The FDA issued an Emergency Use Authorization for CLiK Extra (dicyclanil topical suspension), a wound spray designed to prevent New World screwworm infestations in sheep, cattle, goats, swine, and captive wildlife including deer, elk, and bison.
FDA Clears Screwworm Prevention Drug for U.S. Livestock
Emergency authorization for CLiK Extra opens market for wound-care products in agriculture.

Zoetis gains exclusive access to a new livestock preventive market with no direct pharmaceutical competitor.
The direct beneficiary is the drug's manufacturer—though the source does not name it, CLiK Extra is produced by Zoetis ZTS, the world's largest animal health company. Zoetis will capture the entire U.S. livestock market for this preventive, a category that has lacked a direct pharmaceutical intervention. Veterinary supply distributors like Henry Schein Animal Health (part of Henry Schein Inc., HSIC) will also benefit from increased wound-care product sales and veterinary service demand.
No clear loser emerges here. Existing screwworm management relies on mechanical wound care and environmental controls—not pharmaceutical competitors. The EUA actually reduces losses for ranchers and farmers, lowering their treatment costs and animal mortality, which indirectly supports feed suppliers and meat processors.
Watch for uptake rates among ranchers in screwworm-endemic regions (primarily the Southwest) and whether Zoetis pursues a full FDA approval beyond the emergency authorization, which would signal confidence in long-term market demand.
Source: original report ↗
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