Kopplin v. Quade

There once was a bovine ecstatic,
Who stooped to a deed morganatic.
This Holstein did breed
With trespassing seed,
For a measure of harm problematic.

Compare Kopplin v. Quade, 130 N.W. 511 (Wis. 1911), with Hall v. Umiker, 209 N.W.2d 361 (S.D.1973)
(discussing measure of damages for permitting trespassing animal to impregnate purebred cattle of different breed).