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.