The FDA adverse-event record for sheep

Sheep Adverse Event Insights

The FDA Center for Veterinary Medicine database holds 397 adverse event reports for Sheep, distributed across 24 distinct breeds currently tracked in the system. Of those reports, 205 involved a death outcome, producing a 51.6% case-fatality rate among reported events, which reflects reporting severity bias rather than true population mortality. These figures are aggregated directly from openFDA's Animal & Veterinary Adverse Events endpoint and update as new voluntary submissions flow through pet owners, veterinarians, and drug manufacturers.

The most frequently reported clinical signs for Sheep are Death (156 reports), Lack of efficacy - NOS (30 reports), Lack of efficacy (endoparasite) - roundworm NOS (18 reports), Death by euthanasia (16 reports), with Death leading the reaction traffic at 156 submissions. On the product side, Albendazole is the single most-referenced drug with 66 reports, followed by Moxidectin (40), Ivermectin (34), Monensin Sodium (33). This combination surfaces which therapeutic classes generate the most adverse event chatter for this species, a useful starting point when comparing Sheep reporting patterns against other companion animals in the dataset.

Of the 425 Sheep reports with a coded outcome, Died accounts for the largest share at 45.4%. Annual submission volume spans 2,010 to 2,025 reports across the 16 years on file, a range that reflects evolving owner awareness, veterinary reporting habits, and new product approvals rather than stable underlying incidence. The breed-level table below breaks these patterns down further, showing how the 24 tracked sheep breeds compare on volume, deaths, and average age at report. As with all FDA adverse event data, correlation is the ceiling, causation requires clinical investigation beyond what these aggregates can provide.