卵黄

Of yolk (13%-88%) of pigeon eggs were replaced by yolk of Rhode Island Red, local black hen or South China Duck, the hatchability was about 60%.

三如果实验鸽亲本是同色纯种，调换卵黄对于羽色没有产生明显的变异；如果亲本不是同色，多数经调换蛋黄的幼鸽羽色较对照的显得深些。

The story begins in 1952, when the International Council of Scientific Unions decided to establish July 1, 1957, to December 31, 1958, as the International Geophysical Year because the scientists knew that the cycles of solar activity would be at a high point then.

故事开始于1952年，当时国际科学联合会理事会，决定建立1957年7月1日至1958年12月31日，作为国际地球物理年，因为科学家们知道周期的太阳活动将在高然后点。1954年10月，安理会通过了一项决议，要求人工卫星发射期间卵黄绘制地球表面。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。