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Updated: May 9, 2026

Exploring the Longissimus Muscle: Unraveling its Correlation with Meat Quality in Bos indicus and Crossbred Bulls
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Relationship between gilt behavior and meat quality using principal component analysis.

R Ros-Freixedes1, L J Sadler, S K Onteru

  • 1Departament de Producció Animal, Universitat de Lleida, 191 Rovira Roure, 25198 Lleida, Spain.

Meat Science
|August 8, 2013
PubMed
Summary
This summary is machine-generated.

Pig behavior impacts welfare and performance, but its link to meat quality is unclear. Higher feed intake in gilts correlated with increased intramuscular fat and better meat quality traits like juiciness and tenderness.

Keywords:
Activity scoresConflict–avoidanceIntramuscular fatPorkTendernessWater-holding capacity

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Area of Science:

  • Animal Science
  • Food Science
  • Behavioral Science

Background:

  • On-farm pig behavior significantly influences animal welfare and productivity.
  • The direct relationship between pig behavior and meat quality remains incompletely understood.
  • Understanding these connections can optimize both animal husbandry and product value.

Purpose of the Study:

  • To investigate the association between pig behavior (feeding patterns, scale activity, social interactions) and meat quality traits.
  • To identify behavioral indicators that may predict desirable meat characteristics.
  • To clarify the complex interplay between gilt behavior and final meat attributes.

Main Methods:

  • Principal component analysis (PCA) was employed to analyze data.
  • Collected data included meat quality parameters, feeding behavior, scale activity, and conflict-avoidance interactions.
  • PCA identified key patterns linking behavioral variables to meat characteristics.

Main Results:

  • Higher daily feed intake in gilts was associated with increased intramuscular fat (IMF), lighter meat color, and improved juiciness, tenderness, chewiness, and flavor.
  • Lower scale activity scores in gilts showed a trend towards higher IMF but also greater drip losses (DL).
  • Dominant gilts exhibited priority access to feeders, leading to increased feed intake and fat deposition.

Conclusions:

  • Gilt scale activity and conflict-avoidance behaviors showed limited predictive value for most meat quality attributes, with only slight associations with IMF and DL.
  • Feeding patterns, particularly daily feed intake, appear more strongly linked to specific meat quality traits.
  • Further research may be needed to fully elucidate the behavioral underpinnings of meat quality in pigs.