upcScavenger » Domesticated Animals » Wiki: Breed

Breed

( Domesticated Animals )

Breeding: selection by b..
Breed characteristics
Lists of breeds

Mammals
Insects
Birds

See also
References
Further reading
External links

C O N T E N T S

Animal Breed Breeds List

Rank: 100%

Wiki
Comments
Media

20%

A breed is a specific group of breedable domestic animals having homogeneous appearance (phenotype), homogeneous behavior, and/or other characteristics that distinguish it from other organisms of the same species. In literature, there exist several slightly deviating definitions. Breeds are formed through genetic isolation and either natural adaptation to the environment or selective breeding, or a combination of the two. Despite the centrality of the idea of "breeds" to animal husbandry and agriculture, no single, scientifically accepted definition of the term exists. A breed is therefore not an objective or biologically verifiable classification but is instead a term of art amongst groups of breeders who share a consensus around what qualities make some members of a given species members of a nameable subset.

Another point of view is that a breed is consistent enough in type to be logically grouped together and when mated within the group produce the same type.Clutton-Brock, Juliet. 1987 A Natural History of Domesticated Mammals, Cambridge University Press and the Museum of Natural History, page 40. When bred together, individuals of the same breed pass on these predictable traits to their offspring, and this abilityknown as "breeding true"is a requirement for a breed. Plant breeds are more commonly known as . The offspring produced as a result of breeding animals of one breed with other animals of another breed are known as or mixed breeds. Crosses between animal or plant variants above the level of breed/cultivar (i.e. between species, subspecies, botanical variety, even different Genus) are referred to as hybrids.

Surinder S. Banga (1998). 9783540635239, Springer-Verlag. ISBN 9783540635239

Breeding: selection by breeders

The breeder (or group of breeders) who initially establishes a breed does so by selecting individual animals from within a gene pool that they see as having the necessary qualities needed to enhance the breed model they are aiming for. These animals are referred to as foundation stock. Furthermore, the breeder mates the most desirable representatives of the breed from the breeder's point of view, aiming to pass such characteristics to their Offspring. This process is known as selective breeding. A written description of desirable and undesirable breed representatives is referred to as a breed standard.

Breed characteristics

Breed specific characteristics, also known as breed traits, are inherited, and purebred animals pass such traits from generation to generation. Thus, all specimens of the same breed carry several genetic characteristics of the original foundation animal(s). In order to maintain the breed, a breeder would select those animals with the most desirable traits to achieve further maintenance and developing of such traits. At the same time, the breed would avoid animals carrying characteristics undesirable or not typical for the breed, including faults or genetics defects. The population within the same breed should consist of a sufficient number of animals to maintain the breed within the specified parameters without the necessity of forced inbreeding.

Domestic animal breeds commonly differ from country to country, and from nation to nation. Breeds originating in a certain country are known as "native breeds" of that country.

Lists of breeds

Mammals