Definition: An important genus of sucking lice (family Haematopinidae) affecting swine and other domestic and wild animals; it is normally nonpathogenic. Haematopinus asini affects horses, mules, and asses; Haematopinus eurysternus and Haematopinus quadripertusus, cattle; and Haematopinus suis, swine.
[G. haima, blood, + L. pinus, pine tree]
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Examples: glitazone, GI cocktail, etc.