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Impact of Handling and Pre-Mortal Stress on the Flesh Quality of Common Carp (Cyprinus carpio L.)

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Title: Impact of Handling and Pre-Mortal Stress on the Flesh Quality of Common Carp (Cyprinus carpio L.)
Authors: Varga, Dániel
Szabó, András
Hanc, Csaba
Jeney, Zsigmond
Ardó, László
show 2 moreMolnár, Marcell
Molnár, Tamás

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Keywords: common carp
slaughter stress
flesh quality
LC Subject Headings: Fish culture--Israel.
Fish culture.
Issue Date: 2014
Abstract: The aim of this study was to investigate stress in common carp Cyprinus carpio L. caused by harvesting, transport, and the stunning method, and the effect of the latter on flesh quality Serum cortisol concentration increased during harvesting and transport. The percussive stunning (blow on head) method caused the least stress and resulted in a significant increase in blood cortisol concentration (P<0.01). This method had no significant effect on conventional flesh quality. CO2 asphyxiation which was more stressful delayed stiffening in rigor mortis development. The greatest stress was caused by live chilling. There was a decline of pH levels in the CO2 asphyxiated and live chilled groups compared to the percussive stunned group. According to our results percussive stunning led to the best fillet quality and is the least objectionable method according to animal welfare standards.
Pages/Duration: 6 pages
ISSN: 0792-156X
Appears in Collections:Volume 66, 2014

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