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A review of the effects of prostaglandins on sexual behavior in boars

By M. J. Estienne

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Abstract

Artificial insemination (AI) is the primary method of breeding sows in many countries worldwide. In general, semen for AI is collected using the gloved hand technique from boars trained to mount an artificial sow, although automated collection systems have been developed and are in use on some operations. The proportion of selected boars that are successfully trained for semen collection and the rapidity in which training occurs impacts efficiency in operations supplying semen for commercial sow units. An accumulating body of research suggests that injections of prostaglandins may be a useful tool for accelerating the process by which boars are trained for semen collection and may restore libido in older, already trained boars that are displaying decreased sex drive. In some experiments, however, prostaglandin therapy failed to alter libido and variation in effectiveness of the compound could be related to genetics, age or weight of boars, different products or doses of products employed, or some undetermined management practices. Thus, the compounds should be used judiciously and with veterinary consultation. Whether prostaglandins play a physiological role in controlling male sexual behavior in swine and the mechanisms by which pharmacological manipulation of circulating concentrations of prostaglandin enhance libido are largely unresolved and warrant further scrutiny.

Date 2014
Publication Title Applied Animal Behaviour Science
Volume 154
Pages 1-7
ISBN/ISSN 0168-1591
Publisher Elsevier
DOI 10.1016/j.applanim.2014.02.001
Author Address Virginia Tech, Tidewater Agricultural Research and Extension Center, Suffolk, Virginia, USA.mestienn@vt.edu
Additional Language English
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Tags
  1. Animal behavior
  2. Animal genetics
  3. Animal physiology
  4. Animal reproduction
  5. Animals
  6. Animal welfare
  7. Artificial insemination
  8. Automation
  9. Behavior and behavior mechanisms
  10. Boars
  11. Breeding
  12. Collection
  13. Education
  14. Effect
  15. Efficacy
  16. Genetics
  17. Injection
  18. Insemination
  19. Libido
  20. Mammals
  21. Meat animals
  22. Methodologies
  23. physiology
  24. Pigs
  25. Reviews
  26. semen
  27. sows
  28. Suiformes
  29. Techniques
  30. therapy
  31. training
  32. ungulates
  33. variation
  34. vertebrates
  35. World