External parasites, also known as ectoparasites, live on and feed off their host animal and can cause an animal stress, production losses, irritation, and injury. 20 авг. 2020 г.
What is external parasite in science?
Ectoparasites are parasites that live on the external surface of hosts, for example fleas and lice of various terrestrial vertebrates, and Monogenea and Copepoda of freshwater and marine fishes. From: Encyclopedia of Biodiversity, 2001.
What are external and internal parasites?
Internal parasites, such as roundworms and coccidia, live inside the gastro-intestinal tract whereas external parasites, such as lice and flies live on, or around, the animal.
What are the internal and external parasites give an example of each?
Answer: Internal parasites are inside the host, external parasites are out on its surface. Eg, Tapeworm, Hookworm; and Leech, and Ticks, respectively. External parasites are almost always blood feeders, drawing on the host's blood to survive.
How do external parasites cause disease?
Ruminants can be infected by several parasites of the skin (external parasites) which feed on the animal's skin and blood. The parasites cause disease, loss of weight, and can lead to death of the animal. The parasites can also carry other infections and spread diseases from one animal to another.
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