In chicken eggs during the first week of incubation, the main egg white protein breaks down faster than expected, and new protein groups form—including one that teams up with a molecule that binds RNA—hinting that the egg is preparing for the chick to grow, not just storing food.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Proteomic analysis of egg white proteins during the early phase of embryonic development.

Cross-Sectional Study

Animal

2012 Mar 16

Scientists found that in fertilized chicken eggs, a protein called ovalbumin breaks down faster during the first week, and new protein teams—including one with ovalbumin and a RNA-binding partner—appear and grow, which likely helps the baby chick develop, not just feed it.

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Source Study

Proteomic analysis of egg white proteins during the early phase of embryonic development.

Score: 13

DOI: 10.1016/j.jprot.2011.12.037

Similar Assertions

When chicken eggs start to develop, the white part changes and forms new protein teams that might help the baby chick grow — not because of food, but because these proteins are changing and working together in new ways.

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When a chicken egg is fertilized and starts to grow, something special happens after day 14: a protein called ovalbumin moves from the egg white into the yolk, but this doesn’t happen in unfertilized eggs. It’s like the growing chick is pulling nutrients from the white to help itself grow.

10

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73%

When chicken eggs start to develop, the main protein in the egg white breaks down in a complex way, not just into small pieces, but into special fragments that might help the baby chick grow.

13

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72%

When a chicken egg starts to develop, the proteins inside the egg white change differently depending on whether the egg is fertilized or not — the embryo seems to change how these proteins break down and stick together.

13

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71%