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Using sensors to detect individual responses of lambs during transport and pre-slaughter handling and their relationship with meat quality

Published online by Cambridge University Press:  01 January 2023

S Ogun
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
I Viola
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
M Obertino
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
I Manenti
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
U Ala
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
A Brugiapaglia
Affiliation:
DISAFA, University of Turin, Grugliasco (TO), Italy
L Battaglini
Affiliation:
DISAFA, University of Turin, Grugliasco (TO), Italy
G Perona
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
M Baratta*
Affiliation:
Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy Department of Chemistry, Life Science and Environmental Sustainability, SCVSA, University of Parma, Italy
*
* Contact for correspondence: mario.baratta@unipr.it
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Abstract

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Rapid analysis of animal welfare is a crucial component of the assessment of the meat quality supply chain, ensuring management procedures confer optimum standards of welfare. Further, there is increasing interest in monitoring the welfare state of each individual animal. This study looked at transport and pre-slaughter management in terms of meat quality evaluated in two breeds (Biellese and Sambucana) across two different farming systems. Precision Livestock Farming (PLF) technologies were implemented, including accelerometer and rumination activity ear-tag sensors, as potential welfare indicators during transportation and pre-slaughter. Significant correlations were found between sensors’ parameters, such as total activity and rumination and physical and chemical meat quality characteristics such as drip loss. Lambs with lower rumination and/or lower total activity were found to have lower drip loss indicating reduced meat quality. Sensors have the potential to help detect those animals particularly sensitive to stressors during transport and pre-slaughter handling and may allow real-time measurement of the impact of transport and handling in abattoirs, enabling better animal management via specific customised strategies.

Information

Type
Research Article
Copyright
© 2022 Universities Federation for Animal Welfare
Supplementary material: File

Ogun et al. supplementary material

Figure S3(a) The graph indicates with a blue line (hourly daily average) and orange line (hourly median) the representative cyclical trend detected by the sensors of ruminal activity during 10 days in the third month of rearing of Sambucana lambs.
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Supplementary material: File

Ogun et al. supplementary material

Table S4 Data from the analysis of the physical and chemical characteristics of meat from 12 Biellese lambs.
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Supplementary material: File

Ogun et al. supplementary material

Table S5 Data from the analysis of the physical and chemical characteristics of meat from 10 Sambucana lambs.
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