IMPACT OF THE AGE OF LAYING CHICKEN ON MECHANICAL STRENGTH OF EGGS
Bibliographic record
Abstract
External and internal qualities of eggs are affected by a number of factors including the age of laying chicken. Understanding changes in quality is critical in industrial handling and processing of eggs. The aim of this study was to analyze mechanical strength of eggs laid by hens at 52 to 55 weeks of laying cycle. About 12000 white-shelled leghorn eggs from 6 flocks over 3 months period were used. Mechanical strength of eggs was measured in terms of the rupture force and energy using Universal Instron testing machine. Mean values of eggshells strength decreased from 34 to 31 N between 52 and 55 weeks, respectively. Eggshell thickness was in the range of 0.33 to 0.31 mm. The results showed that age of laying chicken significantly (p<0.05) influenced eggshell strength and eggshell thickness. Older hens laid weaker and thinner eggs. Thus, the age of laying chicken should be considered as a critical factor affecting egg handling and processing quality.
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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 | 0.001 |
| 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) | 0.001 | 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".