Supplementary Sequencing Data for Fresh Milk Timepoint Study
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Raw bovine milk hosts a diverse microbiota that profoundly influences dairy product quality, safety, and shelf-life. However, current surveillance methods are time-intensive and often lack the taxonomic resolution needed for effective risk mitigation. To address this, we developed NOMAD (Nanopore-based On-site Microbiome Analysis of Diversity), a field-deployable workflow for rapid, high-resolution characterization of the raw milk microbiome using full-length 16S rRNA gene sequencing via Oxford Nanopore Technologies. Milk samples collected from a commercial dairy operation were processed using eight DNA extraction protocols, with Method 4—incorporating EDTA and TE buffer—emerging as the optimal approach for microbial richness and DNA yield. Sequencing was performed on a MinION Mk1B platform, and bioinformatic analyses revealed that a 4-hour run was sufficient to recover >90% of total community richness, with stable alpha and beta diversity metrics by this timepoint. The complete workflow, including DNA extraction, library preparation, sequencing, and analysis, was completed in 10.5 hours, enabling same-day microbiome profiling in farm-adjacent settings. Comparative analysis showed strong agreement with established milk microbiome studies, while full-length reads enhanced resolution of spoilage-associated taxa such as Pseudomonas spp. and Streptococcus spp. The NOMAD platform offers a powerful and practical tool for near real-time microbiological surveillance in the dairy industry, supporting proactive quality control and improved food safety outcomes.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.003 | 0.004 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.024 | 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