The impact of beef cattle temperament assessed using flight speed on muscle glycogen, muscle lactate and plasma lactate concentrations at slaughter

S.V. Coombes; G.E. Gardner; D.W. Pethick; P. McGilchrist

doi:10.1016/j.meatsci.2014.06.029

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The impact of beef cattle temperament assessed using flight speed on muscle glycogen, muscle lactate and plasma lactate concentrations at slaughter

Journal article

Open access

Peer reviewed

The impact of beef cattle temperament assessed using flight speed on muscle glycogen, muscle lactate and plasma lactate concentrations at slaughter

S.V. Coombes, G.E. Gardner, D.W. Pethick and P. McGilchrist

Meat Science, Vol.98(4), pp.815-821

2014

DOI: https://doi.org/10.1016/j.meatsci.2014.06.029

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Abstract

This study evaluated the effect of animal temperament measured using flight speed (FS) on plasma lactate, muscle glycogen and lactate concentrations at slaughter plus ultimate pH in 648 lot finished cattle of mixed breed and sex. Muscle samples were collected at slaughter from the m. semimembranosus, m. semitendinosus and m. longissimus thoracis (LT) for analysis of glycogen and lactate concentration. Blood was collected after exsanguination and analysed for plasma lactate concentration and ultimate pH of the LT was measured. FS had no effect on muscle glycogen concentration in any muscle or ultimate pH of the LT (P. >. 0.05). As FS increased from 1 to 5. m/s, plasma and muscle lactate concentration increased by 54% and 11.4% (P. <. 0.01). The mechanisms through which temperament contributes to variation in glycogen metabolism remain unclear. The risk of dark cutting was not impacted by temperament, indicating that other production and genetic factors have a greater impact on the incidence of dark cutting.

Details

Title: The impact of beef cattle temperament assessed using flight speed on muscle glycogen, muscle lactate and plasma lactate concentrations at slaughter
Authors/Creators: S.V. Coombes (Author/Creator) - Murdoch University
G.E. Gardner (Author/Creator) - Murdoch University
D.W. Pethick (Author/Creator) - Murdoch University
P. McGilchrist (Author/Creator) - Murdoch University
Publication Details: Meat Science, Vol.98(4), pp.815-821
Publisher: Elsevier BV
Identifiers: 991005542580307891
Murdoch Affiliation: School of Veterinary and Life Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.51 Dairy & Animal Sciences; 3.51.206 Meat Quality
Web Of Science research areas: Food Science & Technology
ESI research areas: Agricultural Sciences