As a stored protein vitellin is a major protein component accumulated in vitellus granules during the formation of ovotids . The protein plays an important role in the development of embryos .

卵黄磷蛋白作为一种蛋白贮藏物，是卵细胞形成期间积累在 卵黄颗粒中的一种主要蛋白组份，它在胚胎发育中起着重要的作用。

Ingredients : high-quality flour vegetable oil grape egg vitellus white granulated sugar Glucose syrup .

产品 说明 ：料：高级面粉，植物油，葡萄，鸡蛋， 蛋黄，白砂糖，葡萄糖浆。

The methionine level in vitellus capsule plasma and liver could not be effected by methionine level in the diet during 1 to 7 day-old .

1～7日龄期间，雏鸡的 卵黄囊、血浆和肝脏中的蛋氨酸含量不受日粮中蛋氨酸水平的影响；