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Management considerations in heifer development and puberty.

D J Patterson1, R C Perry, G H Kiracofe

  • 1Department of Animal Science, University of Kentucky, Lexington 40546-0215.

Journal of Animal Science
|December 1, 1992
PubMed
Summary
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Optimizing beef heifer management is key for early puberty and maximizing lifetime productivity. Strategic nutrition, genetics, and timely interventions are crucial for reproductive success and profitability.

Area of Science:

  • Animal Science
  • Reproductive Biology
  • Beef Cattle Production

Background:

  • Puberty attainment in beef heifers is critical for breeding to calve at two years old, impacting lifetime productivity.
  • The reproductive system matures late, making factors influencing puberty attainment essential for management.
  • Environmental influences, primarily nutrition, significantly affect growth rate and development, dictating puberty onset.

Purpose of the Study:

  • To review current knowledge on replacement beef heifer management.
  • To identify critical factors influencing puberty and reproductive performance.
  • To stimulate research for enhanced management techniques ensuring optimal puberty age.

Main Methods:

  • Literature review of scientific evidence linking postweaning nutritional development to reproductive events.

Related Experiment Videos

  • Evaluation of management strategies impacting heifer growth and reproductive outcomes.
  • Analysis of factors from birth to breeding affecting lifetime productivity.

    • Main Results:

    • Nutritional status and growth rate are primary drivers of puberty in heifers.
    • Management decisions from birth (implants, creep-feeding, genetics) influence reproductive success.
    • Inadequate or excessive development negatively impacts puberty, conception, and calving.

    Conclusions:

    • Effective replacement heifer management requires a holistic approach considering nutrition, genetics, and environmental factors.
    • Achieving target prebreeding weights is essential for optimal reproductive performance.
    • Future research should integrate production potential with available resources for profitable decision-making.