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Methods for increasing genetic progress in a line or breed of swine using sex-selected sperm cells

  • US 10,188,082 B2
  • Filed: 07/20/2017
  • Issued: 01/29/2019
  • Est. Priority Date: 06/06/2012
  • Status: Active Grant
First Claim
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1. A method of producing an embryo or zygote in a genetic nucleus comprising the steps of:

  • collecting a semen sample from a boar from the genetic nucleus;

    sorting the semen sample into at least two subpopulations of sperm cells, wherein at least 60% of a first subpopulation bears X-chromosomes or Y-chromosomes;

    fertilizing an egg from a sow from the genetic nucleus with one or more sperm cells from the first subpopulation to produce a zygote or embryo;

    genotyping the zygote or embryo to obtain a genotype;

    determining an estimated breeding value for the zygote or embryo; and

    selecting the zygote or embryo to develop into offspring that is used for breeding in the genetic nucleus based on the estimated breeding value.

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