作者: D. G. Burrin , R. A. Stock , R. A. Britton
关键词:
摘要: Two finishing trials were conducted to measure the response of cattle adjusting high-concentrate diets dietary monensin level. In trial 1, 54 individually fed Hereford-Angus steers (312 kg), previously a two-thirds corn silage: one-third corncob-based diet, allotted in 2 3 factorial arrangement treatment with tylosin (0, 11 mg/kg) and 11, 33 during 28