Comparative analysis of Byssal thread production, mechanical properties, and composition in diploid and triploid Mytilus edulis
Bibliographic record
Abstract
Mussel fall-off continues to pose a major challenge for suspension-culture farming, leading to substantial crop losses. Although studies on juvenile mussels (<30 mm) have indicated that triploids may exhibit enhanced byssal thread attachment and reduced fall-off, their performance in adult mussels remains insufficiently explored. In this study, we investigated the production, mechanical strength, biochemical composition, and structural features of byssal threads in diploid and triploid mussels of commercial size (>50 mm). We also calculated metabolic and filtration rates, as well as scope for growth. Our results revealed that triploid mussels produced 25 % more byssal threads with significantly enhanced mechanical properties. Triploid mussels conditioned at 20 °C exhibited a 48 % higher clearance rate, a 57 % greater scope for growth, and a 40 % stronger valve (breaking strength) compared to diploids. These findings suggest that triploid mussels over 50 mm have superior attachment strength relative to wild mussels, primarily due to increased thread production.
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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) | 0.000 | 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".