Bibliographic record
Abstract
In 2005, trichomonosis emerged as a new cause of substantial mortality in United Kingdom (UK) greenfinch (Carduelis chloris) and chaffinch (Fringella coelebs) populations. Similar to the UK, in the summer and fall of 2007–2009 and 2011, mortalities due to trichomonosis occurred in the Canadian Maritime provinces’ purple finch (Carpodacus purpureus) and American goldfinch (Cardeuelis tristis) populations consistent with emergence of trichomonosis in this region.\nTrichomonosis is caused by Trichomonas gallinae, a protozoan parasite infecting the upper digestive tract of birds. Trichomonosis causes slow death from emaciation and dehydration due to lesions preventing ingestion of food and water. This disease is reported by the public at their backyard feeding and watering stations. Therefore, this study’s goal was to better understand the epidemiology of trichomonosis in this region through collaboration with the Maritime bird feeding public.\nThrough use of molecular tools and field techniques this study was able to conclude that (1) rock pigeons (Columba livia) can act as a reservoir for T. gallinae in the Canadian Maritime provinces, (2) the same T. gallinae strain that caused the United Kingdom epidemic is present in Canadian Maritime wild avifauna, (3) moist birdseed can possibly act as a fomite in the transmission of T. gallinae and (4) climate is a potential contributing factor in the emergence of\nT. gallinae in the Canadian Maritime provinces.\nFinally, this study provided the first scientific approach to assess the role of birdfeeders and watering stations as fomites facilitating transmission of trichomonosis. The information obtained from this project resulted in general recommendations on trichomonosis prevention for the concerned bird feeding public, thus protecting the health and welfare of birds frequenting birdfeeders.
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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) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.028 | 0.007 |
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".