 311.9±13.0 | 1542.5±58.7 | 1548.9±48.2 | 0% | |
| D30 | 318.5±16.6 | 319.8±19.1 | 1587.6±92.1 | 1594.2±45.2 | 0% | |
| D45 | 320.1±18.4 | 321.4±18.0 | 1617.6±112.3 | 1619.8±74.5 | 0% | |
| D60 | 325.6±18.3 | 327.4±15.3 | 1642.3±37.5 | 1645.9±117.3 | 0% | |
| Original group | D1 | 305.6±19.1 | 306.5±16.4 | 1523.6±106.3 | 1525.4±95.2 | 0% |
| D15 | 309.6±16.1 | 308.5±18.6 | 1538.6±104.4 | 1537.8±93.1 | 0% | |
| D30 | 315.6±17.5 | 316.5±15.5 | 1542.3±102.2 | 1543.6±45.1 | 0% | |
| D45 | 317.6±18.2 | 319.4±16.6 | 1565.3±114.2 | 1569.6±90.3 | 0% | |
| D60 | 320.1±18.2 | 322.6±15.3 | 1594.6±42.4 | 1597.8±51.8 | 11.1% | |