Effects of seasonal temperature and photoperiod on Atlantic cod (<i>Gadus morhua</i>). I. Morphometric parameters and metabolites
Bibliographic record
Abstract
Age-1+ to age-3+ Atlantic cod (Gadus morhua) were held at either constant (~9 °C) or ambient ocean temperatures (Newfoundland) from December 2000 to June 2002 under natural photoperiod and ad libitum feeding. Body mass and length, liver total lipids, triacylglycerols and free fatty acids, glycogen and protein from liver and muscle, plasma glucose, and lactate were assessed over this period. Both groups increased body mass, length, and liver mass, with a significantly greater increase for the constant group at all sampling dates. Both groups demonstrated a growth phase from August to October 2001, while the ambient group showed a compensatory growth phase from May to July 2001. Gonad mass significantly increased in males and females from both groups in June 2002. Most tissue metabolites demonstrated seasonal patterns consistent with photoperiod. The effect of temperature was primarily quantitative, implicating temperature changes food conversion efficiencies, as both groups of cod had the same access to food. Under the conditions of this study, Atlantic cod growth is controlled primarily by photoperiod, with temperature affecting the amounts of tissue metabolites.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".