Aquaculture Canada 2004 Proceedings of Contributed Papers

AAC Special Publication No. 9

 Proceedings of Contributed Papers / Comptes rendues des articles contribuées The 21st Annual Meeting of the Aquaculture Association of Canada, Quebec City, QC, Québec City,Le Fairmont Château Frontenac, October 17-20, 2004. C.I. Hendry, editor / C.I. Hendry, rédacteur
ISBN 0-9694597-8-5
Printed by Transcontinental Printing, Moncton, NB / Imprimé par Transcontinental Printing, Moncton, NB
© 2005 Aquaculture Association of Canada / © 2005 L’Association aquacole du Canada
Printed in Canada / Imprimé au Canada
Front cover: Logo designed by Ken Albrecht.

President’s Report / Rapport de la Présidente............................................................................................................... 6
Dr Sharon McGladdery, AAC President 2003-2004
Aquaculture CanadaOM 2004 Awards / Prix d'Aquaculture Canadamo 2004 ..........................................................8
Student Affairs / Affaires Étudiantes...................................................................................................................................11
AC04 Committees / Comités d'AC04................................................................................................................................14
AAC2003-2004 Board of Directors / Conseil d'administration ....................................................................................15
AC04 Partners and Sponsors / Partenaires et Commanditaires d'AC04 .................................................................16
Calendar / Calendrier ..........................................................................................................................................................143
Aqua-L.....................................................................................................................................................................................144
 

Salmonid Aquaculture / Salmoniculture
Effect of Size and Diet on Seawater Mortality of Triploid Brook Charr (Salvelinus fontinalis).................................17
RM Bendezu-Lopez, NR Le François, and SG Lamarre
 

Phytoplankton Early Warning Approaches for Salmon Farmers in Southwestern New Brunswick ....................20
BD Chang, FH Page, JL Martin, G Harrison, E Horne, LE Burridge, MM LeGresley, AR Hanke, P McCurdy, and JA Smith
 

Temperature Preference of Two Strains of Brook Trout (Salvelinus fontinalis).......................................................24
Robyn O’Keefe and Tillmann Benfey
 

Characteristics of Alexandrium fundyense Blooms that Affect Caged Salmon in the Bay of Fundy....................27
FH Page, A Hanke, JL Martin, M LeGresley, and B Chang
 

Rearing Opportunities of a Northern Strain of Brook Charr (Salvelinus fontinalis).................................................31
Pierre Pelletier, Lars E. Hansen, and André Dumas
 

Marine Finfish Aquaculture / Cultures des Poissons Marins
 

Growth Performance and Survival of Atlantic Halibut (Hippoglossus hippoglossus) Grown in
Submerged Net Pens.........................................................................................................................................................35
W Huntting Howell and Michael D Chambers
 

Indirect Feminization of Atlantic Halibut (Hippoglossus hippoglossus): The Mechanism of Sex
Determination and Production of Functional Sex-Reversed Females .....................................................................38
DJ Martin-Robichaud, TJ Benfey, CI Hendry, H Tvedt, and M Reith
 

Clam Culture / Culture des Bivalves Fouisseur
 

Soft-Shell Clam, Mya arenaria, Mariculture in Maine, USA: Opportunities and Challenges.................................41
Brian F Beal
 

Benthic Collection of Mya arenaria: A Promising Approach for Spat Supply in Îles-de-la-Madeleine

(Southern Gulf of St. Lawrence) .......................................................................................................................................45
Lise Chevarie and Bruno Myrand

Influence de Variables Physiques et Biologiques sur le Temps d’Enfouissement de la Mye Commune (Mya arenaria) ................................................................................................................................................................................................49
Julie Pariseau, Bruno Myrand, Gaston Desrosiers, Lise Chevarie, et Michel Giguère
Mesures de la Dispersion de Myes Communes (Mya arenaria) Ensemencées dans le Barachois
de La Malbaie, Québec.......................................................................................................................................................53
B Thomas, M Giguère, et S Brulotte

Mussel Culture / Mytiliculture
 

Open-sea Culture of Mussels (Mytilus edulis) in Îles-de-la-Madeleine: APromising Avenue..............................56
François Bourque, Bruno Myrand, and Guglielmo Tita
 

The Size Refuge against Rock Crab (Cancer irroratus) Predation is not Totally Reached by
Commercial-Sized Mussels (Mytilus edulis).................................................................................................................60
Bruno Myrand and François Bourque
 

La Dépuration en Vrac et l’Entreposage Humide de la Moule Bleue (Mytilus spp.) en Gaspésie, QC,
Canada – de la Démonstration Expérimentale à l’Implantation Commerciale, 2002-2003...............................64
Marcel Roussy, Marie-Hélène Deschamps, Françoise Tétreault, et Francis Coulombe
 

Comparative Rates of Byssal Thread Production and Crawling Speed in Hatchery-Produced
Mytilus trossulus and Mytilus edulis under Varying Salinity, Temperature, and Feeding Conditions................68
K Sullivan and C Couturier
 

