line breeding


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line breeding

n.
Selective inbreeding to perpetuate certain desired qualities or characteristics in a strain of livestock.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

line breeding

or

linebreeding

n
(Veterinary Science) selective inbreeding that produces individuals possessing one or more of the favourable characteristics of their common ancestor
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Born in Matfen, Northumberland in 1775, he established the Shorthorn breed after he set out to improve livestock by careful line breeding and bred Shorthorns from his land in South Tyneside and latterly Kirklevington, Yarm.
The result of parental line breeding program focused on multiple resistance to nematodes was obtaining the set of clones very highly resistant to all pathotypes of Globodera spp.
In case of line breeding, sheep of this breed steadily reproduce their economically useful qualities to offspring, and are used to improve wool quality of local coarse wool sheep.
In the 1970s-1980s, these breeds were created on the basis of pure breeding using the classical method of line breeding [1, 2, 3, 4, 5].
Some I mentioned in The Complete Idiot's Guide to Raising Chickens include the Corndel, which Tim Shell produced from Cornish and Delawares, with line breeding and careful selection; and the Black Walnut, from Gene McGraw.