The most significant types of worms in cattle in Ireland are:

  • Gutworms (Cooperia oncophora, Ostertagia ostertagi)
  • Lungworms (Dictyocaulus viviparous)

General symptoms of worm infections are rough hair coat, diarrhea, emaciation, weight loss, and/or blood loss. External parasites symptoms are hair loss (lice), scabs (mites), lumps on back (grubs), or blood loss (flies, sucking lice and ticks) and weight loss.

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