The Court concluded in this case that the plaintiff spent less on chicken feed because of his activities. In Lopez, the Court opined that this case was "perhaps the most far-reaching" of commerce clause cases. For 10 points, 
The Court concluded in this case that the plaintiff spent less on chicken feed because of his activities. In Lopez, the Court opined that this case was "perhaps the most far-reaching" of commerce clause cases. For 10 points, name this case in which the Agricultural Adjustment Act's application to wheat produced solely for private use was held to be constitutional under the commerce clause because the aggregate effect of such use would defeat the statutory purpose.
The Court concluded in this case that the plaintiff spent less on chicken feed because of his activities.
Wickard v. Filburn [accept either name]