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The most distinctive feature of the Cochin is the excessive plumage that covers leg and foot. The skin beneath the feathers is yellow. [citation needed]In the United Kingdom the recognised colour varieties, for large fowl only, are black, blue, buff, cuckoo, partridge and grouse, and white; [3]: 90–93 Cochin bantams are not recognised by the Poultry Club of Great Britain.
Breeders and fanciers of chickens accurately describe the colours and patterns [1] of the feathers of chicken breeds and varieties. This is a list of the terms used in this context. This is a list of the terms used in this context.
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 ...
These breeds originating in Italy and Spain have white earlobes and tend to be productive layers of white eggs. In general they are flighty, and exceptional free-range birds, with both evasion and foraging skills: [1]: 178 Ancona; Andalusian; Catalana; Leghorn; Minorca; Sicilian Buttercup; White-faced Black Spanish
The cover of the 1930 edition. The American Standard of Perfection is the official book of breed standards of the American Poultry Association.It classifies and describes the standard physical appearance, coloring and temperament for many breeds of poultry recognized in the United States, including chickens, ducks, turkeys, geese and guinea fowl, but not pigeons.
Figure 1. Feathering types in ten-day-old chicks.Left: Fast normal-feathering chick. Right: Delayed-feathering chick carrying sex-linked K gene. Delayed-feathering in chickens is a genetically determined delay in the first weeks of feather growing, which occurs normally among the chicks of many chicken breeds and no longer manifests itself once the chicken completes adult plumage.
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. Some females also have bumps, though they are rarely as large as those of ...
In other words, homozygous I/I chickens have solid white plumage regardless of the other major or complementary mutations present in the individuals, but without effect on the melanin of the eye. "Dominant white" is also frequent in breeds which are habitually "recessive white", such as White Minorca , White Wyandotte and White Plymouth Rock .