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Low birth weight is associated with enlarged muscle fiber area and impaired meat tenderness of the longissimus muscle in pigs.
A lower tenderness of meat from pigs that had a low birth weight is demonstrated, partly as a result of their enlarged myofibers at market weight, as well as for LM drip losses. Expand
Influence of piglet birth weight on postnatal growth performance, tissue lipogenic capacity and muscle histological traits at market weight
Whether histological modifications of piglet birth weight influenced growth performance, tissue lipogenic capacity and muscle characteristics at slaughter remains to be established. Expand
How Muscle Structure and Composition Influence Meat and Flesh Quality
Interestingly, the biochemical and structural characteristics of muscle fibers, intramuscular connective tissue, and intramuuscular fat appear to play independent role, which suggests that the properties of these various muscle components can be independently modulated by genetics or environmental factors to achieve production efficiency and improve meat/flesh quality. Expand
Muscle characteristics and meat quality traits are affected by divergent selection on residual feed intake in pigs.
Residual feed intake (RFI) is defined as the difference between the observed feed intake and that expected based on requirements for maintenance and production. A divergent selection was conductedExpand
Effect of feed restriction on hormones, performance, carcass traits, and meat quality in immunocastrated pigs.
The aim of this study was to assess the effect of feed restriction applied to immunocastrated pigs in the period after the second vaccination (V2) against GnRH on hormonal status, performance,Expand
Influence of age and genotype on endocrine parameters and growth performance: a comparative study in Wild boars, Meishan and Large White boars
It is concluded, that the growth potential of LW is mainly due to low levels of cortisol, whereas the intermediate performance of MS is explained by high levels of anticatabolic androgens, which counteract cortisol but also limit food intake. Expand
Review: divergent selection for residual feed intake in the growing pig
Understanding the relationships between RFI and responses to stress and energy demanding processes, as such immunity and lactation, remains a major challenge for a better understanding of the underlying biological mechanisms of the trait and to reconcile the experimental results with the resource allocation theory. Expand
Number of intramuscular adipocytes and fatty acid binding protein-4 content are significant indicators of intramuscular fat level in crossbred Large White x Duroc pigs.
The current study suggests that FABP-4 protein content may be a valuable marker of lipid accretion in LM and that i.m. fat content and myofiber type composition can be manipulated independently. Expand
Mechanisms by which somatotropin decreases adipose tissue growth.
Little is understood about the somatotropin (ST) intracellular signal pathway(s) that mediate the biological effects of ST, but it is likely that ST decreases transcription of important insulin-responsive genes such as the muscle-adipose tissue transporter gene (GLUT4) and key lipogenic enzymes. Expand
A transcriptome multi-tissue analysis identifies biological pathways and genes associated with variations in feed efficiency of growing pigs
Non-productive functions such as immunity, defense against pathogens and oxidative stress contribute likely to inter-individual variations in feed efficiency. Expand