Interesting facts about chickens


Posted on Mar 11, 2022      121


Among all other animals and birds raised on an industrial scale, chickens occupy a special place. They are bred both for eggs and meat, and in some countries they are an integral part of traditional cooking. They spread around the world in times immemorial, and since then you can find chickens in every corner of the Earth, even on many remote islands. Being rather unpretentious birds, they feel well in captivity and reproduce quickly.

Facts about chickens

  • They usually start laying eggs at 20 weeks of age, give or take, depending on the breed.
  • There are breeds of chickens that never lay eggs, because of a narrow pelvis or other natural anomalies.
  • Most chicken breeds lay the maximum number of eggs in the first two years of life, but then the number of eggs declines.
  • Chickens can remember “by sight” all the relatives in their coop.
  • People think chickens communicate with each other with simple clicks and clucking, but in fact, it is a language of communication. Researchers have described over thirty different meanings of avian “conversation.”
  • These domestic birds can experience emotions, as well as expressing feelings of compassion and mercy.
  • The ancestors of modern chickens originated in Asia, where they were domesticated.
  • The hen does not need a special nest for laying eggs - it can do it almost anywhere.

  • Chickens “start” the egg-laying process only in light, no matter whether artificial or natural.
  • It takes about 25 hours to fully form an egg in a hen’s body.
  • The size of eggs in young hens is always smaller than in older hens.
  • A double yolk egg may have quite a normal amount of protein, but the egg size may be much larger than a normal egg. There may be over two yolks.
  • Hens like to lay eggs together, huddling together in groups of two or three layers.
  • Sometimes hens may eat eggs, even their own. An egg that is damaged during laying is likely to be eaten by the laying hen herself.
  • A laying hen will incubate any egg, making no distinction between her own and another’s, fertilized and infertile.
  • The hen’s diet should include calcium-rich foods, as a large amount of it is spent on forming egg shells.
  • There are about 3 times as many chickens on earth as there are people.

  • The yolk in a raw chicken egg is always equidistant from the shell on all sides.
  • Fresh chicken eggs sink in water, while stale ones float on the surface.
  • The color of the shell of a chicken egg has nothing to do with its quality.
  • Even though chickens sometimes lay eggs with two or more yolks, only one chick can develop, because the egg will be too cramped for two embryos.
  • Embryos only develop into chicken embryos during incubation or incubation, even if the egg has been fertilized.
  • Eggs have the unpleasant characteristic of dying in groups. If at least one egg in the egg basket went rotten and was not removed in time, the other eggs would soon go rotten as well.
  • According to archaeological findings, chickens were domesticated about 8000-10000 years ago in ancient China.
  • The domestic hen can fly up to a height of two meters.
  • Chickens remember “by sight” not only their congeners but also people. Their memory can hold up to a hundred “persons”.
  • The weight of an average hen does not exceed 3.5 kg, but birds of meat breeds weigh 2-2.5 times more than laying hens.
  • Scientific experiments have confirmed that chickens are amenable to hypnosis.
  • A rooster named Mike became famous in the U.S. in the mid-20th century after he lived with an almost completely severed head for 18 months.
  • Wild relatives of chickens lay only 10-15 eggs a year.

Teg:   egg  chicken  hen 
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