B. Anders Nyquist and Harriet Nyquist v. Dale Randall, Donald Berry, Janet Melear, Etc.

ESCHBACH, Senior Circuit Judge:

This diversity case arises out of a transaction in which a Wisconsin dairy ranch sold dairy cattle to Florida investors for lease to a Florida dairy farmer. The deal, for want of a better term, went sour. From a verdict for the investor plaintiffs, the defendant seller appeals, contending that the trial court’s failure to give a jury instruction regarding “cover” was error, and that the instructions on the breach of warranty claim were in error because they did not require plaintiff to prove “substantial” non-conformity of the cattle to the agreement as a…