noun Veterinary Pathology.
any of several tick-borne diseases of cattle, dogs, horses, sheep, and swine, caused by a babesia protozoan and characterized by fever and languor.
Also, babesiasis [bab-i-sahy-uh-sis, -zahy-, bey-buh-] .
Also called piroplasmosis.
Compare tick fever.

1910–15; < Neo-Latin; see babesia, -osis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
babesiosis (bəˌbiːzɪˈəʊsɪs)
vet science a tick-borne disease of domesticated and wild mammals as well as humans, caused by a protozoan of the genera Babesia and characterized by fever, anaemia, jaundice, and in severe cases leading to death

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

babesiosis ba·be·si·o·sis (bə-bē'zē-ō'sĭs) or bab·e·si·a·sis (bāb'ĭ-zī'ə-sĭs)
A human protozoan disease of the red blood cells caused by infection with a species of Babesia that is transmitted by ticks and characterized by fever, malaise, and hemolytic anemia. Also called piroplasmosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica


any of a group of tick-borne diseases of animals caused by species of Babesia, protozoans that destroy red blood cells and thereby cause anemia. Cattle tick fever, from B. bigemina, occurs in cattle, buffalo, and zebu. Other Babesia species attack cattle, sheep, goats, horses, donkeys, swine, and dogs. Wild animals such as deer, wolves, foxes, wildcats, and pumas are susceptible to infections from certain Babesia species

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Babesiosis is caused by a parasite that infects red blood cells.
The babesiosis agent is transmitted only by infected blacklegged ticks.
Veterinary treatment of babesiosis does not normally use antibiotics.
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