SENSORY AND MICROBIOLOGICAL EVALUATION OF TILAPIA FISH IN PORT-SAID MARKETS
Bibliographic record
Abstract
The freshness and hygienic quality of 50 fresh Tilapia sold in Port-Said fish market were evaluated. Quality grades based on the sensory evaluation of general appearance, odor, texture and condition of eyes and gills showed that 26% of the examined Tilapia were of grade (E), the excellent quality followed by 56% of grade (A) and 18% of grade (B). The quality levels based on the microbial load, showed that the accepted percentage of samples for human consumption according to; total viable count (TVC), total coliform bacteria (TC), S.aureus count, total Vibrio spp. count and Salmonella spp. were; 80%, 56%, 94%, 100%, and 100% respectively. Salmonella could not be detected in any of the examined samples, only 6(12%) of samples have S.aureus with mean count of 5.1x101±0.114cfu/g. Coagulase positive S.aureus was further examined for their ability to produce enterotoxins and only four isolates were found to be enterotoxin type B producers. The microbiological quality of fish was markedly improved by heat treatment (boiling for 10 minutes); The TVC, TC decreased to <100cfu/g, <10 cfu/g respectively and no pathogenic bacteria (S.aureus, Salmonella and Vibrio spp.) could be detected in the treated samples.
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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 | 0.001 | 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) | 0.002 | 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".