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April 15, 2026Tropical Animal Health and ProductionOpen Access

The compilation of a body weight composite to predict body weight in SA Holstein cattle

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Authors

DND. J. van NiekerkUniversity of the Free StateFNF. W. C. NeserUniversity of the Free StateMFM. D. FairUniversity of the Free State

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Overview

Evaluates a body weight composite to predict weight in Holstein cattle, indicating its practical value.

Key Points

  • To assess the effectiveness of a body weight composite for predicting body weight in Holstein cattle.
  • Reviewed body measurements of Holstein cattle to construct a body weight composite (BWC).
  • Analyzed data from 701 records across three farms using total mixed ration feeding.
  • Employed linear regression to correlate BWC with actual body weights.
  • Calculated proportional contributions of various traits to the BWC.
  • The linear regression equation was y = 82.377x + 206.11 with an R^2 of 0.617.
  • Correlation between predicted and actual weights was 59%.
  • Average difference between predicted and actual weights was 3.2%.
  • BWC proved to be a useful predictor for body weight in intensive management systems.

Cite This Study

Niekerk et al. (2026) studied this question.

synapsesocial.com/papers/69df2bece4eeef8a2a6b0d20https://doi.org/10.1007/s11250-026-05027-4
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