Data/hora: 06/06/2024 11:34:02

Provedor de dados: 	5	
País: 	France	
Título: 	Physiological and biochemical indicators of mussel seed quality in relation to temperatures	
Autores: 	Tremblay, Rejean; Landry, Thomas; Leblanc, Neil; Pernet, Fabrice; Barkhouse, Carla; Sevigny, Jean-marie.	
Data: 	2011-07	
Ano: 	2011	
Palavras-chave: 	Wild seed; Aquaculture; Physiological fitness; Growth; Survival; Multi-locus heterozygosity; Mytilus spp.	
Resumo: 	The bivalve's aquaculture industry is an important component of the economy in Eastern Canada. Seed collection is an initial and critical activity in most bivalve aquaculture industries including mussel farming in Prince Edward Island, production is entirely dependent on natural spat collection. Although seed supply is not a concern from a quantitative standpoint, there are growing concerns about the quality of natural seed. The general objective of this study was to identify and assess mussel seed quality criteria on the basis of physiological and biochemical status under laboratory and field conditions. The performance, as estimated by metabolic measurements, lipid class composition, multi-locus heterozygosity (MLH) and survival to stressful environment of seed from 6 different stocks sources was first compared under laboratory conditions at 12 degrees C and 25 degrees C. Results showed that MLH varied among the six sources of mussels in a way which is consistent with the physiological and biochemical indicators of seed quality. Mussels from Shippagan (New Brunswick) and Tracadie (Prince Edward Island) were found to have the highest quality scores and the best adaptive capacity to extreme water temperature under laboratory conditions. The results of the stock-site reciprocal field studies are in general agreement with those of the laboratory experiments with higher survival of mussels from Shippagan, Tracadie and St. Peters Bays in the various study sites. Our results suggest that the measure of MLH and survival curves at stressful temperature could be a good criteria combination to identify the improved survival potential of mussels stocks.	
Tipo: 	Text	
Idioma: 	Inglês	
Identificador: 	http://archimer.ifremer.fr/doc/00051/16232/13754.pdf

DOI:10.1051/alr/2011113	
Editor: 	Edp Sciences S A	
Relação: 	http://archimer.ifremer.fr/doc/00051/16232/	
Formato: 	application/pdf	
Fonte: 	Aquatic Living Resources (0990-7440) (Edp Sciences S A), 2011-07 , Vol. 24 , N. 3 , P. 273-282	
Fonte: 	EDP Sciences, IFREMER, IRD 2011