Genetic Factors Affecting Muscle and Meat Quality in Pigs
Author Information
Author(s): Wimmers Klaus, Fiedler Ilse, Hardge Torsten, Murani Eduard, Schellander Karl, Ponsuksili Siriluck
Primary Institution: Research Institute for the Biology of Farm Animals (FBN)
Hypothesis
The study aims to identify quantitative trait loci (QTL) for microstructural muscle properties and meat quality traits in pigs.
Conclusion
Genetic variation at many loci throughout the genome influences microstructural properties of pig muscle and meat quality.
Supporting Evidence
- Five significant and 42 suggestive QTL for muscle fibre composition were identified.
- Five significant and twelve suggestive QTL for body composition and meat quality traits were found.
- The study revealed that QTL for microstructural properties explained a larger proportion of variance than QTL for meat quality.
Takeaway
Scientists studied pigs to find out which genes affect how their muscles and meat quality are formed.
Methodology
A QTL scan was conducted in a porcine experimental population based on Duroc and Berlin Miniature Pig using line-cross and half-sib models.
Limitations
The number of animals with muscle fibre phenotypes was lower than those with meat quality phenotypes, potentially affecting the power of the analysis.
Participant Demographics
The study involved a three-generation porcine F2 population derived from Duroc and Berlin Miniature Pig breeds.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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