1·Ergocalciferol at high levels also is toxic to chickness.
高水平的麦角钙化醇对鸡也是有毒害的。
2·During the UK winter, vitamin D from foods fortified with the vegan form (ergocalciferol, D2) can help to compensate for limited light exposure.
英国的冬季，强化食品中的纯素维生素D（钙化醇，维生素D2）可以帮助弥补有限的日晒。