A total of 720 Lohman brown parent-breeding layers were randomly divided into 4 dietary treatments .The basal diet were supplemented 0.05% terramycin,0.1% and 0.2% compound probiotics,respectively.是什么意思_A total of 720 Lohman brown parent-breeding layers were randomly divided into 4 dietary treatments .The basal diet were supplemented 0.05% terramycin,0.1% and 0.2% compound probiotics,respectively.在线翻译_英语_读音_用法_例句