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PLF tracks large animals, such as cows, "per animal", but smaller animals, such as poultry, "per flock", wherein the whole flock in a house is treated as one animal. Tracking "per flock" is widely used in broilers. PLF technologies include cameras, microphones, and other sensors for tracking livestock, as well as accompanying computer software.
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 authors found that "a small but growing number of studies sought to develop automated species identification systems based on morphological characters". An overview of 20 studies analyzing species' structures, such as cells, pollen, wings, and genitalia, shows identification success rates between 40% and 100% on training sets with 1 to 72 ...
The chicken breeds recognized by the American Poultry Association are listed in the American Standard of Perfection. They are categorized into classes: standard-sized breeds are grouped by type or by place of origin, while bantam breeds are classified according to type or physical characteristics.
List of chicken breeds. List of German chicken breeds; List of French chicken breeds; List of Italian chicken breeds; List of Spanish chicken breeds; Chicken breeds recognized by the American Poultry Association; List of true bantam chicken breeds; List of duck breeds; List of turkey breeds; List of goose breeds; List of pigeon breeds
This is a list of chicken breeds usually considered to originate in Canada and the United States. [ 1 ] [ 2 ] Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively from those countries.
Eight of them are recognised by the American Poultry Association in its breed standard, the American Standard of Perfection, where however they are classified as "varieties" rather than as breeds. [citation needed] This may be because the original genotype for domestic turkeys was for Bronze, and all other color varieties are due to mutations ...
The National Animal Identification System covers most livestock species, including cattle, poultry, horses, donkeys, mules, sheep, goats and swine, as well as bison, deer, elk, llamas, alpacas and even some fish species, under the heading of aquaculture. Household pets such as cats and dogs are not included. [8]