Balancing Dietary Vitamin D <sub>3</sub> and Phosphorus Improved Growth, Mineralization, and Fecal Characteristics of Atlantic Salmon ( <i>Salmo salar</i> ) Post‐Smolts in Land‐Based Aquaculture
Bibliographic record
Abstract
Metabolic responses to different dietary levels of vitamin D 3 and available phosphorus (avP) was investigated in cultured Atlantic salmon ( Salmo salar ). The study was carried out in triplicate with a 2‐level full factorial design with a center point and three additional points within the design space. Over a 17‐ week period at the initial weight of 453 ± 9 g, salmon reared indoor on land, were fed diets containing different levels of vitamin D 3 and avP. In summary,growth performance, measured as specific growth rate (SGR), improved when either vitamin D 3 or avP was increased independently, but declined when both were elevated excessively. Bone mineralization was maintained at intermediate vitamin D 3 inclusion levels, though high vitamin D 3 reduced bone ash. A diet containing 0.63 mg/kg vitamin D 3 and 0.70% avP supported growth and mineral retention. A significant reduction in fecal soluble phosphorus when vitamin D 3 was increased in the diet, suggests that management of vitamin D 3 can contribute to improved waste control and reduced environmental load for phosphorus. Finally, the study highlighted that today’s commercial dietary inclusion of vitamin D 3 can result in lower vitamin D 3 accumulation in muscle of land‐based farmed Atlantic salmon compared to wild Atlantic salmon.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".