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September 5, 2025RuminantsOpen Access

Selection Indices for Milk Traits in Holstein–Friesian Cows: A Comparison of Relative Economic Value Methods

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Authors

AHAhmed HusseinFFF. FarragMEM. El–Arian

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Overview

Analysis reveals optimal selection indices for milk yield, fat yield, and protein yield in Holstein–Friesians, suggesting best practices for breeding.

Key Points

  • Using selection indices, this study achieves significant genetic gains in milk traits of Holstein–Friesian cows.
  • The index including all traits yields approximately 305 kg in milk yield per generation, ensuring optimal genetic merit.
  • This analysis employs lactation records from 2181 Holstein–Friesian cows, showcasing effective methodologies for breeding.
  • Results indicate that while both relative economic value methods are effective, REV2 provides superior computational efficiency.

Cite This Study

Hussein et al. (2025) studied this question.

synapsesocial.com/papers/68c23a2cb210217d6477fe60https://doi.org/10.3390/ruminants5030040
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Are there too many traits in our selection indices?2025
  2. 2Genetic evaluation of profitability measures in Holstein dairy cows2025
  3. 3Latent phenotype potential: Modelling response to selection for dairy cattle productivity traits considering genetic correlations2025
  4. 4The relationship of economically useful features of Holstein cows with different combinations of selection2025
  5. 5Genetic Parameters of Milk Fat, Protein and Solid-Not-Fat Percentage Using Univariate Animal Model2025