vitellus-
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。
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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；
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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。