Scallop Culture / Culture des Pétoncles
 

Improving the Quality of Sea Scallop (Placopecten magellanicus) Spat Collection by a More
Accurate Determination of the Immersion Period of Collectors in Îles-de-la-Madeleine, Québec, Canada ................................................................................................................................................................................................71
Carole Cyr, Georges Cliche, Gaston Desrosiers, and Bruno Myrand
 

Identifying Commercially Viable Sea Scallop (Placopecten magellanicus) Spat Sites........................................75
Leslie-Anne Davidson, Monique Niles, and G. Jay Parsons
 

AComparison between Different Scallop Spat Collector Designs............................................................................78
MM Niles, L-A Davidson, and R Caissie
 

Bilan des Activités de Captage du Pétoncle Géant (Placopecten magellanicus) Réalisées entre
1999 et 2004 en Gaspésie, Québec...............................................................................................................................81
B Thomas, M Giguère, et S Brulotte
 

Aquaculture Nutrition / Nutrition en Aquaculture
 

Optimisation de la Production de Microcapsules de Phytase par Séchage par Atomisation.............................84
S Benchabane, GW Vandenberg, et M Subirade
 

Effect of Dietary Levels of Herring Meal on Apparent Protein Digestibility by Juvenile Haddock,
Melanogrammus aeglefinusL..........................................................................................................................................88
Jeong-Dae Kim, Santosh P. Lall, and Sean M. Tibbetts
 

Growth and Survival Improvement of Spotted Wolffish (Anarhichas minor) during First-Feeding:
ANutritional Approach ........................................................................................................................................................91
A Savoie, NR Le François, C Cahu, and PU Blier
 

Effect of Dietary Lipid on Prevalence of Fatty Liver Condition in Juvenile Haddock,
Melanogrammus aeglefinusL.........................................................................................................................................94
Carla M Walbourne and Santosh P Lall

Aquatic Animal Health / Santé des Animaux Aquatiques
 

The Efficacy of Oral Immunostimulants in Enhancing Resistance against Microsporidiosis in
Juvenile Atlantic Cod (Gadus morhuaL.).......................................................................................................................97
Cris S Jenkins and Duane E Barker
 

Simplified Illustrated Sea Lice Identification Guide for Lepeophtheirus salmonis and Caligus clemensi
in British Columbia, Canada..........................................................................................................................................'101
 

Kevin G Butterworth, Jesse D Ronquillo, and R Scott McKinley
Proteomic Identification of Acute Phase Reactants in Plasma of Rainbow Trout
(Oncorhynchus mykiss)...................................................................................................................................................104
S Russell, MA Hayes, E Simko, and JS Lumsden
 

Efficacy of Crushed Garlic and Lemon Juice as Bio-product Treatments for Ichthyophthirius
multifiliis (‘ich’) Infections among Juvenile Nile Tilapia, Oreochromis niloticus..................................................108
CK Soko and DE Barker
 

Stress Evaluation in Cultivated Scallops, Placopecten magellanicus, and Oysters,
Crassostrea virginica, using Lysosomal Destabilization Assays...........................................................................111
S Synard, C Couturier, and J Burry
 

Algal Cultivation / Production des Algues
 

AComparison of Natural and Artificial Seawater for Algal Growth............................................................................114
Catherine Enright, Audrie-Jo Vink, and Jennifer Harrison
 

Potential for Freezing and Freeze-Drying as Methods for Preserving Microalgal Concentrates in
Bivalve Hatcheries............................................................................................................................................................117
GE MacDonald and CE Enright
 

Aquaculture Engineering / Génie Aquacole
 

A New Model for Predicting the Expansion of Fluidized Bed Biofilters...................................................................120
Zhijie Ma, Michel Couturier, and Ying Zheng
 

Consideration of Turbulence in Calibration of Plaster Blocks Used for Flow Measurement.............................124
D Munroe and RS McKinley
 

Integrated Multitrophic Aquaculture / Aquaculture Multi-trophique Intégrée
 

The Role of Blue Mussel (Mytilus edulis), Kelp (Laminaria saccharina), and Biofouling on the
Dissolved Oxygen Budget of Integrated Multi-Trophic (Salmon-Mussel-Seaweed) Aquaculture ....................127
JF Piercey, FH Page, BA MacDonald, and T Chopin
 

Aquaculture Risk Communications / La Communication des Risques en Aquaculture
 

Risk Communication in the Aquaculture Sector: The Role of the Scientist..........................................................131
Guy Gilron, Josephine Archbold, Suzanne Goldacker, and Rob Willis
 

Socioeconomics of Aquaculture / Socio-économie de l'Aquaculture
 

Canada and Viet Nam: Two Views of Marine Aquaculture and Its Importance to Our Coastal
Communities and Economies.....................................................................................................................................135
LC Halfyard, MJ Akester, SM Christensen, and D Fezzardi
 

Organic and Beyond the Box:Some Perspectives on Niche Marketing Aquaculture.........................................139
James A Young and James F Muir

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