Sentence:  As an aid in reducing incidence and severity of bloat , provide 75 milligrams of <WSD>oxytetracycline</WSD> hydrochloride per animal daily . 
Meaning of the word marked with <WSD> tags:  a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections