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Original Articles

Calculation of Selection Indexes that Include Highly Correlated Traits

Pages 103-107 | Received 18 Sep 1978, Published online: 03 Sep 2009

References

  • Auran , T. 1976 . Studies on monthly and cumulative monthly milk yield records. III. Estimates of genetic and phenotypic parameters . Acta Agric Scand. , 26 : 3 – 9 .
  • Danell , B. 1977 . Studies on individual test day yields Not published
  • Gustafson , G. 1972 . Appropriate part of the lactation for progeny testing in milk production with special regard to the current pregnancey (In Swedish with summary and discussion in English) . LantbrHögsk. Meddn A , 168
  • Hazel , L. N. 1943 . The genetic basis for constructing selection indexes . Genetics , 28 : 476 – 490 .
  • Henderson , C. R. 1963 . Selection index and expected genetic advance. Statistical genetics and plant breeding . NAS-NRC , 982 : 141 – 163 .
  • Hoerl , A. E. and Kennard , R. W. 1970 . Ridge regression: Biased estimation for nonorthogonal problems . Technometrics , 12 : 55 – 67 .
  • Keown , J. F. and Van Vleck , L. D. 1971 . Selection on test day fat percentage and milk production . J. Dairy Sci. , 54 : 199 – 203 .

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