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Joint effects of CSN3 and LGB genotypes and their relation to breeding values of milk production parameters in Czech Fleckvieh

Author

Listed:
  • A. Matějíček

    (University of South Bohemia, Ceske Budejovice, Czech Republic)

  • J. Matějíčková

    (Institute of Animal Science, Prague-Uhrineves, Czech Republic)

  • E. Němcová

    (Institute of Animal Science, Prague-Uhrineves, Czech Republic)

  • O.M. Jandurová

    (Crop Research Institute, Prague, Czech Republic)

  • M. Štípková

    (Institute of Animal Science, Prague-Uhrineves, Czech Republic)

  • J. Bouška

    (Institute of Animal Science, Prague-Uhrineves, Czech Republic)

  • J. Frelich

    (University of South Bohemia, Ceske Budejovice, Czech Republic)

Abstract

The objective of this study was to estimate the joint effects of CSN3 and LGB genotypes on breeding values of milk production parameters. CSN3 (kappa-casein) and LGB (beta-lactoglobulin) genotypes of 120 Czech Fleckvieh sires were detected using the PCR-RFLP method. Breeding values of sires were obtained from the Official Database of Progeny Testing. Ten genotype combinations were detected. Genotypes ABAB (25.0%), ABAA (13.3%) and ABBB (13.3%) were the most frequent. Significant effects of genotype combinations on breeding values for fat and protein content were found. The highest breeding values for milk (+621 kg) and protein (+15.8 kg) yields were associated with genotype combination ABAA, while the highest breeding values for content parameters (+0.15% for protein content and +0.55% for fat content) were associated with genotype combination BBAB.

Suggested Citation

  • A. Matějíček & J. Matějíčková & E. Němcová & O.M. Jandurová & M. Štípková & J. Bouška & J. Frelich, 2007. "Joint effects of CSN3 and LGB genotypes and their relation to breeding values of milk production parameters in Czech Fleckvieh," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(4), pages 83-87.
    • Handle: RePEc:caa:jnlcjs:v:52:y:2007:i:4:id:2273-cjas
    DOI: 10.17221/2273-CJAS
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    References listed on IDEAS

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    1. J. Kučerová & A. Matějíček & O.M. Jandurová & P. Sørensen & E. Němcová & M. Štípková & T. Kott & J. Bouška & J. Frelich, 2006. "Milk protein genes CSN1S1, CSN2, CSN3, LGB and their relation to genetic values of milk production parameters in Czech Fleckvieh," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 51(6), pages 241-247.
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    Cited by:

    1. E. Hradecká & J. Čítek & L. Panicke & V. Řehout & L. Hanusová, 2008. "The relation of GH1, GHR and DGAT1 polymorphisms with estimated breeding values for milk production traits of German Holstein sires," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(6), pages 238-246.

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