Physical Property of Carp Muscle during Rigor Tension Generation

Nakayama, Teruo; Toyoda, T.; Ooi, Atsushi

doi:10.2331/fishsci.60.717

Cited by 20 publications

(15 citation statements)

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“…Stress and physical activity during transport usually lead to the loss of product quality, such as reducing fish freshness, softening muscle texture, and lowering filet yield. Exposure to stress can have an impact on the economics of fish aquaculture (Nakayama et al, 1994).The aim of this study was to assess a transport stress response, i.e. the effect of pre-transport manipulation procedures and long-distance transport per se, to some biochemical and haematological indices of three-years-old common carp, Cyprinus carpio (L).…”

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The effect of transport on biochemical and haematological indices of common carp (Cyprinus carpio L.)

Dobšíková¹,

Svobodová²,

Blahová³

et al. 2009

Czech J. Anim. Sci.

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ABSTRACT:The effect of 12 h transport on the biochemical and haematological profiles of three-years-old common carp was investigated. There was a significant increase (P < 0.01) in ammonia, chloride, phosphorus, lactate dehydrogenase, aspartate aminotransferase and creatine kinase, and a significant decrease (P < 0.05) in total proteins. The levels of glucose (P < 0.01), lactate (P < 0.05), alanine aminotransferase (P < 0.01) and calcium (P < 0.01) were also significantly changed, but no time-dependent relationships were found. Significant increases in haematocrit (P < 0.01) and metamyelocyte count (P < 0.05) were found. Mean corpuscular volume (P < 0.05) and counts of monocytes (P < 0.01), band neutrophils (P < 0.01) and segmented neutrophils (P < 0.05) were significantly changed independently of the transport duration. Since pre-transport manipulation and transport per se were found to be important stressors for three-years-old common carp, peri-transport disturbances should be minimized to ensure optimal fish welfare.Keywords: erythrocyte profile; common carp; Cyprinus carpio; leukocyte profile; plasma biochemical indices; stress response 511Czech J. Anim. Sci., 54, 2009 (11): 510-518 Original Paper of adrenalin and cortisol, followed by secondary changes in blood and tissues, such as hyperglycaemia, hyperlactaemia, hypercholesterolaemia, changes in blood plasma enzyme activities and ion concentrations, reduced glycogen content of muscle and liver, increased metabolic rate, and shifts in haematological profiles and immunological capacity (Stave and Robertson, 1985; Staurnes et al.1994).The acute primary physiological response of fish to netting, handling and transport returns to normal levels within 6-24 h. However, physiological recovery may take 10-14 days if the stressors persist and are not lethal (Schreck et al., 1997). Stress and physical activity during transport usually lead to the loss of product quality, such as reducing fish freshness, softening muscle texture, and lowering filet yield. Exposure to stress can have an impact on the economics of fish aquaculture (Nakayama et al., 1994).The aim of this study was to assess a transport stress response, i.e. the effect of pre-transport manipulation procedures and long-distance transport per se, to some biochemical and haematological indices of three-years-old common carp, Cyprinus carpio (L). Transport water quality was also monitored. MATERIAL AND METHODSThe experiment was carried out on common carp transported from storage ponds of the commercial fish farm in Hluboká nad Vltavou (Czech Republic) via Brno (Czech Republic) to a fish pond in Boheľov (Slovakia). Fish were transported in 2.2 m 3 transport tanks (AGK Kronawitter GmbH, Germany), at a density of 364 kg body weight per m 3 .Duration of transport was 12.5 h, comprising 7 h from Hluboká nad Vltavou to Brno and 5.5 h from Brno to Boheľov. Tanks were continuously oxygenated during transport. In Boheľov, the carp were released from the tanks through a hose into a fish pond. Throughout the experim...

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The effect of transport on biochemical and haematological indices of common carp (Cyprinus carpio L.)

Dobšíková¹,

Svobodová²,

Blahová³

et al. 2009

Czech J. Anim. Sci.

