In ancient times, people thought that the hen's crow was a sign of catastrophe, because if the hen crowed, it would be killed. In some places, the hen's head was hung on a tree to burn incense and pray for disaster avoidance. Think this phenomenon is ominous, see (Romance of the Three Kingdoms, the first time: Luoyang earthquake in February of Jianning four years; The sea overflowed and the coastal residents were swept into the sea by the big waves.
Suddenly, the hen crows at home, which means that the family fortune will get worse soon, and there will be many changes at home, especially the person in power at home may be replaced for some reasons, which may not be temporary, but it is difficult to restore the original appearance after a long time, so the family fortune is bound to decline.
The reason why hens crow:
Hens can crow, mainly when feeding. Some foods make hens produce androgen, or their own reasons lead to estrogen disorder, so hens will have the characteristics of roosters. For example, if the amount of eggs laid is reduced, or eggs are stopped, the cockscomb will turn red and crow like a rooster.
Anyone who has had the experience of slaughtering an old hen in the countryside knows better that an old hen has two ovaries. The crowing of hens is mostly due to the increase of androgen in hens, which leads to the thinning of their ovaries and the uncontrollable estrogen in the body. So the hen now appears male characteristics and crows.