The effect of transportation on the juvenile scallop Pecten maximus (L.)
Identifieur interne : 001634 ( Main/Exploration ); précédent : 001633; suivant : 001635The effect of transportation on the juvenile scallop Pecten maximus (L.)
Auteurs : Julie A. Maguire [Irlande (pays)] ; Deborah Cashmore [Royaume-Uni] ; Gavin M. Burnell [Irlande (pays)]Source :
- Aquaculture Research [ 1355-557X ] ; 1999-05.
Abstract
At the present time, there is little information concerning the effect of transport on the physiology of scallops. Therefore, the overall objective of this study was to use the adenylic energetic charge (AEC) as an indicator of stress in scallops. Three transport trials were carried out: dry transport in polystyrene boxes containing seaweed and transport by vivier lorry at various densities. Post‐transport scallop mortality was low for all trials, but the AEC results showed that scallop stress was reduced when animals were transported by vivier truck compared with dry transport. AEC levels in scallops remained high after 24.75 h of vivier transport in trial 2 (0.54–0.69) and after 17 h of vivier transport in trial 3 (0.79–0.82), whereas after 12 h of dry transport in trial 1, AEC levels in the striated muscle had decreased to 0.42. Ammonia concentration increased throughout the trials but did not appear to affect scallop survival in the short term. In general, the results indicate that greater survival can be achieved over longer distances (greater than 17 h) and at higher densities by vivier truck. However, better stability of holding units within tanks and a method to regulate ammonia and pH levels are needed if greater densities are used.
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DOI: 10.1046/j.1365-2109.1999.00332.x
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Therefore, the overall objective of this study was to use the adenylic energetic charge (AEC) as an indicator of stress in scallops. Three transport trials were carried out: dry transport in polystyrene boxes containing seaweed and transport by vivier lorry at various densities. Post‐transport scallop mortality was low for all trials, but the AEC results showed that scallop stress was reduced when animals were transported by vivier truck compared with dry transport. AEC levels in scallops remained high after 24.75 h of vivier transport in trial 2 (0.54–0.69) and after 17 h of vivier transport in trial 3 (0.79–0.82), whereas after 12 h of dry transport in trial 1, AEC levels in the striated muscle had decreased to 0.42. Ammonia concentration increased throughout the trials but did not appear to affect scallop survival in the short term. In general, the results indicate that greater survival can be achieved over longer distances (greater than 17 h) and at higher densities by vivier truck. However, better stability of holding units within tanks and a method to regulate ammonia and pH levels are needed if greater densities are used.</div></front></TEI><affiliations><list><country><li>Irlande (pays)</li><li>Royaume-Uni</li></country></list><tree><country name="Irlande (pays)"><noRegion><name sortKey="Maguire, Julie A" sort="Maguire, Julie A" uniqKey="Maguire J" first="Julie A." last="Maguire">Julie A. Maguire</name></noRegion><name sortKey="Burnell, Gavin M" sort="Burnell, Gavin M" uniqKey="Burnell G" first="Gavin M." last="Burnell">Gavin M. Burnell</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Cashmore, Deborah" sort="Cashmore, Deborah" uniqKey="Cashmore D" first="Deborah" last="Cashmore">Deborah Cashmore</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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