Stress Proteins in Cull Cows: Relationship with Transport and Lairage Durations but Not with Meat Tenderness

M. Gagaoua; E.M.C. Terlouw; V. Monteils; S. Couvreur; B. Picard

Stress Proteins in Cull Cows: Relationship with Transport and Lairage Durations but Not with Meat Tenderness

In: 63rd International Congress of Meat Science and Technology

Authors:

M. Gagaoua

M. Gagaoua ¹UMR1213 Herbivores, INRA, VetAgro Sup, Clermont université, Université de Lyon, 63122 Saint-Genès-Champanelle, France

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E.M.C. Terlouw

E.M.C. Terlouw
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V. Monteils

V. Monteils ¹UMR1213 Herbivores, INRA, VetAgro Sup, Clermont université, Université de Lyon, 63122 Saint-Genès-Champanelle, France

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S. Couvreur

S. Couvreur ²URSE, Université Bretagne Loire, Ecole Supérieure d’Agricultures (ESA), 55 rue Rabelais, BP 30748, 49007 Angers Cedex, France; mohammed.gagaoua@inra.fr

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B. Picard

B. Picard ¹UMR1213 Herbivores, INRA, VetAgro Sup, Clermont université, Université de Lyon, 63122 Saint-Genès-Champanelle, France

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Type:: Chapter

Pages:: 427–428

DOI:: https://doi.org/10.3920/9789086868605_188

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This work used K-means (k=3) after PCA analysis on 109 PDO Maine-Anjou cows according to the abundances of small and large heat shock proteins (HSPs) in the Longissimus thoracis muscle. Classes LP (n=24) and SP (n=33) were characterized by greater abundances of large and small HSPs, respectively, while class IP (n=52) was intermediate. The classes were compared for the abundance of other proteins in the same muscle and for meat tenderness. The effects of pre-slaughter factors (transport and lairage durations) were also investigated. Meat tenderness did not differ for any comparison. Certain proteins were influenced by pre-slaughter conditions. Among them, H2AFX and µ-calpain were impacted by both factors. The possible role of H2AFX (H2A histone family, member) in the balance of various processes involved in meat tenderization is discussed.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

Subjects
- Life Sciences

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Stress Proteins in Cull Cows: Relationship with Transport and Lairage Durations but Not with Meat Tenderness

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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