Investigation of the Role of Bovine Viral Diarrhea Virus in Undifferentiated Fever of Feedlot Cattle
Bibliographic record
Abstract
The undifferentiated fever (UF)/bovine respiratory disease (BRD) complex continues to be the single most important infectious disease entity in beef feedlot production. Current management practices have focused on successfully managing this disease complex through the use of prophylactic and therapeutic antimicrobial strategies. However, there are substantial amounts of concrete and circumstantial epidemiologic, pathologic, serologic and immunologic evidence of an association between bovine viral diarrhea virus (BVDV) and the UF/ BRD complex. Unfortunately, there are limited data that describe how the transmission of BVDV in the feedlot occurs and how this transmission leads to the development of UF/BRD. The purpose of the proposed project is to improve our understanding of the role that BVDV plays in the pathogenesis of pen-level UF/BRD, through the development/refinement of diagnostic tests for identifying and differentiating animals with BVDV, so that appropriate management intervention strategies can be developed to reduce BVDV transmission/infection in commercial feedlot production. In the first phase of the study, population-based, morbidity-based and mortality-based BVDV testing surveys will be conducted in a population of 40 pens (approximately 12,000 animals) of auction-market derived feedlot calves, housed in four commercial feedlots. The results of the BVDV testing surveys, in conjunction with the individual-animal based computerized health records collected at the feedlot, will be used to describe BVDV transmission/infection in pens of commercial feedlot animals.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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".