1.甜菜碱美国在鱼饲料中添加0.5％～1.5％的甜菜碱作为诱食剂。结果证明对所有鱼类均有强烈的引诱力,可提高幼鱼放养的适应性和成活率。 2.甲状腺素新加坡科研人员,在每千克鱼饲料中添加0.01毫克的甲状腺素,喂鲤仔鱼。结果表明,可明显增加其食欲,提高成活率和生长速度等。 3.维生素C丹麦科研人员在鱼饲料中添加维生素C,发现可明显提高饲料利用率,防止鱼类维生索 1. Betaine US Add 0.5% -1.5% betaine to fish feed as attractant. The results demonstrated strong seduction for all fishes and improved the adaptability and survival rate of larval stocking. 2. Thyroxine Singapore researchers, add 0.01 mg of thyroxine per kilogram of fish feed, feed carp larvae. The results show that it can significantly increase their appetite and improve the survival rate and growth rate. 3. Vitamin C Danish researchers add vitamin C in fish feed, found that can significantly improve feed utilization, to prevent fish vitamins