Amazing Birth photos of a chicken.
It is always interesting to watch the beginning of a life.
Day - 1. There are not any changes, yet.
Day - 3. On the egg yolk some blood vessels develop which provide the embryo with nutrients of the white of the egg and the egg yolk.
Day - 5. You can see the blood vessels, which look like threads.
Day - 6. The blood vessels are getting tighter and look like a cobweb.
Day - 12. Within twelve days the embryo develops to look like a ready-made chick, but it only uses one half of the egg, so it will have to grow some more during the remaining nine days within the eggshell. Surprisingly, it is already able to hear.
Day - 14. On the picture you see the fetal membrane which is supplied with blood, the yolk, the blood vessels running from the yolk to the embryo supplying it with nutrients and the breathing membrane.
Day - 17. After the hatching period of 17 days the chick pierces through the egg membrane, and when its head and beak are in the air chamber it breathes with its lung. Now it perceives the voice of its mother and will remember it for the next few weeks.
Day - 19. The chicks start to communicate with each other and their mother. So actually they can control when to hatch out and they can delay it for over two hours until all chicks are ready to hatch out. Particularly for wild-living birds this is an advantage, because all the chicks get dry together and they can also leave the nest with their mother at same time. A short time before hatching out (on the 19th or 20th day), the chick pulls the egg yolk through its navel into its stomach, and then the navel locks. So the egg yolk can be used as food for the next 24 hours.
Day - 20. Although the brood normally takes 21 days, most of the eggs are pecked on the 20th day. But actually "pecked on" is the wrong expression, because there is not enough room inside the egg to peck. Until a short time before hatching out, the chick's head lies on its breast. Then it lifts its head pressing a hole into the eggshell by means of a thorn located on the beak. By moving inside all the time the whole eggshell cracks and the chick presses against the eggshell. As it lifts the back of the neck it finally opens the lid. Important: The hen does not help the chick at all to get out of the eggshell. That's why you should not help your chicks either.
Day - 21. Finally the chick hatches out.
It is always interesting to watch the beginning of a life.
Inside Chicken's Egg
Day - 1. There are not any changes, yet.
Day - 3. On the egg yolk some blood vessels develop which provide the embryo with nutrients of the white of the egg and the egg yolk.
Day - 5. You can see the blood vessels, which look like threads.
Day - 6. The blood vessels are getting tighter and look like a cobweb.
Day - 12. Within twelve days the embryo develops to look like a ready-made chick, but it only uses one half of the egg, so it will have to grow some more during the remaining nine days within the eggshell. Surprisingly, it is already able to hear.
Day - 14. On the picture you see the fetal membrane which is supplied with blood, the yolk, the blood vessels running from the yolk to the embryo supplying it with nutrients and the breathing membrane.
Day - 17. After the hatching period of 17 days the chick pierces through the egg membrane, and when its head and beak are in the air chamber it breathes with its lung. Now it perceives the voice of its mother and will remember it for the next few weeks.
Day - 19. The chicks start to communicate with each other and their mother. So actually they can control when to hatch out and they can delay it for over two hours until all chicks are ready to hatch out. Particularly for wild-living birds this is an advantage, because all the chicks get dry together and they can also leave the nest with their mother at same time. A short time before hatching out (on the 19th or 20th day), the chick pulls the egg yolk through its navel into its stomach, and then the navel locks. So the egg yolk can be used as food for the next 24 hours.
Day - 20. Although the brood normally takes 21 days, most of the eggs are pecked on the 20th day. But actually "pecked on" is the wrong expression, because there is not enough room inside the egg to peck. Until a short time before hatching out, the chick's head lies on its breast. Then it lifts its head pressing a hole into the eggshell by means of a thorn located on the beak. By moving inside all the time the whole eggshell cracks and the chick presses against the eggshell. As it lifts the back of the neck it finally opens the lid. Important: The hen does not help the chick at all to get out of the eggshell. That's why you should not help your chicks either.
Day - 21. Finally the chick hatches out.
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