People usually call the eggs laid by free-range chickens in the natural environment of farmers as native eggs, or as wood eggs or stupid eggs.
1. The eggshells of native eggs contain a large amount of calcium and are thick and hard, while the shells of foreign eggs are thin and brittle.
2. The egg white of native eggs is clear and sticky, while the egg white of foreign eggs is very thin.
3. The egg yolk has a high coagulation degree and floats on top of the egg white without sinking to the bottom. A toothpick inserted in the middle of the egg yolk can stand upright;
4. Peel the cooked eggs and place them in the egg yolk. Knead it in your hands. Even if the egg is flattened, the egg white will not crack and it will still be a complete egg.
5. Real free-range eggs are indeed more delicious than any kind of eggs sold in the market. Real free-range eggs, even boiled eggs, are delicious.
6. After the hard-boiled eggs with native chicken egg whites are cooked and cut open, you can see that the egg yolk is gauzy, and the color of the egg is bright yellow and not whitish.
7. Foreign eggs are large in size and have a lot of egg white and a lot of water. This can be seen when frying the eggs, and the frying pan will make a loud squeaking sound.
How to observe fresh eggs:
1. Put an egg in your hand, hold it in your ear with your fingers and shake it gently. If you feel water shaking inside, it means the egg is It's no longer fresh.
2. Find a basin, fill it with water, and put the eggs into the water. If the eggs lie flat and sink to the bottom of the water, it means they are very fresh eggs. If the eggs are submerged diagonally, it means they have been in the water for a while. If the egg floats in the water, it means that the egg has been around for a long time and cannot be eaten.
3. Prepare a flashlight and shine it on the head of the egg in a dark place. If you see a larger gap, it means the egg is older. If the gap is very small, it means the egg is very fresh.
4. Use a paper shell to roll a tube smaller than an egg, and then turn it around to look at the egg. If you see the egg is brighter, it means it is a good egg. If you see a black mass, it means the egg is good. Already broken.
Reference for the above content? Baidu Encyclopedia - Local Eggs