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Most chickens are raised for food, providing meat and eggs; others are kept as pets [1] or for cockfighting. Chickens are common and widespread domestic animals, with a total population of 26.5 billion as of 2023, and an annual production of more than 50 billion birds. A hen bred for laying can produce over 300 eggs per year.
Chickens were one of the domesticated animals carried with the sea-borne Austronesian migrations into Taiwan, Island Southeast Asia, Island Melanesia, Madagascar, and the Pacific Islands; starting from around 3500 to 2500 BC. [25] [26] By 2000 BC, chickens seem to have reached the Indus Valley and 250 years later, they arrived in Egypt. They ...
Farming of chickens on an industrial scale relies largely on high protein feeds derived from soybeans; in the European Union the soybean dominates the protein supply for animal feed, [88] and the poultry industry is the largest consumer of such feed. [88]
Scientifically known as Gallus gallus domesticus, chickens are one of the most widespread and common domesticated animals in the world. The global chicken population reached over 33 billion, with ...
The chicken embryo is a unique model that overcomes many limitations to studying the biology of cancer in vivo. The chorioallantoic membrane (CAM), a well-vascularized extra-embryonic tissue located underneath the eggshell, has a successful history as a biological platform for the molecular analysis of cancer including viral oncogenesis, [8] carcinogenesis, [9] tumor xenografting, [1] [10] [11 ...
The poet Cratinus calls the chicken "the Persian alarm". In Aristophanes's comedy The Birds (414 BC) a chicken is called "the Median bird", which points to an introduction from the East. Pictures of chickens are found on Greek red figure and black-figure pottery. In Ancient Greece, chickens were still rare and were rather prestigious food for ...
The old hens also have little commercial value. Thus, the main sources of poultry meat a hundred years ago (spring chickens and stewing hens) have both been entirely supplanted by meat-type broiler chickens. Traditionally, chicken production was distributed across the entire agricultural sector.
The post 30 of the Funniest “Why Did the Chicken Cross the Road” Jokes appeared first on Reader's Digest. Not that funny. We've got some way better reasons for chickens (and lots of other ...