(Dictyocaulus arnfieldi)
Lungworm
Lungworm are primarily found in donkeys. Horses are typically only infected if grazed alongside donkeys, and infections in horses rarely result in the development of egg producing adults.
Size/appearance
Lungworms are slender thread-like worms and up to 8cm in length.
Location in horse
Lungs of donkeys and horses.
Symptoms
Symptoms include a persistent cough and increased respiratory rate. May lead to secondary pneumonia.