The FDA has approved Merck Animal Health’s EXZOLT™ (fluralaner oral solution), a parasiticide for chickens that treats and controls northern fowl mites (Ornithinyssus sylviarum) in production houses.
Safe for laying hens and replacement chickens EXZOLT™ is a first-of-its-kind product which can be administered in drinking water.
Source: FEEDSTUFFS, July 18, 2025. Link.