Total Reports
7
FDA CVM filings
Sheep /
FDA CVM · 2025 release 7 reports on file
Southdown - FDA Adverse Event Profile
Adverse-event records for Southdown (Sheep) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
With 7 reports on file, Southdown sits at #455 among sheep breeds by volume; death-coded share is 28.6% (2 reports).
- #455
- most-reported sheep breed
- 28.6%
- death-coded report share
- 3
- INEFFECTIVE, ESTRUS INDUCTION - top reaction
- 1.3 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
2
of 7 reports
Death Rate
28.6%
death-coded share
Avg Age at Report
1.3 yr
41.6 kg avg weight
Death-Coded Outcome Share
Southdown death-coded reports 28.6%
Cross-breed median
28.6% of 7 southdown 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: 41.6 kg (91.7 lbs)
Top Reported Reactions
INEFFECTIVE, ESTRUS INDUCTION 3
Hyperextension 2
Death 2
Pain NOS 1
Fever 1
Most Referenced Drugs
Progesterone 3
Moxidectin 1
Levamisole 1
Florfenicol/Flunixin Inj-Triac 1
Monensin Sodium 1
Outcome Breakdown
Outcome Unknown
3 (42.9%)
Died
2 (28.6%)
Recovered/Normal
1 (14.3%)
Ongoing
1 (14.3%)
Gender Distribution
Female 6 (85.7%)
Mixed 1 (14.3%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2011 | 1 | |
| 2012 | 1 | |
| 2016 | 2 | |
| 2021 | 1 | |
| 2022 | 2 | |
Southdown Pet Health Insights
Southdown accounts for 7 FDA adverse event reports, ranking #455 by volume among sheep breeds, with 2 reports (28.6%) coded as a death outcome. Mean age at report: 1.3 years, average weight 41.6 kg (91.7 lbs).
Top reported signs: INEFFECTIVE, ESTRUS INDUCTION (3), Hyperextension (2), Death (2). Most-referenced drug: Progesterone (3 reports), followed by Moxidectin (1) and Levamisole (1).
Outcome coding on 7 status-recorded reports is dominated by Outcome Unknown (42.9%). Annual submissions ranged 2,011-2,022 across 5 years on file.
Sheep Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Southdown? ▼
There are 7 adverse event reports involving Southdown in the FDA database, with 2 reports involving death (28.6% death rate). Southdown ranks #455 by report volume.
What are the most common adverse reactions reported for Southdown? ▼
The most commonly reported adverse reactions for Southdown are INEFFECTIVE, ESTRUS INDUCTION (3 reports), Hyperextension (2 reports), Death (2 reports), Pain NOS (1 reports), Fever (1 reports).
What drugs are most frequently associated with Southdown adverse events? ▼
The drugs most frequently referenced in Southdown adverse event reports are Progesterone (3 reports), Moxidectin (1 reports), Levamisole (1 reports), Florfenicol/Flunixin Inj-Triac (1 reports), Monensin Sodium (1 reports).
What is the average age of Southdown in adverse event reports? ▼
The average age of Southdown at the time of adverse event reports is 1.3 years, with an average weight of 41.6 kg (91.7 lbs).
Does a high number of adverse event reports mean Southdown 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 Southdown 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.