passages.id: split_8_test_167_passage
passages.type: progene_text
passages.text: For trial 1 , the sheep were treated with zileuton ( 10 mg / kg in 0.1 % methylcellulose , p.o. ) once a day for 4 days ; for trials 2 , the sheep were treated with zileuton ( 10 mg / kg , p.o. ) for 2 days ; and , for trial 3 , the animals were treated with vehicle ( 0.1 % methylcellulose ) for 4 days as in trial 1 .