Relationship between transitional lumbosacral vertebrae and eight lumbar vertebrae in a breeding colony of Labrador Retrievers and Labrador Crosses
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: Transitional lumbosacral vertebrae (TLSV) is a hereditary malformation of the spinal column diagnosed in various dog breeds. The aim of this study was to explore whether different lumbosacral phenotypes have an inherited basis. METHODS: Radiographs of all dogs within a breeding colony were performed and assessed. A comparison of the incidence of TLSV, eight lumbar vertebrae (8LV), and fusion of the first caudal vertebrae to the sacrum or near fusion of this area was made between litters of normal parentage and litters where one or both of the parents had an anomaly. RESULTS: Of the 119 puppies included in the study, 69 had normal conformation, 9 had 8LV, 9 had TLSV and 32 had fusion of the first caudal vertebra (Ca1) to the caudal sacral segment or a reduced joint space in this area. Results indicated that all the abnormal types likely had common underlying genetic causes. Compared with the population as a whole, significantly more progeny were observed to have abnormalities of the sacral region when both parents were affected by either fusion of Ca1 to the third sacral vertebra (S3) and/or had 8LV. Significantly more progeny were normal compared with the entire study population when both parents were normal. Strong similarity between parental and progeny phenotypes suggested that the characteristics were heritable and likely influenced by major gene effects. CONCLUSION: When performing screening radiographs for TLSV, assessment for 8LV and fusion of Ca1 to S3 should be included.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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