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Egg Quality Assessment Standards

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Questions and Answers

How can the consumer assess the freshness of an egg using a bowl of salt water?

The egg stands up in the water with the rounded end upwards. (correct)

The egg sinks halfway into the water.

The egg floats on the surface of the water.

The egg remains on the bottom.

What is the result of candling a fresh egg?

The yolk is dimly visible and does not move much. (correct)

The yolk is not visible and moves around a lot.

The air chamber is large and translucent.

The entire egg becomes opaque.

What happens when cracking a fresh egg?

The white is thick but the yolk is runny.

The yolk appears runny and spreads easily.

The white is thin and watery with a lumpy yolk.

There is no thick white and the yolk is flat and firm. (correct)

What hormone presumably plays a major role in the muscle contractions and oviposition?

Oxytocin Signup and view all the answers

Which external factor influences the ovulation and laying of eggs in wild birds in a particular climate zone?

Length of the day Signup and view all the answers

How does the egg usually rotate before being pushed through the uterus to the vagina?

180° around its width axis Signup and view all the answers

What is the role of ultraviolet light in egg laying for certain bird species?

It has no effect on egg laying Signup and view all the answers

When does the ovulation of a new egg cell typically occur after an egg has been laid?

30 minutes after the egg is laid Signup and view all the answers

How do poor layers typically compare to good layers in terms of laying series?

Good layers have laying series of 1 or 2 eggs, whereas poor layers have series of 4 up to 200 eggs Signup and view all the answers

What happens when an egg is ultimately laid late in the light phase?

The next egg cell ovulates 16 to 18 hours later Signup and view all the answers