Warning letter
Ridley USA Inc.: warning letter of Apr 3, 2026
FDA warning letter 720800 · Center for Veterinary Medicine
Key facts
| Reference number | 720800 |
|---|---|
| Company | Ridley USA Inc. |
| Subject | CGMP/Medicated Feeds/Adulterated |
| Issue date | Apr 3, 2026 |
| Posted date | May 12, 2026 |
| Issuing office | Center for Veterinary Medicine |
| Product type | Veterinary |
| CFR sections cited | 225.42(b)(6), 225, 225.1(b)(1), 225.42(b)(4), 225.42(b)(7), 507, 507.1(a)(1)(ii), 507.33(c)(1), 507.47, 558.6, 558.128 |
| Inspection city | Iowa City |
| Inspection ZIP | 52246 |
| Inspection start date | Sep 2, 2025 |
| Letter on fda.gov | fda.gov |
At a glance
- 10–99 CFR sections cited
- OAI Linked inspection classification
- Yes Form FDA 483 issued
Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.
About FDA warning letters
FDA warning letters notify a firm of significant regulatory violations found during an inspection or review and request prompt corrective action.
Source: U.S. Food and Drug Administration (FDA), Warning Letters · Source date: