Salmon : biology, nutrition and consumption / Patrizio Lacopo and Marco Riemma, editors.

Format:

Book

Contributor:

Lacopo, Patrizio.

Riemma, Marco.

Series:

Fish, fishing and fisheries.

Fish, fishing and fisheries

Language:

English

Subjects (All):

Pacific salmon.

Pacific salmon fisheries.

Physical Description:

1 online resource (217 p.)

Edition:

1st ed.

Place of Publication:

Hauppauge, N.Y. : Nova Science Publishers, c2010.

Language Note:

English

Summary:

This text examines the feeding habits and trophic status of the Pacific salmon in different regions of the subarctic Pacific under the influence of changing environmental factors.

Contents:

Intro

SALMON BIOLOGY, NUTRITION AND CONSUMPTION

CONTENTS

PREFACE

Chapter 1 ATLANTIC SALMON (SALMO SALAR L.) FLESH QUALITY ROLE OF LYSOSOMAL CATHEPSINS B AND L IN MUSCLE DEGRADATION -

ABSTRACT

1. INTRODUCTION AND BACKGROUND

1.1. Aquaculture: Production of Atlantic Salmon

1.2. Atlantic Salmon Muscle Structure

1.3. Muscle Lysosomes and Lysosomal Cathepsins

1.3.1. Muscle lysosomes

1.3.2. Cathepsins

1.4. Calpains

1.5. Fish Quality and Some Influencing Factors

1.5.1. Super-chilling

1.5.2. Modified atmosphere packaging (MAP)

1.5.3. Pre-rigor filleting

1.5.4. Dietary lipids

1.5.5. Pre-slaughter stress

1.5.6. Muscle pH

1.5.7. Flesh texture and muscle integrity

2. MATERIALS AND METHODS

2.1. Fish and Experimental Settings

2.1.1. Study I: Super-chilling of atlantic salmon fillets (Bahuaud et al., 2008)

2.1.2. Study II: Dietary n-3 and n-6 fatty acids (Bahuaud et al., 2009b)

2.1.3. Study III: Short-term and long-term stress (Bahuaud et al., 2009a)

2.2. Analyses of Quality and Atlantic Salmon Muscle Structure

3. RESULTS AND DISCUSSION

3.1. Measurement of Cathepsin Activity in the Different Muscle Fractions

3.2. Study I: Super-Chilling (Bahuaud Et Al., 2008)

3.2.1. Ice crystal formation

3.2.2. Myofibre-myofibre Detachments

3.2.2. Myofibre-myocommata detachments

3.2.4. Myofibre breakages and liquid leakage

3.2.5. Contracted myofibres and fillet firmness

3.2.6. Cathepsin B+L activity in the lysosomal fraction

3.3. Study II: Dietary Lipid (N-6 and N-3 Fatty Acids) (Bahuaud Et Al., 2009b)

3.3.1. Fish and diets

3.3.2. Lipid class and total fatty acid compositions of the muscle Crude Lysosomal Fraction (CLF)

3.3.3. Microscopy of the muscle.

3.3.4. Cathepsin B+L, cathepsin B and cathepsin L total activities in muscle homogenates

3.3.5. Cathepsin B and cathepsin L relative gene expressions

3.4. Study III: Pre-Slaughter Crowding Stress (Bahuaud Et Al., 2009a)

3.4.1. pH of pre-rigor and post-rigor fillets

3.4.2. Fillet firmness of pre-rigor and post-rigor fillets

3.4.3. Myofibre-myofibre detachments in pre-rigor and post-rigor fillets

3.4.4. Myofibre-myocommata detachments in pre-rigor and post-rigor fillets

3.4.5. Myofibre breakages and contracted myofibres in pre-rigor and post-rigor fillets

3.4.6. Cathepsin activity and relative gene expression in pre-rigor fillets

3.4.7. Correlations between the quality traits and muscle degradation parameters in pre-rigor and post-rigor fillets

3.5. Summary of the three Studies and General Reflexions on Salmon Muscle Degradation

3.6. Effects of Super-Chilling

3.7. Effects of Dietary N-6 and N-3 Fatty Acids

3.8. Effects of Pre-Slaughter Crowding Stress

3.9. Potential Importance and Role of Lysosomal Cathepsins B and L in Degradation of Atlantic Salmon Muscle Structure

3.10. Other Considerations on Atlantic Salmon Flesh Quality

CONCLUSION

REFERENCES

Chapter 2 THE FEEDING HABITS OF PACIFIC SALMON, THEIR TROPHIC STATUS AND ROLE IN THE NORTH PACIFIC MARINE ECOSYSTEM

ABSTACT

INTRODUCTION

MATERIALS AND METHODS

RESULTS AND DISCUSSION

Features of the Pacific Salmon Feeding in Different Parts of the Far Eastern Seas and Northwest Pacific

