Monday, October 25, 2021

Chickens are present in almost everywhere in world.

Research shows that chickens are smarter than young children. Chickens have demonstrated mathematical reasoning, self-control, and even structural engineering. Chickens know who the boss is. Like us, they form a social structure known as "hierarchical order," and every chicken knows its place on the ladder.

Females (chickens) are known for their fleshy combs, protruding jaws that hang under their beaks, and an arched tail. In some roosters, the tail can bigger than 30 cm

Natural history

Chickens are plump and have a round shape. They are less than 70 cm (27.6 inches) tall and weigh on average about 2.6 kg (5.7 lbs). Males (called roosters or roosters) and females (hens) are known for their fleshy crests, hooked whiskers that hang under their beaks, and arched tails. In some roosters, the tail can extend more than 30 cm (12 inches).

Chickens breed in spring and summer. Egg laying is stimulated by the long sunlight that occurs in warmer months. However, artificial lighting installed in poultry houses can trigger a hen's egg-laying reaction all year round. The time between ovulation and spawning is about 23 to 26 hours. Subsequent ovulation can occur within an hour of laying the previous eggs, so some hens can lay up to 300 eggs per year.

Fertilized embryos develop rapidly and chicks hatch after about 21 days. Chicks hatch, covered in down, but mature rapidly and become fully feathered after 4-5 weeks. At about 6 months, males produce viable sperm and females produce viable eggs. Wild sheep can live six to eight years in the best conditions, but most chickens used in the poultry industry lay eggs for two to three years before being slaughtered for meat, much of which is used as pets. It's possible. . meal. Domesticated chickens are known to live up to 30 years.

Social class

Each flock of chickens develops a social hierarchy that determines access to food, nesting locations, pairs, and other resources. A herd usually contains one dominant adult male, several dominant males, and two or more females, closely watched by the dominant male. The social class of chickens is divided according to gender and appears in a hierarchical order. In a hierarchical order, individuals of higher social rank may attack lower-ranking individuals with their beak (peck) to ensure access to food and other means. However, the changes may also include flapping wings and scratching their claws.

Domestication and economic production

Domestication of chickens has likely occurred at least once in Southeast Asia and possibly India over the past 7,400 years, and the earliest domestication may be for religious reasons or for breeding of fighting birds. Descendants of these domestication have spread around the world in various waves for at least the last 2,000 years. For most of that period, chickens were a common part of livestock supplementation on farms and pastures in Eurasia and Africa. However, it was not until the early 20th century that chicken and eggs were mass-produced.

Modern mass poultry farms with rows of cages built inside to control heat, light and humidity began to spread in England around 1920 and in the United States after World War II. Females (mature hens and young chickens called hens) are raised for meat and edible eggs. Farmers have developed numerous varieties and varieties to meet their commercial needs.

Originally, meat production was a byproduct of egg production. Only chickens that could no longer produce enough eggs were slaughtered and sold for meat. However, by the mid-20th century, meat production overtook egg production as a specialized industry. Since then, the chicken market has grown dramatically, with global exports reaching nearly 12.5 million tones (about 13.8 million tons) at the beginning of the 21st century. More than 50 billion chickens are raised each year as a source of meat and eggs. In the United States alone, more than 8 billion chickens are slaughtered for meat each year and more than 300 million are raised for egg production.


 Chickens are sociable birds and live together in groups. They have a community approach to egg hatching and hatching. Individual chickens in the herd dominate other chickens to establish a "split order", and the dominant individual has priority for access to food and nesting locations. When a hen or rooster is removed from the herd, this social order is temporarily altered until a new hierarchy is established. Adding chickens, especially young ones, to an existing flock can lead to fights and injuries.

When the rooster finds food, you can call another chicken to eat first. He does this by picking up and dropping food with a high-pitched giggle. This behavior can also be observed when the mother hen calls her chicks and offers to feed them.


Roosters almost always begin to cry before 4 months of age. Although it is possible for a hen to crow (along with growing hair), it is one of the most obvious signs of a rooster.

Nesting and spawning behavior

Hens often try to lay eggs in nests that already contain eggs and are known to carry eggs from neighboring nests to their own. As a result of this behavior, the flock does not have a different nest for each bird, but uses only a few of its preferences. Chickens often prefer to keep them in the same place. It is not uncommon for two (or more) chickens to try to share the same nest at the same time. If the nest is small or one of the hens is particularly determined, the hens may try to lay on top of each other. There is evidence that individual hens prefer to nest alone or in flocks.

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