bastard strangles

noun1

1. •
   A form of strangles, a bacterial upper respiratory tract infection of horses potentially causing airway obstruction, that has spread to other parts of the body and caused abscesses.

   • When horses have either the real or bastard strangles, or are changing their foal teeth, or are putting out their upper tushes, some of them have their sight weak and troubled, [...] — 1735