The effect of porcine proliferative enteropathy on the introduction of gilts into recipient herds
Bibliographic record
Abstract
Porcine proliferative enteropathy (PPE) caused by Lawsonia intracellularis (LI) is one of the most important enteric diseases in growing swine. The acute form of this disease, proliferative hemorrhagic enteropathy (PHE), has become a common problem when replacement breeding stock are introduced into a herd. In the cases described, animals of different immune status were moved between supply and recipient herds. An LI-free breeding-stock herd (Herd A) supplied gilts to four herds, one of which was LI-free (Herd B). During a 1-year period, PHE was observed in replacement animals after they entered the LI-infected herds (Herds C, D, and E); however, no problems were reported in Herd B. After an outbreak of PHE occurred in Herd A, replacement animals from this herd no longer developed PHE in the three LI-infected recipient herds. However, an outbreak of PHE occurred in Herd B when LI-infected replacement gilts were introduced.
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How this classification was reachedexpand
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 | 0.002 | 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) | 0.000 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".