IDEAS home Printed from https://ideas.repec.org/a/caa/jnlcjs/v61y2016i12id89-2015-cjas.html
   My bibliography  Save this article

Factors affecting reproductive efficiency in German Shepherd bitches producing litters for Police of the Czech Republic

Author

Listed:
  • J. Šichtař

    (Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • A. Dokoupilová

    (Department of Animal Science and Ethology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • L. Vostrý

    (Department of Genetics and Breeding, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • R. Rajmon

    (Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • F. Jílek

    (Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

The present study on German Shepherd bitches bred in the same environment of a private kennel and producing offspring for working purposes aimed to ascertain if any of the parameters: litter size, number of live puppies, stillbirth and mortality of puppies is determined by the month of whelping, parity, number of whelpings for one bitch over the course of one year, pregnancy length or bitch age at the time of whelping. Reproductive records of 73 bitches of German Shepherd breed (GSB) documented since 2001 till 2013 were processed. A total of 298 whelpings resulted in 2075 puppies; mortality of puppies was evaluated within the first 3 weeks of life. A significant seasonal influence on litter size and number of live born puppies, but not on stillbirth or mortality, was found. The parity of GSB significantly influenced litter size, live born puppies, and the incidence of stillbirths. The number of whelpings in one bitch over the course of one year significantly influenced litter size, while puppy losses were the same when bitches were bred once or twice a year. Litter size and number of live born puppies had a significant negative effect on pregnancy length. Furthermore, the number of stillbirths significantly increased when pregnancy was prolonged. Bitch age did not influence litter size, number of live born puppies and stillbirths, however it significantly affected mortality.

Suggested Citation

  • J. Šichtař & A. Dokoupilová & L. Vostrý & R. Rajmon & F. Jílek, 2016. "Factors affecting reproductive efficiency in German Shepherd bitches producing litters for Police of the Czech Republic," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 61(12), pages 578-585.
    • Handle: RePEc:caa:jnlcjs:v:61:y:2016:i:12:id:89-2015-cjas
    DOI: 10.17221/89/2015-CJAS
    as

    Download full text from publisher

    File URL: http://cjas.agriculturejournals.cz/doi/10.17221/89/2015-CJAS.html
    Download Restriction: free of charge
    File URL: http://cjas.agriculturejournals.cz/doi/10.17221/89/2015-CJAS.pdf
    Download Restriction: free of charge
    File URL: https://libkey.io/10.17221/89/2015-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.

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Joanna Kania-Gierdziewicz & Sylwia Pałka, 2019. "Effect of inbreeding on fertility traits in five dog breeds," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 64(3), pages 118-129.

    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:61:y:2016:i:12:id:89-2015-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.