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" ... selection index numbers" in such work. The idea of such index numbers is to combine in a single numerical expression the values of a series of variable characters with regard to all of which the breeder wishes to practise selection at the same time.... "
Nature - Page xxiv
edited by - 1909
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The American Naturalist

Biology - 1909
...usefulness of what we have called "selection index numbers" in such work. The idea of such index numbers is to combine in a single numerical expression the values of a series of variable characters with regard to all of which the breeder wishes to practise selection at the same...
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Bulletin - Maine Agricultural Experiment Station, Issues 176-186

Maine Agricultural Experiment Station - Agriculture - 1911
...usefulness of what we have called "selection index numbers" in such work. The idea of such index numbers is to combine in a single numerical expression the values of a series of variable characters with regard to all of which the breeder wishes to practice selection at the same...
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Annual Report of the Maine Agricultural Experiment Station, Issues 176-186

Maine Agricultural Experiment Station - Agriculture - 1911
...usefulness of what we have called "selection index numbers" in such work. The idea of such index numbers is to combine in a single numerical expression the values of a series of variable characters with regard to all of which the breeder wishes to practice selection at the same...
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Genetics in Relation to Agriculture

Ernest Brown Babcock, Roy Elwood Clausen - Animal breeding - 1918 - 675 pages
...for example, such as absolute size of the ear, average percentage depth of the grains, etc. The idea is to combine in a single numerical expression the values of a series of variable characters with regard to all of which the breeder wishes to practice selection at the same...
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