Sentence:  For the prevention or treatment of the early stages of <WSD>shipping</WSD> fever complex , increase feeding level to 0.5 to 2 grams per head per day . 
Meaning of the word marked with <WSD> tags:  a deadly form of septicemia in cattle and sheep; involves high fever and pneumonia; contracted under conditions of exposure or exhaustion (as often happens when the animals are shipped to market)