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Titolo:
ARTIFICIAL FILAMENT BREAKAGE OF THE DIATOM SKELETONEMA-EOSTATUM INTENDED FOR MOLLUSK AQUACULTURE
Autore:
SAURIAU PG; BAUD JP;
Indirizzi:
IFREMER,CNRS,CTR RECH & ECOL MARINE & AQUACULTURE HOUMEAU,BP 5 F-17137 LHOUMEAU FRANCE IFREMER,EXPTL POLDER CHAMPS STN F-85230 BOUIN FRANCE
Titolo Testata:
Aquaculture
fascicolo: 1-2, volume: 123, anno: 1994,
pagine: 69 - 81
SICI:
0044-8486(1994)123:1-2<69:AFBOTD>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
DRIED-ALGAE DIETS; NUTRITIONAL-VALUE; MANILA-CLAM; RUDITAPES-PHILIPPINARUM; LARVAE; JUVENILES; BIVALVES; GROWTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
41
Recensione:
Indirizzi per estratti:
Citazione:
P.G. Sauriau e J.P. Baud, "ARTIFICIAL FILAMENT BREAKAGE OF THE DIATOM SKELETONEMA-EOSTATUM INTENDED FOR MOLLUSK AQUACULTURE", Aquaculture, 123(1-2), 1994, pp. 69-81

Abstract

Optimization of intensive rearing systems, especially those involved in yields of marketable sizes of bivalve-molluscs, must pass through several technical improvements. One such improvement is described here:it concerns the experimental use of a simple centrifugal pump that causes artificial breakage of the chains of the diatom Skeletonema costatum (Grev. ) Cleve used to feed adults of the Manila clam Ruditapes philippinarum (Adams and Reeve). The breakage process progressively reduced the size distribution of the algal particles but eliminated all algal chains longer than 60 mum. Scanning electron microscope (SEM) observations indicated that the breakage process impacts on both algal cells themselves (60% of broken structures)- and siliceous structures connecting sibling cells (40% of broken structures). Some expected implications of the breakage process are presented in connection with the intensive rearing system and nutritional requirements of Manila clam.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/12/20 alle ore 16:02:22