- Mexico’s Secretaria de Agricultura y Desarrollo Rural (SADER) approves EXZOLT® 5% Pour-On (fluralaner 50 mg/mL) for the prevention and treatment of New World Screwworm larvae (myiasis)
- Product adds to EXZOLT’s existing indications for cattle fever tick, horn fly, and Dermatobia hominis larvae
- Provides veterinarians and producers with a new systemic tool to protect cattle and support Mexico’s beef industry
- Approval supported by safety and efficacy studies, including local data from CENAPA
Merck Animal Health, known as MSD Animal Health outside the United States and Canada, announced that Mexico’s Secretaria de Agricultura y Desarrollo Rural (SADER) has approved EXZOLT® 5% Pour-On (fluralaner 50 mg/mL) for the prevention and treatment of infestations caused by New World Screwworm (Cochliomyia hominivorax) larvae (myiasis). The pour-on formulation belongs to the isoxazoline class of parasiticides, representing an innovative systemic solution for cattle health.
In addition to this new indication, EXZOLT 5% Pour-On is approved in Mexico for the treatment and control of cattle fever tick (Rhipicephalus microplus), horn fly (Haematobia irritans), and Dermatobia hominis larvae. The newly expanded label provides veterinarians and producers with a versatile parasiticide option to manage multiple economically significant ectoparasites.
“The threat of New World Screwworm is an increasing concern for cattle producers across Mexico, including those located near the border with the United States, and could inflict severe economic losses across the country,” said Rick DeLuca, president, Merck Animal Health. “The approval of EXZOLT 5% Pour-On in Mexico demonstrates our commitment to delivering innovative solutions that address resistance challenges. Veterinarians and cattle producers can now access a powerful new tool to protect cattle from these serious parasites, helping to safeguard the industry’s economic future and Mexico’s beef supply.”
EXZOLT 5% Pour-On delivers the active ingredient fluralaner through the skin to act systemically against parasitic infestations. The approval was based on global and local studies conducted by Merck Animal Health in collaboration with the Centro Nacional de Referencia en Parasitología Animal y Tecnología Analítica (CENAPA).
“The SADER approval for EXZOLT 5% Pour-On represents an important milestone in bringing truly innovative treatments to the market,” said Holger Lehmann, DVM, PhD, vice president, pharmaceutical research & development, Merck Animal Health. “New World Screwworm can significantly affect the welfare of infested animals due to the high morbidity and mortality it can cause. EXZOLT 5% Pour-On, particularly when used as a preventative, will ensure the well-being of cattle at risk of infestations caused by New World Screwworm larvae.”
Merck Animal Health noted that EXZOLT 5% Pour-On is generally well tolerated, with mild, transient local reactions observed in some animals. The company advises consulting a veterinarian if more severe reactions occur. The product’s safety has not been established in animals under four months of age.
Merck Animal Health is pursuing additional regulatory approvals in other countries to expand access to EXZOLT for use against New World Screwworm, supporting global efforts to control infestations and protect livestock welfare.
Source: Merck Animal Health