Feeding of juvenile Pacific salmon

Okhotsk Sea

Western Bering Sea

Eastern Bering Sea

Northwest Pacific

Northwestern Japan Sea

Feeding of Pacific Salmon on Feeding Grounds and in Anadromous Migration

Pink salmon

Chum salmon

Sockeye salmon

Chinook salmon

Coho salmon

Masu salmon.

Role of Pacific Salmon in the North Pacific Marine Ecosystem

Chapter 3 APPLYING A PRECAUTIONARY APPROACH TO THE CONSERVATION OF ATLANTIC SALMON: ACTIONS, DISCUSSIONS AND EFFECTS FOR SEA-BASED SALMON FISHERIES IN NORWAY

SEA-BASED SALMON FISHERIES: THE HISTORY

REGULATIONS FOR THE SEA-BASED SALMON FISHERY

CO-MANAGEMENT ARRANGEMENTS IN THE INDUSTRY

CATCH AND PARTICIPATION

THE CULTURAL IMPORTANCE OF SEA-BASED SALMON FISHERIES

THE FUTURE OF THE SEA-BASED FISHERY FOR ATLANTIC SALMON

USER MOBILISATION

Chapter 4 DIETARY FISH OIL SUBSTITUTION WITH RAPESEED OIL ALTERS TISSUE FATTY ACID COMPOSITION, LIVER LIPID METABOLISM AND FLESH FAT OXIDATION IN POST-SMOLT ATLANTIC SALMON

MATERIAL AND METHODS

Fish Husbandry and Feeding

Biological Parameters and Sample Collection

Chemical Analysis of Flesh Samples and Lipid Peroxidation Assessment

Mitochondrial Preparations, Soluble Extracts and Enzyme Analyses

Statistical Analysis

ACKNOWLEDGMENTS

Chapter 5 POLYCYCLIC AROMATIC HYDROCARBON OCCURRENCE IN FRESH SALMONIDS

I. POLYCYCLIC AROMATIC HYDROCARBONS

I.1. PAHs as Environmental Contaminants

I.2. PAHs as Food Contaminants

II. INITIAL PAH CONTAMINATION OF SALMONIDS

II.1. Use of Salmonids as Matrix for the Monitoring of PAH Toxicity

II.2. Use of Salmonids as PAH Pollution Biomarkers

II.3. PAH Occurrence in Salmon Considered as Human Food Raw Material

III. ORIGINS OF RAW FISH PAH CONTAMINATION

III.1. PAH Contamination in Sediments and Water

III.2. Feed Contamination

Chapter 6 HIGH PRESSURE PROCESSING OF SALMON

EFFECTS OF HIGH-PRESSURE ON FOOD CONSTITUENTS

MICROORGANISMS

STRUCTURE.

Color Changes and Lipid Oxidation

Chapter 7 WELFARE EFFECTS OF SUPPLY EXPANSION WITH TRADE RESTRICTIONS: THE CASE OF SALMON*

MODEL

Specification

Parameterization

PRICE AND TRADE EFFECTS

WELFARE EFFECTS

Supply Expansion Effects

Tariff Effects

SENSITIVITY ANALYSIS

CONCLUDING COMMENTS

APPENDIX: SUPPLY SHIFT MEASUREMENT

Chapter 8 "SALMON SOVEREIGNTY" AND THE DILEMMA OF INTENSIVE ATLANTIC SALMON AQUACULTURE DEVELOPMENT IN BRITISH COLUMBIA

DISCUSSION

INDEX

Blank Page.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record; title from PDF title page, viewed (07/21/2020).

ISBN:

1-61324-677-3

OCLC:

777548916