Red-light stimulation of boar semen prior to artificial insemination improves field fertility in farms: A worldwide survey

Olga Blanco Prieto, Jaime Catalán, Marcel Lleonart, Sergi Bonet, Marc Yeste, Joan E. Rodríguez-Gil

Research output: Contribution to journalArticleResearch

8 Citations (Scopus)

Abstract

A survey of in vivo fertility data from 31 pig farms distributed worldwide was conducted to determine whether stimulating boar semen with LED-based red light increases its reproductive performance following artificial insemination (AI). Red-light stimulation with MaXipig (R) was found to increase farrowing rates (mean +/- SEM, control: 87.2% +/- 0.4% vs. light stimulation 90.3% +/- 0.5%) and the number of both total and live newborn piglets. Red-light stimulation increased farrowing rates in 27 farms, with an increase ranging from 0.2% to 9.1%. Similar results were observed in litter sizes. Suboptimal management after AI was suggested in those farms with no response to red-light stimulation. Our results indicate that a routine use of red-light stimulation of boar semen can have a positive effect on the reproductive performance. However, the effectiveness of this system appears to highly rely upon proper management of pig farms.

Original languageEnglish
Pages (from-to)1145-1148
Number of pages4
JournalReproduction in Domestic Animals
Volume54
Issue number8
DOIs
Publication statusPublished - Aug 2019

Keywords

  • PRESERVATION
  • artificial insemination
  • boar semen
  • fertility
  • prolificacy
  • red-light stimulation

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