Genetics & Selection
Breed & Genetics: 5 guides
- Bull Selection for the Modern Holstein: Balancing Production, Fertility, and Health TraitsA sound sire team starts with a total-merit index and uses everything else to avoid blind spots.
- Genomic Predictions for Heat Tolerance in U.S. Holsteins: What the New Research Means for Your Breeding ProgramLarge U.S. data sets now show that heat tolerance is partly genetic, but turning that into bull picks takes care.
- Genomic Testing and Net Merit: Choosing Holstein Heifers and Sires by the NumbersDNA testing changed dairy breeding. What a genomic test tells you, what Net Merit measures and how to use the numbers without ignoring the cow in front of you.
- Record Keeping for Genomic Evaluations: Why Parentage and Performance Data MatterA genomic test is only as good as the identification, pedigree and performance records that sit behind it.
- Selecting for Heat Tolerance Without Sacrificing Milk Yield or Fertility: A Practical GuideA balanced-selection approach for breeders who want cows that cope with summer but still pay the bills.