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Belgium: more than 15 million male chicks are culled annually, 40,000 a day (February 2020 estimate). [17] CO 2 gassing is the only method used and happens in two stages: chicks are first stunned and then killed. [17] Canada: 22.5 million male chicks are culled annually, nearly 62,000 a day (December 2016 estimate). [33]
Live capons in Hainan, China, displaying characteristic small head, comb and wattle. A capon (from Latin: cāpō, genitive cāpōnis) is a male chicken that has been castrated or neutered, either physically or chemically, to improve the quality of its flesh for food, and, in some countries like Spain, fattened by forced feeding.
Cock: a fertile adult male chicken [6] [7] Cockerel: a young male chicken [8] Hen: an adult female chicken [9] Pullet: a young female chicken less than a year old. [10] In the poultry industry, a pullet is a sexually immature chicken less than 22 weeks of age. [11] Rooster: a fertile adult male chicken
Vent sexing in Wenchang, Hainan, China (2014). Vent sexing, also known simply as venting, involves squeezing the feces out of the chick, which opens up the chick's anal vent (called a cloaca) slightly, allowing the chicken sexer to see if the chick has a small "bump", which would indicate that the chick is a male.
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Mass production of chicken meat is a global industry and at that time, only two or three breeding companies supplied around 90% of the world's breeder-broilers. The total number of meat chickens produced in the world was nearly 47 billion in 2004; of these, approximately 19% were produced in the US, 15% in China, 13% in the EU25 and 11% in Brazil.
Illustration of thirty-nine varieties of chicken (and one Guinea Fowl) . There are hundreds of chicken breeds in existence. [1] Domesticated for thousands of years, distinguishable breeds of chicken have been present since the combined factors of geographical isolation and selection for desired characteristics created regional types with distinct physical and behavioral traits passed on to ...
The greater prairie-chicken or pinnated grouse (Tympanuchus cupido), sometimes called a boomer, [2] is a large bird in the grouse family. This North American species was once abundant but has become extremely rare or extirpated over much of its range due to habitat loss , natural disasters, and overhunting.