Abstract

The effect of vaginal and cervical deposition of liquid semen stored at room temperature on the fertility of goats was tested in a field trial in which 217 Norwegian Dairy goats aged between 6 months and 7.5 years from 14 farms were inseminated after natural oestrous. Cervical insemination with 200 x 106 spermatozoa resulted in 25-day non-return and kidding rates of 87.0 and 78.0%, and vaginal insemination gave 85.5 and 74.3%, respectively. There was no significant difference between the cervical and vaginal inseminations (P = 0.59 for the 25-day non-return and P = 0.40 for the kidding rates). Farm had a significant effect on the 25-day non-return rate (P = 0.03) but not on the kidding rate (P = 0.07). There were no significant differences between the fertility rates for different bucks (P = 0.36 for the 25-day non-return and P = 0.15 for the kidding rates). Fertility results after vaginal insemination were encouragingly high. Vaginal insemination is a simple, less costly and time consuming technique compared to others, also bringing into focus the animal welfare aspects of the artificial insemination procedure. As the final goal is to establish a technique that could be applied similarly on a large scale by all farmers, vaginal insemination must be considered as a method that would simplify the use of liquid buck semen in Norway. (c) 2004 Elsevier B.V. All rights reserved

Published in

Animal Reproduction Science
2005, Volume: 86, number: 1-2, pages: 109-117
Publisher: ELSEVIER SCIENCE BV

SLU Authors

• Söderquist, Lennart

  • Department of Clinical Sciences, Swedish University of Agricultural Sciences
    

Publication identifier

DOI: https://doi.org/10.1016/j.anireprosci.2004.06.007

Permanent link to this page (URI)

https://res.slu.se/id/publ/6872