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Genetic parameters for a joint genetic evaluation of production and reproduction traits in pigs

Author

Listed:
  • J. Wolf

    (Research Institute of Animal Production, Prague-Uhříněves, Czech Republic)

  • E. Žáková

    (Research Institute of Animal Production, Prague-Uhříněves, Czech Republic)

  • E. Groeneveld

    (Institute for Animal Breeding, Mariensee, Federal Agricultural Research Centre (FAL), Neustadt, Germany)

Abstract

The covariance structure was estimated by REML for a joint genetic evaluation of production and reproduction traits for Czech Landrace (58 258 records) and Czech Large White (167 161 records) pigs using four-trait animal models. The following traits were analysed: lean mean percentage at the end of the performance test in the field, estimated from ultrasonic measurements unadjusted for live weight (LM), average daily gain in field test (in g/day) calculated as weight at the end of the test divided by age at the end of the test (ADG), number of piglets born alive in parity 1 (NBA1) and number of piglets born alive in parity 2 and subsequent parities (NBA2+). The heritabilities were in the range from 0.30 to 0.37 for LM, from 0.13 to 0.18 for ADG, from 0.09 to 0.13 for NBA1 and from 0.10 to 0.14 for NBA2+, depending on the breed and on the model (herd-year-season random or fixed). Genetic correlations between production and reproduction traits were estimated to be non-zero. Correlations between traits caused by the herd-year-season effect were mostly positive. As a general conclusion, the joint genetic evaluation of production and reproduction traits is recommended. The herd-year-season effect should be preferably considered as random.

Suggested Citation

  • J. Wolf & E. Žáková & E. Groeneveld, 2005. "Genetic parameters for a joint genetic evaluation of production and reproduction traits in pigs," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 50(3), pages 96-103.
    • Handle: RePEc:caa:jnlcjs:v:50:y:2005:i:3:id:4001-cjas
    DOI: 10.17221/4001-CJAS
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    Citations

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    Cited by:

    1. J. Wolf & M. Wolfová, 2012. "Effect of service sire on litter size traits in Czech Large White and Landrace pigs," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 57(5), pages 220-230.
    2. J. Wolf & M. Wolfová, 2012. "Genetic parameters including the service sire effect for the sow traits stillbirth and piglet losses in Czech Large White and Landrace," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 57(9), pages 402-409.
    3. E. Krupa & E. Žáková & Z. Krupová & R. Kasarda & A. Svitáková, 2016. "Genetic relationship between management units of Czech dam pig breeds based on various types of data and pedigree information," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 61(2), pages 91-97.
    4. E. Krupa & J. Wolf, 2013. "Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 58(9), pages 429-436.
    5. J. Přibyl & J. Přibylová & H. Krejčová & N. Mielenz, 2008. "Comparison of different traits to evaluate the growth of bulls," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(7), pages 273-283.
    6. J. Wolf & J. Smital, 2009. "Effects in genetic evaluation for semen traits in Czech Large White and Czech Landrace boars," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(8), pages 349-358.
    7. I. Nagy & J. Farkas & P. Gyovai & I. Radnai & Z. Szendrő, 2011. "Stability of estimated breeding values for average daily gain in Pannon White rabbits," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 56(8), pages 365-369.

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