Heterogeneous Weight Development of Lumpfish (Cyclopterus lumpus) Used as Cleaner Fish in Atlantic Salmon (Salmo salar) Farming
Abstract
1. Introduction
2. Materials and Methods
2.1. Commercial Farm Data
2.1.1. Lumpfish Weight from Commercial Farms
2.1.2. Sea Water Temperature from Commercial Farms
2.2. Lumpfish Weight Development in a Controlled Tank Experiment
2.3. Methods
2.3.1. Probability Density of Weight over Time
2.3.2. Regression Model for Lumpfish Weight
2.3.3. Comparison with Individual Time–Series from the Controlled Tank Experiment
3. Results
3.1. Regression Models for Daily Growth
Coefficient of Variation
3.2. Individual Time–Series of Weight in the Controlled Tank Experiment
4. Discussion
4.1. Limitations
4.2. Future Work
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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T | T2 | W | W2 | WT | CV | AIC |
---|---|---|---|---|---|---|
x | x | x | x | - | Non-constant | 0 |
x | x | x | x | x | Non-constant | 0.4 |
x | - | x | x | - | Non-constant | 2.2 |
x | - | x | x | x | Non-constant | 2.5 |
x | x | x | - | - | Non-constant | 9.0 |
x | - | x | - | - | Non-constant | 11.2 |
x | x | x | x | - | Constant | 84.2 |
Covariate | Parameter | Estimate | Standard Error | p-Value |
---|---|---|---|---|
Start weight stock 1 | 77.2 | 9.35 | - | |
Start weight stock 2 | 60.8 | 2.24 | - | |
Start weight stock 3 | 85.6 | 3.62 | - | |
Start weight stock 4 | 44.8 | 1.84 | - | |
Start weight stock 5 | 48.5 | 3.92 | - | |
Intercept | −0.0197 | 0.00325 | - | |
Temperature | 0.00472 | 0.000629 | <0.001 | |
Weight | 0.00997 | |||
Temperature2 | <0.001 | |||
Weight2 | 0.00592 | |||
Variance parameter | 0.00342 | 0.00155 | - | |
Variance parameter | 0.783 | 0.0925 | <0.001 |
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Engebretsen, S.; Aldrin, M.; Staven, F.R.; Bendiksen, E.; Stige, L.C.; Jansen, P.A. Heterogeneous Weight Development of Lumpfish (Cyclopterus lumpus) Used as Cleaner Fish in Atlantic Salmon (Salmo salar) Farming. Fishes 2024, 9, 336. https://doi.org/10.3390/fishes9090336
Engebretsen S, Aldrin M, Staven FR, Bendiksen E, Stige LC, Jansen PA. Heterogeneous Weight Development of Lumpfish (Cyclopterus lumpus) Used as Cleaner Fish in Atlantic Salmon (Salmo salar) Farming. Fishes. 2024; 9(9):336. https://doi.org/10.3390/fishes9090336
Chicago/Turabian StyleEngebretsen, Solveig, Magne Aldrin, Fredrik R. Staven, Eskil Bendiksen, Leif Christian Stige, and Peder A. Jansen. 2024. "Heterogeneous Weight Development of Lumpfish (Cyclopterus lumpus) Used as Cleaner Fish in Atlantic Salmon (Salmo salar) Farming" Fishes 9, no. 9: 336. https://doi.org/10.3390/fishes9090336
APA StyleEngebretsen, S., Aldrin, M., Staven, F. R., Bendiksen, E., Stige, L. C., & Jansen, P. A. (2024). Heterogeneous Weight Development of Lumpfish (Cyclopterus lumpus) Used as Cleaner Fish in Atlantic Salmon (Salmo salar) Farming. Fishes, 9(9), 336. https://doi.org/10.3390/fishes9090336