Breeding has several meanings related to procreation:

• In animal husbandry and in horticulture the selection of stock for propagation and the act of insemination by natural or artificial means is called breeding. See Selective breeding, artificial selection, and plant breeding.
• The act of copulation in animals is sometimes called breeding.
• Breeding refers to the vocation of propagating a particular breed in the hobby of animal fancy.
• In nuclear power, a breeder reactor is a type of nuclear reactor whose fuel does not occur naturally but must be produced or bred within the reactor from some other material. A fusion power plant is also a type of breeder reactor because it must produce its tritium fuel from lithium.
• Bred vectors are perturbations, related to Lyapunov vectors, that capture fast growing dynamical instabilities of the solution of a numerical model.

See also

• Aquaculture
• Beekeeping
• Cat breeding
• Dog breeding
• Fish farming
• Herpetoculture
• Horse breeding
• Plant breeding

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