Bibliographic record
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) has been demonstrated serologically as early as 1979 in Canada, in the 1980's in other regions of North America, Europe and east Asia, in China in the mid-1990's and in Thailand in 1989 (Thanawongnuwech et al., 2004).PRRSV belongs to the family Arteriviridae, genus Arterivirus, generally divided into two major genotypes, European (EU or Type I) and North America (NA or Type II) and continues to be an economically significant swine disease particularly called porcine respiratory disease complex (PRDC) characterized by slow growth, decreased feed efficiency, anorexia, fever, cough and dyspnea in weaning to finishing pigs.Reproductive failures in sows and temporary infertility in boars are also prominent in naïve breeders.PRRSV antigenic and genetic heterogeneities as well as quasispecies evolution are documented (Goldberg et al., 2003;Schommer and Kleiboeker, 2006).In addition, co-existence of the two genotypes or more than one strains become potentially problematic since cross-protection among strains does not exist (Thanawongnuwech et al., 2004).Evidently, recombination between the Chinese modified live virus (MLV) vaccine and a local strain was demonstrated in the field when the MLV vaccine was heavily implemented during the PRRSV epidemic in China (Li et al., 2009).Additional information from the Chulalongkorn University-Veterinary Diagnostic Laboratory (CU-VDL) indicates increasing evidence of mixed infections among PRRSV strains within the same herd, causing difficulty for the control strategies either using vaccines or management strategies.
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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 | 0.001 | 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 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".