<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In the present study, two missense variants within <italic>ATGL</italic> (rs331307082) and <italic>MYOM1</italic> (rs326001585) genes were tested for their potential usage as genetic markers related to pig production traits. The genotyping was performed on 519 pigs representing 990 synthetic sire line. The association analysis indicated that <italic>ATGL</italic> gene affected the panel of fattening parameters (test daily gain, age at slaughter), meatiness traits (meat percentage in the carcasses; the weight of loin, ham and primary cuts, and loin eye area), and meat quality characteristics (water exudation). In turn, <italic>MYOM1</italic> polymorphism was related to loin weight, the weight of primary cuts and weight of loin backfat. Pigs with AA genotype were characterized by significantly higher loin and primary cut weights compared to opposite homozygotes GG (P&lt;0.05). The observed differences were 2.29 kg and 1.2 kg, respectively. Moreover, despite higher meatiness, AA animals together with AG were characterized by lower weight of loin backfat (P&lt;0.05) and average backfat thickness (P&lt;0.1) compared to GG pigs. The <italic>MYOM1</italic> polymorphism did not affect pork quality traits. The results allowed us to propose the new genetic markers which may be used in pig selection to obtain appropriate meatiness and fatness level in carcasses without decreasing meat quality.</p>
</abstract>

In the present study, two missense variants within ATGL (rs331307082) and MYOM1 (rs326001585) genes were tested for their potential usage as genetic markers related to pig production traits. The genotyping was performed on 519 pigs representing 990 synthetic sire line. The association analysis indicated that ATGL gene affected the panel of fattening parameters (test daily gain, age at slaughter), meatiness traits (meat percentage in the carcasses; the weight of loin, ham and primary cuts, and loin eye area), and meat quality characteristics (water exudation). In turn, MYOM1 polymorphism was related to loin weight, the weight of primary cuts and weight of loin backfat. Pigs with AA genotype were characterized by significantly higher loin and primary cut weights compared to opposite homozygotes GG (P<0.05). The observed differences were 2.29 kg and 1.2 kg, respectively. Moreover, despite higher meatiness, AA animals together with AG were characterized by lower weight of loin backfat (P<0.05) and average backfat thickness (P<0.1) compared to GG pigs. The MYOM1 polymorphism did not affect pork quality traits. The results allowed us to propose the new genetic markers which may be used in pig selection to obtain appropriate meatiness and fatness level in carcasses without decreasing meat quality.

The Potential Role of <italic>MYOM1</italic> and <italic>ATGL</italic> Genes in Pig Production Improvement

Faculty of Biotechnology and Horticulture

Annals of Animal Science

This work is licensed under the Creative Commons Attribution 4.0 International License.

The Potential Role of  and  Genes in Pig Production Improvement

In the present study, two missense variants within ATGL (rs331307082) and MYOM1 (rs326001585) genes were tested for their potential usage as genetic markers...

The Potential Role of MYOM1 and ATGL Genes in Pig Production Improvement

Publié en ligne: 05 août 2021

Pages: 833 - 842

Reçu: 08 juin 2020

Accepté: 07 sept. 2020

DOI: https://doi.org/10.2478/aoas-2020-0102

Mots clés
myomesin-1, adipose triglyceride lipase, selection, genetic marker

© 2021 Katarzyna Ropka-Molik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

The Potential Role of MYOM1 and ATGL Genes in Pig Production Improvement

Publié en ligne: 05 août 2021

Pages: 833 - 842

Reçu: 08 juin 2020

Accepté: 07 sept. 2020

DOI: https://doi.org/10.2478/aoas-2020-0102

Mots clésmyomesin-1, adipose triglyceride lipase, selection, genetic marker

© 2021 Katarzyna Ropka-Molik et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
myomesin-1, adipose triglyceride lipase, selection, genetic marker