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New Zealand Veterinary Journal Volume 15, 1967 - Issue 6
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General Article

Principles and practices used in on-the-farm recording and selection of livestock in the U.S.A

A.B. Chapman Ph.D. University of Wisconsin, Madison, Wisconsin, U.S.A.
Pages 99-104 | Received 16 Feb 1967, Published online: 23 Feb 2011

References

  • Bailey , C. M. , Chapman , A. B. and Pope , A. L. 1961a . Predicting loin-eye area in lambs from weanling traits and carcass measurements . J. anim. Sci. , 20 : 302 – 396 .
  • Bailey , C. M. , Chapman , A. B. and Pope , A. L. 1961b . Relative values of crosses in market lamb production: Columbia, Corriedale, Hampshire, Suffolk sires bred to Hampshire ewes . Wis. Agric. Exp. Sta. Res. Bull. , 226
  • Bernard , C. S. , Chapman , A. B. and Grummer , R. H. 1954 . Selection of pigs under farm conditions: Kind and amount practised and a recommended selection index . J. anim. Sci. , 73 : 389 – 404 .
  • Bradford , G. E. , Chapman , A. B. and Grummer , R. H. 1953a . Performance of hogs of different breeds and from straight bred and crossbred dams on Wisconsin farms . J. anim. Sci. , 12 : 582 – 590 .
  • Bradford , G. E. , Chapman , A. B. and Grummer , R. H. 1953b . Time of farrow and performance in spring farrowed pigs . J. anim. Sci. , 72 : 848 – 855 .
  • Bradford , G. E. , Chapman , A. B. and Grummer , R. H. 1958 . Effects of inbreeding, selection, linecrossing and topcrossing in swine. II. Linecrossing and topcrossing . J. anim. Sci. , 77 : 441 – 455 .
  • Durham , R. M. , Chapman , A. B. and Grummer , R. H. 1952 . Inbred versus non-inbred boars used in two sire herds on Wisconsin farms . J. anim. Sci. , 77 : 134 – 155 .
  • Felts , L. L. 1958 . “ Construction of a ewe selection index for use under farm flock conditions ” . In Ph.D. Thesis , Madison : University of Wisconsin .
  • Felts , L. L. , Chapman , A. B. and Pope , A. L. 1957 . Estimates of genetic and phenotypic parameters for use in a farm flock ewe selection index . J. anim.Sci. , 76 : 1048 – 1048 . Abstr.
  • Hazel , L. N. 1943 . The genetic basis for constructing selection indexes . Genetics , 28 : 476 – 490 .
  • Henderson , C. R. 1963 . Statistical Genetics and Plant Breeding , N.A.S.-N.R.C. Publ. 982 Edited by: Hanson , W. D. and Robinson , H. F. 141 – 141 . U.S.A. In
  • Karam , H. A. , Chapman , A. B. and Pope , A. L. 1953 . Selecting lambs under farm flock conditions . J. anim. Sci. , 72 : 148 – 164 .
  • Lush , L. L. 1951 . Genetics in the 20th Century , 493 – 493 . New York : McMillan .
  • Neville , W. E. Jr. , Chapman , A. B. and Pope , A. L. 1958 . Comparison of lambs from Western (ColumbiaRambouillet) ewes and sired by rams of four Down breeds . J. anim. Sci. , 77 : 763 – 773 .
  • Robison , Ó. W. , Chapman , A. B. and Self , H. L. 1960 . Swine selection indexes including live animal measurements as indications of carcass merit . J. anim. Sci. , 79 : 1024 – 1030 .
  • Smith , H. F. 1936 . A discriminant function for plant selection . Ann. Eugn. , 7 : 240 – 250 .

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