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Related Experiment Videos

Genetic selection in farmed deer.

C McManus1

  • 1Agricultural and Food Research Council, Institute of Animal Physiology and Genetics Research, Roslin, Midlothian.

The Veterinary Record
|February 2, 1991
PubMed
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Genetic improvement in livestock enhances economic merit. For farmed deer in the UK, central performance testing, group breeding schemes, and artificial insemination are key to boosting genetic quality.

Area of Science:

  • Animal Breeding and Genetics
  • Livestock Improvement
  • Quantitative Genetics

Background:

  • Selection is a primary method for improving livestock genetic quality and economic value.
  • Animal performance is influenced by both genetic merit and environmental factors.
  • Genetic improvement is permanent and cumulative, unlike costly and continuous environmental improvements.

Purpose of the Study:

  • To review the principles of genetic improvement in livestock.
  • To assess the factors affecting the speed of genetic gain in farmed deer populations.
  • To identify key tools for enhancing the genetic quality of farmed deer in the UK.

Main Methods:

  • Review of traditional and modern selection methods in animal breeding.
  • Analysis of factors influencing genetic gain: trait variation, heritability, selection intensity, and generation interval.

Related Experiment Videos

  • Identification of specific breeding technologies applicable to farmed deer.

    • Main Results:

    • Traditional selection methods are effective but require accounting for environmental effects.
    • UK farmed deer exhibit high trait variation but suffer from low selection intensity and long generation intervals.
    • Central performance testing, group breeding schemes, and artificial insemination are identified as crucial for genetic progress.

    Conclusions:

    • Effective livestock breeding relies on accurate assessment of genetic merit, considering environmental influences.
    • Specific strategies are needed to overcome limitations in selection intensity and generation interval in farmed deer.
    • Implementing advanced breeding tools is essential for maximizing the genetic potential and economic value of farmed deer populations.