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Related Experiment Videos

Microsatellite-based parentage control in cattle

M L Glowatzki-Mullis1, C Gaillard, G Wigger

  • 1Institute for Animal Breeding, University of Berne, Switzerland.

Animal Genetics
|February 1, 1995
PubMed
Summary
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New multiplex polymerase chain reaction (PCR) systems using six short tandem repeat (STR) loci effectively resolved 35 bovine parentage cases. This DNA-based approach offers a powerful advancement for animal identification and genetic management.

Area of Science:

  • Genetics and Molecular Biology
  • Animal Science
  • Forensic Science

Background:

  • Traditional blood typing methods have limitations in resolving complex parentage cases in animals.
  • Short tandem repeat (STR) markers offer high discriminatory power for individual identification.
  • Multiplex PCR allows simultaneous amplification of multiple genetic loci, increasing efficiency.

Purpose of the Study:

  • To develop and validate novel multiplex polymerase chain reaction (PCR) systems for bovine parentage control.
  • To assess the efficacy of these systems in resolving cases intractable by conventional methods.
  • To establish allele frequency data for selected STR loci in a bovine population.

Main Methods:

  • Development of two multiplex coamplification PCR systems targeting a total of six STR loci.

Related Experiment Videos

  • Analysis of microsatellite polymorphisms using automated fluorescence detection on the Applied Biosystems 373 DNA Sequencer.
  • Determination of allele frequency data from a population of 238 animals.

    • Main Results:

    • Successful development of two multiplex PCR systems capable of analyzing six STR loci simultaneously.
    • Established allele frequency data for the selected STR loci in the studied bovine population.
    • Resolved 35 bovine parentage cases that were previously unsolvable using conventional blood typing techniques.

    Conclusions:

    • The developed multiplex PCR systems provide a highly effective and accurate method for bovine parentage control.
    • This advanced DNA-based approach significantly improves the resolution of parentage disputes in cattle.
    • The methodology offers a valuable tool for genetic management and breeding programs in livestock.