although advantages of creep feeding can be maintained right up to two years of age. Creep-fed heifers wintered to gain 113g a day maintained 70% of their creep advantage by the end of the winter.
creep feeding教槽料饲喂，creep教槽料，俗称补料或者开口料，是指动物幼崽出生7天后到断奶后7~10天内使用的特殊饲料。