A model for cryobanking female germplasm in Japanese quail (Coturnix japonica)
Bibliographic record
Abstract
Cryopreservation and transplantation of ovarian tissue can be used for cryobanking female germplasm of avian species. Here we report a model of cryobanking ovarian tissue of Japanese quail. Ovaries of 1-wk-old quail chicks from the recessive white-breasted (WB) line were cryopreserved using a vitrification method. The cryopreserved tissue was warmed and transplanted orthotopically into ovariectomized, 1-wk-old female quail chicks from the homozygous wild-type QO line. At sexual maturation, recipients were mated with WB males and the plumage coloration was used as a marker to determine the origin of their ovaries. Seven of the 15 recipients laid eggs and produced donor-derived offspring, and 5 produced 100% donor-derived offspring. No difference was seen in egg production between recipients and untreated birds. The high efficiency of the vitrification and transplantation procedures in preserving and recovering quail ovarian tissue shows that this model can be used for maintaining commercial and experimental quail strains and may benefit other poultry species and endangered avian species.
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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".