As spring is on the horizon and you draft the next cropping rotation, are you considering what the cows need? We often focus on growing crops to maximize tonnage, and we figure out how to deal with the feed once it is in the bunk.

According to Dr. Jeremy Schefers of the University of Minnesota Veterinary Diagnostic Laboratory, the rising levels of copper concentration in liver samples of dairy cattle received at the diagnostic lab remains a practical concern. The reason for the concern is the common usage of copper sulfate in footbaths on many dairy farms for the control of digital dermatitis.