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“…The pre-rigor period must be long enough to ensure that bleeding, gutting, washing, chilling and packing take place before the onset of rigor mortis. Ante-mortem handling stress has also adverse effects on product quality such as reducing fish freshness and softening muscle texture (Izquierdo-Pulido et al 1992;Nakayama et al 1994).…”

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Stress Response to Long Distance Transportation of Common Carp (Cyprinus carpio L.)

et al. 2006

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The stress responses and changes in biochemical and haematological indices were investigated in three-year-old common carp (Cyprinus carpio L.) during a long-distance transportation in special truck tanks. Twelve-hour transportation caused a significant increase in ammonia (p < 0.01), mean corpuscular volume MCV (p < 0.01), metamyelocytes ( p < 0.05) and band neutrophils (p < 0.01), and a significant decrease in Cl -(p < 0.05), lactate (p < 0.05), ALT (p < 0.05) and ALP (p < 0.01) levels. The values of LDH (p < 0.01), AST (p < 0.05), CK (p < 0.01) and haematocrit PCV (p < 0.05) were also significantly influenced by the transportation, but no time-dependent relation was found. On the contrary, the levels of cortisol, glucose and total protein in the biochemical profile, and the values of erythrocyte count (RBC), haemoglobin (Hb), mean corpuscular haemoglobin (MCH), mean corpuscular haemoglobin concentration (MCHC), leukocyte counts (WBC) and leukogram (except for metamyelocytes and band neutrophils) in the haematological profile were not significantly influenced by the transportation. Results showed that pre-transport fish manipulation (hauling, netting, handling, loading) was found to be an important stressor for fish. Long-distance transportation itself was relatively considerate for the common carp tested.

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“…1993; Skjervold et al. 2001), thus improving the freshness characteristics of stored fish (Nakayama et al. 1994; Robb et al.…”

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CHANGES IN MUSCLE PROPERTIES DURING POSTMORTEM STORAGE OF FARMED SEA BREAM (SPARUS AURATA)

Suárez¹,

Martı́nez²,

Sáez³

et al. 2011

J Food Process Engineering

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This study assesses the effects of storage temperature on postmortem changes in textural parameters (firmness, water holding capacity), and their relationship with biochemical and electrophoretic determinations (muscle collagen content and solubility, amount and integrity of sarcoplasmic and myofibrillar proteins) in sea bream muscle. Storage at 1C resulted in a prolongation of the firmness compared with 4C, with no noticeable changes in water holding capacity. This delay in muscle softening at 1C could be partially explained by a limited proteolysis of some myofibrillar proteins, although inconsistent tendency was observed for other fractions. In contrast, the rate of muscle collagen degradation was higher at 4C compared with 1C, this becoming the main contributing factor to firmness losses. The great variety of protein fractions separated electrophoretically, and the relatively minor and contradictory changes observed suggest the unfeasibility of electrophoresis as a routine procedure for studying freshness in stored sea bream. PRACTICAL APPLICATIONS According to the results obtained, it is strongly recommended that the storage of sea bream (Sparus aurata) throughout the commercial chain is carried out at 1C, instead of the usual temperature of 4C. This modification clearly delays the process of muscle softening, thus improving objective quality in this species. The electrophoretic separation of muscle proteins has been previously proposed as a suitable procedure for assessing the freshness of fish during cold storage. However, the results obtained here indicate that the attempts aimed to the development of an electrophoretic procedure for detecting modifications in muscle proteins that could be correlated with flesh textural properties were unsuccessful. This is especially true if short‐term deterioration is assessed.

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Physical Property of Carp Muscle during Rigor Tension Generation

Cited by 20 publications

References 9 publications

The effect of transport on biochemical and haematological indices of common carp (Cyprinus carpio L.)

The effect of transport on biochemical and haematological indices of common carp (Cyprinus carpio L.)

Stress Response to Long Distance Transportation of Common Carp (Cyprinus carpio L.)

CHANGES IN MUSCLE PROPERTIES DURING POSTMORTEM STORAGE OF FARMED SEA BREAM (SPARUS AURATA)

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