Chickens, as oviparous animals, have evolved to ovulate once a day in order to satisfy the need to produce offspring. This has resulted in the fact that chickens can now lay eggs even if they are not pregnant. Anyone who has really understood chickens knows that eggs are actually divided into unfertilized eggs and fertilized eggs. Why are there such distinctions between eggs? Doesn't it have to be combined now for eggs to appear? It's a pity that chickens are not. For chickens, eggs are equivalent to human "menstruation". The eggs they lay every day are not legacy offspring, they are just ovulating normally.

1. As special hens, the eggs they lay every day are actually human menstruation and normal ovulation behavior

Can hens lay eggs even if they are not pregnant? I believe that many people who don’t know chickens find it very magical. After all, many people think that eggs must be formed when chickens are combined. In fact, the eggs of hens are equivalent to women’s eggs. The eggs they lay are equivalent to women’s monthly menstruation. The eggs before conception are ordinary protein eggs, which will be excreted when mature; and for the combination The eggs that have been fertilized will also be excreted from the body on the same day, and the biggest difference is that naturally fertilized eggs cannot hatch chicks, only truly fertilized eggs can.

2. In the evolutionary process of chickens, in order to meet the opportunity of reproducing offspring, they evolved to ovulate every day

If eggs are really similar to human menstruation, why do they ovulate every day? Just appear once? This is the result of biological evolution. Anyone who has raised chickens knows that a rooster will have many wives, almost like a group of wives. It is rare to encounter one-on-one breeding; in order to reproduce offspring at all times, they have evolved to ovulate once a day. If it happens once a month, the rooster will no longer ovulate and the opportunity will be wasted. In order to better grasp the fertilization, it will develop to one egg a day.

Therefore, the hen will lay one egg a day regardless of whether it is pregnant or not, but the egg is also distinguished by whether it is fertilized or not.