Total Reports
18
FDA CVM filings
Sheep /
FDA CVM · 2025 release 18 reports on file
Crossbred Ovine/sheep - FDA Adverse Event Profile
Adverse-event records for Crossbred Ovine/sheep (Sheep) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
With 18 reports on file, Crossbred Ovine/sheep sits at #369 among sheep breeds by volume; death-coded share is 50.0% (9 reports).
- #369
- most-reported sheep breed
- 50.0%
- death-coded report share
- 6
- Death - top reaction
- 0.9 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
9
of 18 reports
Death Rate
50.0%
death-coded share
Avg Age at Report
0.9 yr
52.6 kg avg weight
Death-Coded Outcome Share
Crossbred Ovine/sheep death-coded reports 50.0%
Cross-breed median
50.0% of 18 crossbred ovine/sheep 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: 52.6 kg (116.0 lbs)
Top Reported Reactions
Death 6
Hyperextension 5
INEFFECTIVE, ESTRUS INDUCTION 5
Lack of efficacy - NOS 3
Behavioural disorder NOS 2
Most Referenced Drugs
Progesterone 6
Moxidectin 2
Oxytetracycline Hydrochloride 1
Ivermectin 1
Zeranol 1
Outcome Breakdown
Outcome Unknown
11 (55.0%)
Died
9 (45.0%)
Gender Distribution
Female 10 (55.6%)
Mixed 5 (27.8%)
Male 2 (11.1%)
Unknown 1 (5.6%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 2 | |
| 2011 | 1 | |
| 2012 | 1 | |
| 2013 | 4 | |
| 2014 | 2 | |
| 2016 | 3 | |
| 2017 | 1 | |
| 2018 | 1 | |
| 2020 | 1 | |
| 2021 | 1 | |
| 2024 | 1 | |
Crossbred Ovine/sheep Pet Health Insights
Crossbred Ovine/sheep accounts for 18 FDA adverse event reports, ranking #369 by volume among sheep breeds, with 9 reports (50.0%) coded as a death outcome. Mean age at report: 0.9 years, average weight 52.6 kg (116.0 lbs).
Top reported signs: Death (6), Hyperextension (5), INEFFECTIVE, ESTRUS INDUCTION (5). Most-referenced drug: Progesterone (6 reports), followed by Moxidectin (2) and Oxytetracycline Hydrochloride (1).
Outcome coding on 20 status-recorded reports is dominated by Outcome Unknown (55.0%). Annual submissions ranged 2,010-2,024 across 11 years on file.
Sheep Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Crossbred Ovine/sheep? ▼
There are 18 adverse event reports involving Crossbred Ovine/sheep in the FDA database, with 9 reports involving death (50.0% death rate). Crossbred Ovine/sheep ranks #369 by report volume.
What are the most common adverse reactions reported for Crossbred Ovine/sheep? ▼
The most commonly reported adverse reactions for Crossbred Ovine/sheep are Death (6 reports), Hyperextension (5 reports), INEFFECTIVE, ESTRUS INDUCTION (5 reports), Lack of efficacy - NOS (3 reports), Behavioural disorder NOS (2 reports).
What drugs are most frequently associated with Crossbred Ovine/sheep adverse events? ▼
The drugs most frequently referenced in Crossbred Ovine/sheep adverse event reports are Progesterone (6 reports), Moxidectin (2 reports), Oxytetracycline Hydrochloride (1 reports), Ivermectin (1 reports), Zeranol (1 reports).
What is the average age of Crossbred Ovine/sheep in adverse event reports? ▼
The average age of Crossbred Ovine/sheep at the time of adverse event reports is 0.9 years, with an average weight of 52.6 kg (116.0 lbs).
Does a high number of adverse event reports mean Crossbred Ovine/sheep 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 Crossbred Ovine/sheep 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.