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Breed profile · FDA CVM July 2026 extract

Mouse (unknown) adverse-event record

Adverse-event filings for Mouse (unknown) (Mouse) in the FDA Center for Veterinary Medicine openFDA extract. Browse mouse breeds, reactions, and outcomes below.

#288 of 510
by report volume (all breeds)
42
FDA CVM reports on file
61.9%
death-coded share of reports
23
Death - top reaction

How the 42 reports break down

By recorded gender -- every report on file for Mouse (unknown), no filtering.

Annual report volume

Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 4 3 2 1 0 2016 2017 2019 2020 2021 2022 2023 2024 Reports filed Death-coded reports
Annual report volume for Mouse (unknown) drawn from FDA CVM filings.

Data updated September 2026

The verdict

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Mouse (unknown) ranks #286 of 510 by total reports (42). Death-coded-share rank requires at least 50 reports. National dual: Retriever - Labrador is #1 of 510 by total adverse-event reports (93,675) at death-coded-share rank 195 of 275 breeds with at least 50 reports (3.7%); separately, Atlantic Salmon (Salmo salar) is #1 highest death-coded share at 99.0% (report rank #233).

93,675
Retriever - Labrador reports (#1)
99.0%
Atlantic Salmon (Salmo salar) death share (#1)
#286
This breed, reports of 510

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Mouse (unknown) has 42 reports now versus 42 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
−0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Mouse (unknown) changes

Total Reports

42

Below-median volume

Deaths Reported

26

of 42 reports

Death-coded share of reports

61.9%

61.9% death-coded

Avg Age at Report

0.3 yr

0.0 kg avg weight

Death-Coded Outcome Share

Mouse (unknown) death-coded reports 61.9%
Cross-breed median

61.9% of 42 mouse (unknown) reports involved a death outcome.

How to read this number

Read alongside breed popularity, veterinary access, and owner awareness, these shape how many events ever reach the FDA. The comparison line marks the cross-breed median death-coded share (4.8%) among breeds with 50 or more reports; values above it suggest higher reporting bias toward severe outcomes, not necessarily higher true mortality.

Average weight at time of report: 0.0 kg (0.0 lbs)

Top Reported Reactions

Death 23
INEFFECTIVE, ANESTHESIA 11
Apnoea 4
Death by euthanasia 4
Abnormal breathing 3

Most Referenced Drugs

Ketamine Hydrochloride 17
Isoflurane 9
Buprenorphine 6
Xylazine 5
Meloxicam 4

Outcome Breakdown

Died
24 (66.7%)
Recovered/Normal
5 (13.9%)
Euthanized
4 (11.1%)
Outcome Unknown
2 (5.6%)
Ongoing
1 (2.8%)

Gender Distribution

Unknown 18 (42.9%)
Mixed 17 (40.5%)
Male 4 (9.5%)
Female 3 (7.1%)

Reports by Year

Year Reports Trend
2010 20
2011 2
2012 2
2013 3
2014 2
2016 1
2017 1
2019 4
2020 1
2021 1
2022 1
2023 1
2024 3

Mouse (unknown): high death-coded share in the FDA CVM extract

Signature read: Mouse (unknown)'s 61.9% death-coded share is in the upper third of the ≥50-report cohort (median 4.8%). According to FDA CVM filings indexed on PlainBreed as of July 2026 extract, Mouse (unknown) sits at #288 of 510 by report volume among all breeds and #1 of 4 among mouse breeds, with 42 reports and 26 (61.9%) death-coded. Mean age at report: 0.3 years, average weight 0.0 kg (0.0 lbs).

Top reported signs: Death (23), INEFFECTIVE, ANESTHESIA (11), Apnoea (4). Most-referenced drug: Ketamine Hydrochloride (17 reports), followed by Isoflurane (9) and Buprenorphine (6).

Outcome coding on 36 status-recorded reports is dominated by Died (66.7%). Annual submissions ranged 1-2,024 across 13 years on file.

Mouse Breeds With a Similar Report Volume

What to do with this mouse

A report does not prove a drug caused the reaction, and popular breeds simply generate more reports.

Frequently Asked Questions

How many FDA adverse event reports involve Mouse (unknown)?
There are 42 adverse event reports involving Mouse (unknown) in the FDA database, of which 26 were death-coded (61.9% of those reports). That is a share of REPORTED events, not a mortality rate for the breed: adverse events reach the FDA when something goes wrong, so the denominator is reports, never the population of animals. According to the same FDA CVM extract, Mouse (unknown) ranks #288 of 510 by report volume among all breeds PlainBreed indexes (#1 of 4 among mouse breeds).
Where does Mouse (unknown) sit among other breeds in PlainBreed's corpus?
According to FDA CVM report volume, Mouse (unknown) is #288 of 510 breeds indexed on PlainBreed (same ordering as the most-reported-breeds ranking). Inside Mouse, it is #1 of 4. It has fewer than 50 reports, so it is outside the death-rate ranking cohort (≥50 reports). These are placement ranks in the reporting corpus, not clinical risk scores.
What are the most common adverse reactions reported for Mouse (unknown)?
The most commonly reported adverse reactions for Mouse (unknown) are Death (23 reports), INEFFECTIVE, ANESTHESIA (11 reports), Apnoea (4 reports), Death by euthanasia (4 reports), Abnormal breathing (3 reports).
What drugs are most frequently associated with Mouse (unknown) adverse events?
The drugs most frequently referenced in Mouse (unknown) adverse event reports are Ketamine Hydrochloride (17 reports), Isoflurane (9 reports), Buprenorphine (6 reports), Xylazine (5 reports), Meloxicam (4 reports).
What is the average age of Mouse (unknown) in adverse event reports?
The average age of Mouse (unknown) at the time of adverse event reports is 0.3 years, with an average weight of 0.0 kg (0.0 lbs).

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Mouse (unknown) (Mouse), extract as of July 2026 extract. 42 reports · 26 death-coded (61.9% of reports, not a mortality rate) · #288 of 510 by volume.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →