Effects of alternating feeding regimes with varying dietary phosphorus levels on growth, mineralization, phosphorus retention and loading of large rainbow trout (<i>Oncorhynchus mykiss</i>)
Why this work is in the frame
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Bibliographic record
Abstract
Excessive phosphorus (P) levels in freshwater aquaculture effluents are a major environmental problem in certain receiving water bodies. This study aimed to test an approach alternating that alternating feeding P deficient and P sufficient diets and measure P loading from rainbow trout (Oncorhynchus mykiss) culture. Three experimental practical diets consisting of P-deficient (0.4% P, P04), optimum level of P (0.6% P, P06) and P-sufficient as control diet (0.8% P, P08) were formulated. Six different feeding regimes of P-sufficient diet continuously (P08), P-deficient diet continuously (P04), optimum dietary level of P (P06) continuously, one week P-deficient/one week optimum level of P diet (P04/P06.1), 2 weeks P-deficient/2 weeks optimum level of P diet (P04/P06.2) and 4 weeks P-deficient/ 4 weeks optimum level of P diet (P04/P06.4) were tested. Fish were fed twice daily to apparent satiation level 16 weeks. Fish fed all alternating regimes showed growth rate (weight and length) comparable to those of continuous feeding with P08 and P06 diet. The feed conversion ratios (FCR) for all alternating regimes were comparable to that of the P08 and P06 continuous feeding regime. Neither the thermal unit growth coefficient (TGC) nor condition factor (K) significantly influenced by feeding regimes. Vertebrae P, ash and whole body ash content did not differ among regimes. Except fish fed continuous P04 diet, the ash and P content in opercula and whole body total P content were not significantly different among each other in a continuous feeding and alternating feeding schedule.
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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 | 0.001 |
| 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) | 0.000 | 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 it