text_1: 因此 , 喂养 加奶 速度 试验 ( Speed of Increasing Milk Feeds Trial , SIFT ) 比较 了 每日 较快 加奶 速度 ( 30 mL / kg ) 和 较慢 加奶 速度 ( 18 mL / kg ) .
  
text_2: the Speed of Increasing Milk Feeds Trial ( SIFT ) therefore compared faster ( 30 ml per kilogram ) with slower ( 18 ml per kilogram ) daily increments in milk feeding volumes .
  