Merck Animal Health’s Exzolt Cattle-CA1 Receives the US FDA Conditional Approval Against New World Screwworm and Cattle Fever Tick

Shots: The US FDA has granted conditional approval to Exzolt Cattle-CA1 to prevent & treat New World screwworm (Cochliomyia hominivorax) larvae (myiasis) & cattle fever tick (Rhipicephalus microplus) Exzolt Cattle-CA1, a systemic fluralaner pour-on available in 1L & 5L presentations, is approved for use in beef cattle (≥2mos.) & replacement dairy heifers (<20mos.), with US availability…

ByRidhi RastogiDecember 5, 2025

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Merck Animal Health Reports the US FDA’s Approval of Exzolt for Northern Fowl Mites

Shots: The US FDA has approved Exzolt (fluralaner oral solution) to treat & control northern fowl mites (Ornithinyssus sylviarum) in chickens Exzolt is a parasiticide that targets the nervous system of northern fowl mites, killing those that ingest a blood meal, while remaining safe for laying hens & replacement chickens Exzolt, available in 1L &…

ByRidhi RastogiJuly 21, 2025

Merck Animal Health’s Exzolt Cattle-CA1 Receives the US FDA Conditional Approval Against New World Screwworm and Cattle Fever Tick

Merck Animal Health Reports the US FDA’s Approval of Exzolt for Northern Fowl Mites

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