Archive for Jumat, 29 Mei 2009

Hatching Egg Breakout: Is it Fertile?

Jumat, 29 Mei 2009 4 komentar

The following can be used as a guide in determining whether eggs are fertile, infertile, or if early embryonic death has occurred. In using this guide remember that the descriptions and diagrams are of ‘typical” infertile germinal discs, and fertile and early dead embryos. However, their appearance may vary from egg to egg, and may not look exactly as shown and described. It will take some practice and experience to become comfortable with distinguishing between infertile and fertile eggs. The following information is simply a guide.

The germinal disc is the area of the egg where sperm enter into the egg (Figure 1). This is the area of the egg which will form the embryo. The disc is 2-3 mm in diameter.

Figure 1. Structure of the egg.

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