IDEAS home Printed from https://ideas.repec.org/a/caa/jnlcjs/v67y2022i9id84-2022-cjas.html
   My bibliography  Save this article

Genetic evaluation of the scrotal circumference of beef bulls in the Czech Republic

Author

Listed:
  • Alexandra Novotná
  • Michaela Brzáková

    (Department of Genetics and Breeding of Farm Animals, Institute of Animal Science, Prague-Uhrineves, Czech Republic)

  • Alena Birovaš

    (Department of Genetics and Breeding of Farm Animals, Institute of Animal Science, Prague-Uhrineves, Czech Republic)

  • Zdeňka Veselá

    (Department of Genetics and Breeding of Farm Animals, Institute of Animal Science, Prague-Uhrineves, Czech Republic)

Abstract

The objective of the present study was to estimate the genetic parameters for the scrotal circumference of bulls of beef breeds in the Czech Republic. The used database for the years 1996-2020 comprised information on the scrotal circumference measurements from 22 065 bulls of 19 pure breeds and crossbred animals of the Beef Simmental, Charolais, and Hereford breeds. After adjustments, the database contained 16 404 records. To test the influence of systematic fixed effects, the GLM/SAS procedure using the least-squares method was applied. The contemporary group, weight and age of the bulls were included as significant systematic environmental effects (< 0.05). The genetic parameters were determined by a single-trait model using the AIREMLF90 program. The heritability coefficient of the scrotal circumference was 0.27. Environmental correlations of the scrotal circumference with the bull weight were moderate and positive (r = 0.2), but the correlations between the age in days and the scrotal circumference were almost zero (r = 0.03). The results indicate that the scrotal circumference of beef cattle breeds provides sufficiently high genetic variability that can be used to identify individuals with an above-average circumference and, in this way, increase the probability of selection of a young bull with a better reproduction potential.

Suggested Citation

  • Alexandra Novotná & Michaela Brzáková & Alena Birovaš & Zdeňka Veselá, 2022. "Genetic evaluation of the scrotal circumference of beef bulls in the Czech Republic," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 67(9), pages 349-355.
    • Handle: RePEc:caa:jnlcjs:v:67:y:2022:i:9:id:84-2022-cjas
    DOI: 10.17221/84/2022-CJAS
    as

    Download full text from publisher

    File URL: http://cjas.agriculturejournals.cz/doi/10.17221/84/2022-CJAS.html
    Download Restriction: free of charge
    File URL: http://cjas.agriculturejournals.cz/doi/10.17221/84/2022-CJAS.pdf
    Download Restriction: free of charge
    File URL: https://libkey.io/10.17221/84/2022-CJAS?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:caa:jnlcjs:v:67:y:2022:i:9:id:84-2022-cjas. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Ivo Andrle (email available below). General contact details of provider: https://www.cazv.cz/en/home/ .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.