Two cows. Same University of Wyoming McGuire Ranch pasture northeast of Laramie near Sybille Canyon.
One cow has 383 horn flies sucking her blood; the other cow has four.
Why that remarkable difference?
A Cody High School graduate turned veterinarian, turned Army major, and now a Ph.D. student at UW, Craig Calkins is helping UW Extension range specialist Derek Scasta unravel the mystery of a pestilence that costs the livestock industry billions of dollars in losses.
Continue reading at University of Wyoming.
Image via Derek Scasta.