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Volume 60, issue 2
Arch. Anim. Breed., 60, 61-70, 2017
https://doi.org/10.5194/aab-60-61-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 60, 61-70, 2017
https://doi.org/10.5194/aab-60-61-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Original study 11 Apr 2017

Original study | 11 Apr 2017

Effects of polymorphisms at LEP, CAST, CAPN1, GHR, FABP4 and DGAT1 genes on fattening performance and carcass traits in Simmental bulls

Sena Ardicli, Deniz Dincel, Hale Samli, and Faruk Balci Sena Ardicli et al.
  • Uludag University, Faculty of Veterinary Medicine, Department of Genetics, Nilufer/BURSA, 16059, Turkey

Abstract. The aim of this study was to investigate the effects of single nucleotide polymorphisms (SNPs) at six candidate genes (LEP, CAST, CAPN1, GHR, FABP4 and DGAT1) on fattening performance and carcass traits of Simmental bulls in Turkey. The analysis covered a total of 81 Simmental bulls grown on a private farm that were randomly selected for their fattening period for use in this study. Genotyping was performed using the PCR-RFLP method. The S20T polymorphism at the CAST gene and the G316A polymorphism at the CAPN1 gene were associated with variation in final weight, fattening period, weight gain and average daily gain (P<0.05). In addition, LEP A80V had a significant effect on hot and chilled carcass weight and dressing percentage (P<0.05). There was no association between GHR S555G, FABP4 V110M and DGAT1 K232A markers with the traits analysed. These results suggested that focusing on the novel effects of LEP, CAST and CAPN1 gene polymorphisms on meat production traits might be useful for marker-assisted selection in Simmental cattle.

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The present study was based on the association of polymorphisms at LEP, CAST, CAPN1, GHR, FABP4 and DGAT1 genes with fattening performance and carcass traits in Simmental bulls. Results indicated that final weight, fattening period, total weight gain and average daily gain differentiated the CAST and CAPN1 marker genotypes. Moreover, a novel effect of the LEP A80V on carcass weight and dressing percentage was observed. The results could be indicative for future studies on beef production.
The present study was based on the association of polymorphisms at LEP, CAST, CAPN1, GHR, FABP4...
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