ArticleJournal of the American Association for Laboratory Animal Science : JAALAS2025
Evaluation of Sentinel-Free Soiled Bedding as a Replacement for Direct Sampling in PCR Detection of Rodent Pathogens during Quarantine.
Article in Journal of the American Association for Laboratory Animal Science : JAALAS, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Enhancing Rodent Welfare, Cost Savings, and Efficiency: Implementation and Review of Data-Driven Improvements.Journal of the American Association for Laboratory Animal Science : JAALAS · 2026Review
- Evaluation of Direct Colony Sampling Compared with Sentinel-Free Soiled Bedding Testing for Murine Quarantine Programs.Journal of the American Association for Laboratory Animal Science : JAALAS · 2025Article
- A survey on the implementation of environmental health monitoring in mouse facilities in German-speaking countries.PloS one · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Establishing a screening method for rodent pathogens is an integral component of an institution's rodent health surveillance program. Most rodent quarantine programs use direct colony sampling (DCS) from live animals for pathogen PCR testing. DCS may elicit undue stress to the animal and be time consuming, contingent on the number of quarantined animals. Sentinel-free soiled bedding (SFSB) sampling has previously been used to monitor the pathogen status of research rodents. A pilot study was conducted to determine the feasibility of an SFSB-based quarantine by comparing it to DCS for the evaluation of pet shop mice of different age ranges. Enhanced detection by SFSB for the 6- to 10-wk age range supported further investigation. The subsequent main study evaluated whether SFSB sampling is as effective as traditional DCS for detecting rodent pathogens. We hypothesized that SFSB contact media sampling is either equivalent to or more effective than DCS for detecting pathogens in quarantined mice. The study included mice imported from various institutions between October 2023 and August 2024. The DCS and exposed contact media were tested using PCR analyses. The total number of positive agent assay detections by DCS was 157, compared with 173 with the SFSB method. These results suggest that contact media sampling provides equivalent or superior detection of rodent pathogens compared with the DCS method. Although not statistically significant, it was observed that delaying sample submission decreased detection rates for 2 RNA viruses: 80% for murine astrovirus-1 (MuAstV1; 4 out of 5 samples) and 67% for genogroup V norovirus (MNV; 4 out of 6 samples). Immediate submission restored the detection rate to 100% for MuAstV1 and 91% for MNV. To conclude, SFSB rapid submission during quarantine provides a reliable and effective alternative to the traditional DCS method for the detection of rodent pathogens. This nonintrusive methodology mitigates stress during sampling while enhancing the effectiveness and sensitivity of pathogen detection.
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