botts

These larvæ are also found in the stomachs of horses, whom they sometimes destroy; another species of them adhere to the anus of horses, and creep into the lowest bowel, and are called botts; and another species enters the frontal sinus of sheep, occasioning a vertigo called the turn.

The Temple of Nature; or, the Origin of Society A Poem, with Philosophical Notes Erasmus Darwin 1766

He even has a special name for fuzz balls: boo botts.

Jenni Schaefer: Fuzz Balls: Gratitude in Everyday Life 2009

As part of this discussion on the TALO list, botts came up with a great fear list:

Archive 2006-07-01 Bill Kerr 2006

As part of this discussion on the TALO list, botts came up with a great fear list:

technological change and systemic change Bill Kerr 2006

But these are the words they use to charm away the botts in horses.

The American Missionary — Volume 43, No. 06, June, 1889 Various

"He's got the botts -- drench him for the botts," another prescribed.

Trail's End George W. Ogden

This remedy is perfectly safe, and is the only certain cure for botts under the sun.

Young's Demonstrative Translation of Scientific Secrets Daniel Young

Yes! gentlemen, "addressing the attentive cowboys," I can cure anything that touches the ground -- biped, quadruped, or centipede -- glanders, botts, greased hoofs, heaves, blind staggers, it makes no odds.

Jim Cummings Or, The Great Adams Express Robbery A. Frank [pseud.] Pinkerton

The moment the glass touches the botts though they may have eaten their way into the coats of the stomach, so that but a small portion is exposed, they will let go their hold, will pucker up and be driven off by the bowels.

Young's Demonstrative Translation of Scientific Secrets Daniel Young

This may be relied on as a certain and safe remedy for botts in horses.

Young's Demonstrative Translation of Scientific Secrets Daniel Young