Total Reports
21
FDA CVM filings
Horse /
FDA CVM · 2025 release 21 reports on file
Welsh Cob - FDA Adverse Event Profile
Adverse-event records for Welsh Cob (Horse) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Welsh Cob's FDA record: #355 most-reported horse breed, 21 total reports, 19.0% death-coded (4 reports).
- #355
- most-reported horse breed
- 19.0%
- death-coded report share
- 3
- Injection site swelling - top reaction
- 14.8 yr
- average age at report
Higher volume usually means a more popular breed, not a riskier one, compare against how common the breed is.
Deaths Reported
4
of 21 reports
Death Rate
19.0%
death-coded share
Avg Age at Report
14.8 yr
357.2 kg avg weight
Death-Coded Outcome Share
Welsh Cob death-coded reports 19.0%
Cross-breed median
19.0% of 21 welsh cob 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 (about 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: 357.2 kg (787.6 lbs)
Top Reported Reactions
Injection site swelling 3
Behavioural disorder NOS 3
INEFFECTIVE, GASTRIC ULCER(S) 2
INEFFECTIVE, ANESTHESIA 2
Death by euthanasia 2
Most Referenced Drugs
Detomidine Hydrochloride 6
Ceftiofur Crystalline Free Acid 4
Ketamine Hydrochloride 2
Midazolam 2
Xylazine 2
Outcome Breakdown
Recovered/Normal
8 (38.1%)
Ongoing
5 (23.8%)
Outcome Unknown
4 (19.0%)
Euthanized
3 (14.3%)
Died
1 (4.8%)
Gender Distribution
Male 12 (57.1%)
Female 8 (38.1%)
Unknown 1 (4.8%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2013 | 2 | |
| 2017 | 3 | |
| 2018 | 1 | |
| 2019 | 2 | |
| 2021 | 2 | |
| 2022 | 3 | |
| 2023 | 2 | |
| 2024 | 2 | |
| 2025 | 4 | |
Welsh Cob Pet Health Insights
Welsh Cob accounts for 21 FDA adverse event reports, ranking #355 by volume among horse breeds, with 4 reports (19.0%) coded as a death outcome. Mean age at report: 14.8 years, average weight 357.2 kg (787.6 lbs).
Top reported signs: Injection site swelling (3), Behavioural disorder NOS (3), INEFFECTIVE, GASTRIC ULCER(S) (2). Most-referenced drug: Detomidine Hydrochloride (6 reports), followed by Ceftiofur Crystalline Free Acid (4) and Ketamine Hydrochloride (2).
Outcome coding on 21 status-recorded reports is dominated by Recovered/Normal (38.1%). Annual submissions ranged 2,013-2,025 across 9 years on file.
Horse Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Welsh Cob? ▼
There are 21 adverse event reports involving Welsh Cob in the FDA database, with 4 reports involving death (19.0% death rate). Welsh Cob ranks #355 by report volume.
What are the most common adverse reactions reported for Welsh Cob? ▼
The most commonly reported adverse reactions for Welsh Cob are Injection site swelling (3 reports), Behavioural disorder NOS (3 reports), INEFFECTIVE, GASTRIC ULCER(S) (2 reports), INEFFECTIVE, ANESTHESIA (2 reports), Death by euthanasia (2 reports).
What drugs are most frequently associated with Welsh Cob adverse events? ▼
The drugs most frequently referenced in Welsh Cob adverse event reports are Detomidine Hydrochloride (6 reports), Ceftiofur Crystalline Free Acid (4 reports), Ketamine Hydrochloride (2 reports), Midazolam (2 reports), Xylazine (2 reports).
What is the average age of Welsh Cob in adverse event reports? ▼
The average age of Welsh Cob at the time of adverse event reports is 14.8 years, with an average weight of 357.2 kg (787.6 lbs).
Does a high number of adverse event reports mean Welsh Cob is unhealthy? ▼
No. FDA adverse event reports are voluntarily submitted and do not prove causation. Popular breeds with more veterinary visits tend to have more reports. The data reflects reporting patterns, not actual incidence rates. Always consult a veterinarian for health decisions.
Where does this Welsh Cob safety data come from? ▼
All data comes from the FDA Center for Veterinary Medicine's adverse event reporting system. Pet owners, veterinarians, and manufacturers voluntarily submit reports about adverse events potentially linked to animal drugs and other products.
Compare a breed's report volume against how common the breed is before drawing conclusions. See our methodology for how death rate and rankings are computed.
Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. Breed figures are computed directly from FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.