Credelio Quattro (Elanco) was previously approved by the FDA for treatment of infestation for 6 other parasites in dogs.

On Dec. 3, 2025, the Texas Department of Agriculture reported in a press release that the U.S. Department of Agriculture had notified them of a new detection of the New World Screwworm (NWS) in ...

CA1, Zoetis’ Dectomax-CA1 receive conditional FDA approval to treat and prevent New World screwworm in beef cattle.

California researchers are preparing for the possible return of the New World screwworm, a parasitic fly that feeds on living ...

Texas Agriculture Commissioner unites Latin American officials to combat New World screwworm through cross-border ...

Multi-agency response team provides updates on One Health approach to New World screwworm; biosecurity and sterile fly ...

Elanco Animal Health Incorporated (NYSE: ELAN) today announced it has received conditional approval from the U.S. Food and Drug Administration (FDA) for Credelio Quattro™-CA1 (lotilaner, moxidectin, ...

The U.S. government says a preventative drug is effective in treating New World screwworm infestations in cats, particularly those living on the border.

Merck Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA, on Dec. 4 announced the Food and Drug Administration ...

Are Texas gangs and organized crime groups now operating under the direction of Mexican cartels? One Texas lawman says ...

The United States has paused those exports intermittently over the past year to protect its cattle herds from the New World ...

The flesh-eating fly larvae, which have been detected in Mexico, were declared eradicated from Texas in the 1960s.