To study the effect of konjak residue levels on pellet durability index of duck feed,four kinds of feed were tested for powder ratio and pellet durability index(PDI) with random sampling.

• 为了探索魔芋粉含量对肉中鸭饲料颗粒稳定性的影响,试验设计肉中鸭配合料中4种魔芋粉用量,对4组肉中鸭饲料进行含粉率及颗粒稳定性指数(PDI)的测定。