passages.id: split_1_test_1819_passage
passages.type: progene_text
passages.text: Calves received the following treatments in a randomized crossover design : milk replacer ( 60 ml / kg of body weight , q 12 h [ untreated control calves ] ) , milk replacer and cimetidine ( 50 or 100 mg / kg , q 8 h ) , or milk replacer and ranitidine ( 10 or 50 mg / kg , q 8 h ) .