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Relationship between semen quality and meat quality traits in Belgian Piétrain boars

Ioannis Arsenakis (UGent) , Ruth Appeltant (UGent) , Steven Sarrazin (UGent) , Tom Rijsselaere (UGent) , Ann Van Soom (UGent) and Dominiek Maes (UGent)
(2017) LIVESTOCK SCIENCE. 205. p.36-42
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Abstract
The main objective of this study was to assess the semen quality of Pietrain boars originating from Belgian AI centers and to correlate these results with their meat quality traits. Freshly diluted semen doses from 140 boars originating from 10 artificial insemination (AI) centers were used and stored for five days at 17 degrees C. Motility was assessed daily using a computer assisted semen analyzer (Hamilton-Thorne), while morphology and concentration were assessed on the day of semen collection (Day 0) by eosin-nigrosin staining and the Burker counting chamber, respectively. These data were correlated with the lean meat percentage, loin eye depth and backfat thickness using linear mixed models taking into account the clustering of boars within each AI center and the daily measurements for each semen dose. The mean values (+/- SD) on Day 0 were: motility 79.7 +/- 8.2%, live sperm 91.5 +/- 4.3%, live normal sperm 83.6 +/- 7.4%, and concentration 29.0 +/- 10.6 (x10(6) sperm/mL). The average five-day motility across all AI centers was 77.7 +/- 8.9%. None of the assessed semen quality traits were associated with lean meat percentage. Motility and progressive motility on Day 0 were positively associated with backfat thickness (P < 0.05), while no overall negative associations were elucidated between the latter semen quality traits and loin eye depth. The percentages of live and normal live sperm were not correlated with backfat thickness nor loin eye depth. To conclude, selection of terminal Belgian Pietrain boars for reduced backfat thickness might negatively influence semen motility, whereas selection for increased lean meat percentage and loin eye depth would not necessarily compromise semen quality traits.
Keywords
Belgian Pietrain boars, Semen quality, Meat quality, Phenotypic associations, GENETIC SELECTION, AI CENTERS, TAINT, EXTENDERS, PIGS, PERFORMANCES, FERTILITY, MOTILITY, STORAGE, IMPACT

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Chicago
Arsenakis, Ioannis, Ruth Appeltant, Steven Sarrazin, Tom Rijsselaere, Ann Van Soom, and Dominiek Maes. 2017. “Relationship Between Semen Quality and Meat Quality Traits in Belgian Piétrain Boars.” Livestock Science 205: 36–42.
APA
Arsenakis, I., Appeltant, R., Sarrazin, S., Rijsselaere, T., Van Soom, A., & Maes, D. (2017). Relationship between semen quality and meat quality traits in Belgian Piétrain boars. LIVESTOCK SCIENCE, 205, 36–42.
Vancouver
1.
Arsenakis I, Appeltant R, Sarrazin S, Rijsselaere T, Van Soom A, Maes D. Relationship between semen quality and meat quality traits in Belgian Piétrain boars. LIVESTOCK SCIENCE. 2017;205:36–42.
MLA
Arsenakis, Ioannis, Ruth Appeltant, Steven Sarrazin, et al. “Relationship Between Semen Quality and Meat Quality Traits in Belgian Piétrain Boars.” LIVESTOCK SCIENCE 205 (2017): 36–42. Print.
@article{8541989,
  abstract     = {The main objective of this study was to assess the semen quality of Pietrain boars originating from Belgian AI centers and to correlate these results with their meat quality traits. Freshly diluted semen doses from 140 boars originating from 10 artificial insemination (AI) centers were used and stored for five days at 17 degrees C. Motility was assessed daily using a computer assisted semen analyzer (Hamilton-Thorne), while morphology and concentration were assessed on the day of semen collection (Day 0) by eosin-nigrosin staining and the Burker counting chamber, respectively. These data were correlated with the lean meat percentage, loin eye depth and backfat thickness using linear mixed models taking into account the clustering of boars within each AI center and the daily measurements for each semen dose. The mean values (+/- SD) on Day 0 were: motility 79.7 +/- 8.2\%, live sperm 91.5 +/- 4.3\%, live normal sperm 83.6 +/- 7.4\%, and concentration 29.0 +/- 10.6 (x10(6) sperm/mL). The average five-day motility across all AI centers was 77.7 +/- 8.9\%. None of the assessed semen quality traits were associated with lean meat percentage. Motility and progressive motility on Day 0 were positively associated with backfat thickness (P {\textlangle} 0.05), while no overall negative associations were elucidated between the latter semen quality traits and loin eye depth. The percentages of live and normal live sperm were not correlated with backfat thickness nor loin eye depth. To conclude, selection of terminal Belgian Pietrain boars for reduced backfat thickness might negatively influence semen motility, whereas selection for increased lean meat percentage and loin eye depth would not necessarily compromise semen quality traits.},
  author       = {Arsenakis, Ioannis and Appeltant, Ruth and Sarrazin, Steven and Rijsselaere, Tom and Van Soom, Ann and Maes, Dominiek},
  issn         = {1871-1413},
  journal      = {LIVESTOCK SCIENCE},
  keyword      = {Belgian Pietrain boars,Semen quality,Meat quality,Phenotypic associations,GENETIC SELECTION,AI CENTERS,TAINT,EXTENDERS,PIGS,PERFORMANCES,FERTILITY,MOTILITY,STORAGE,IMPACT},
  language     = {eng},
  pages        = {36--42},
  title        = {Relationship between semen quality and meat quality traits in Belgian Pi{\'e}train boars},
  url          = {http://dx.doi.org/10.1016/j.livsci.2017.09.009},
  volume       = {205},
  year         = {2017},
}

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