Calves under one year of age are more susceptible than older cattle. Older cattle frequently have been exposed to the parasites and developed a degree of immunity. Adult worms in the gut of cattle ...

Cattle and hogs higher early Monday ... Instead the market latched on to the weekend headline about New World Screw worm detected in a Mexican cow and border restrictions that followed.

Since cattle imports were cut off, Texas Commissioner Sid Miller and some ranchers worry about the ban’s economic impact on ...

Update: ABC-7 was able to speak with Alvaro Bustillos, the chair of the board of the Chihuahua Cattleman's Association. He is ...

A recent discovery of screwworms on cattle in Chiapas, Mexico has prompted officials to warn Texans about the potential ...

Mexico made a first shipment of sterile parasitic flies to Uruguay to help combat the cattle “screw worm” or Cochliomyia hominivorax, an insect whose larvae or maggots eat living tissue ...

Housed cattle are no longer grazing and so are unable to acquire any new parasitic burden. A comprehensive approach to worming, fluke and lice treatments is important to maximise growth rates ...