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 ...

The four most concerning female parasites lay eggs at different rates. For instance, a female brown stomach worm will lay about 200 eggs per day, while a female barber pole worm can lay 10,000 eggs a ...

After plucking the wriggling worm from her peeper, Beckley sought medical attention and was diagnosed with the first documented human infection of a parasite normally found in cattle. The case was ...

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 ...