Strangles is an extremely contagious and sometimes deadly disease of the Equidae.

We thus see that the Equidae differ very widely in structure from most other mammals.

Strangles is an infectious disease caused by Streptococcus equi subspecies equi that affects the upper respiratory tract of the Equidae.

Streptococcus equi subspecies equi affects animals of Equidae family and is the causative agent of strangles, an acute, extremely contagious and deadly disease.

The New Yorker, February 27, 1937 P. 76 Recent instances of extraordinary consideration and attention shown to members of the Family Equidae.