Parasites

Question 1

What are ectoparasites and examples of them?

Answer 1

• Ectoparasites are parasites that live on the outer surface of the body
  Examples:
• Equine: mites, lice, flies and midges. - Small animals: fleas, flies, lice, mites and ticks

Question 2

What are endoparasites and examples of them?

Answer 2

• Endoparasites are parasites that live within the body of a host
  Examples:
• Equine: nematodes, cestodes, trematodes and bots
• Small animals: nematodes and cestodes

Question 3

What is the life cycle of a nematode?

Answer 3

• Eggs on grass
• Horse eats grass
• The eggs hatch in the gut
• Larvae mature into adult worms
• Mature worms lay eggs

Question 4

What is the life cycle of a cestode?

Answer 4

• Segments passed in faeces
• Eggs released from the segment into the environment
• Eggs eaten by intermediate host
• Immature tapeworm develops n the intermediate host
• Intermediate host ingested by final host
• Scolex attaches to the intestinal wall
• Adult tapeworm in small intestines of final host