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Titolo:
Intestinal microflora of fish larvae and fry
Autore:
Ringo, E; Birkbeck, TH;
Indirizzi:
Norwegian Coll Vet Med, Dept Arctic Vet Med, N-9005 Tromso, Norway Norwegian Coll Vet Med Tromso Norway N-9005 t Med, N-9005 Tromso, Norway Univ Glasgow, Div Infect & Immun, Glasgow G12 8QQ, Lanark, Scotland Univ Glasgow Glasgow Lanark Scotland G12 8QQ ow G12 8QQ, Lanark, Scotland
Titolo Testata:
AQUACULTURE RESEARCH
fascicolo: 2, volume: 30, anno: 1999,
pagine: 73 - 93
SICI:
1355-557X(199902)30:2<73:IMOFLA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
TURBOT SCOPHTHALMUS-MAXIMUS; LACTIC-ACID BACTERIA; HALIBUT HIPPOGLOSSUS-HIPPOGLOSSUS; YOLK-SAC LARVAE; PATHOGEN VIBRIO-ANGUILLARUM; COD GADUS-MORHUA; ROTIFER BRACHIONUS-PLICATILIS; CELL-SURFACE HYDROPHOBICITY; CARP CYPRINUS-CARPIO; LIVE FOOD ORGANISMS;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
185
Recensione:
Indirizzi per estratti:
Indirizzo: Ringo, E Norwegianromso,Vet Med, Dept Arctic Vet Med, Stakkevollveien 23 B, N-9005 T Norwegian Coll Vet Med Stakkevollveien 23 B Tromso Norway N-9005
Citazione:
E. Ringo e T.H. Birkbeck, "Intestinal microflora of fish larvae and fry", AQUAC RES, 30(2), 1999, pp. 73-93

Abstract

It is well known that microorganisms cannot be avoided in commercial aquaculture. The skin, gills and gastrointestinal tract are inhabited by microorganisms which are especially adapted to a life in intimate contact with these body surfaces, Microflora associated with the gastrointestinal tract of the early life stages of fish larvae and fry have been described in severalinvestigations, but the establishment of a balanced gut nora in fish larvae is complex, and seems to be influenced by the microflora of the egg, the live feed and the bacteria present in the tank water, Generally, the gut ofnewly hatched larvae contains very few bacteria, but it is rapidly colonized during the first few days in a two-step pattern. The existence of an intestinal microflora in larvae has led to the assumption that some microorganisms are normal (autochthonous), while others are regarded as abnormal and may lead to disease. The disease conditions known in larviculture are closely related to the particular ecological strategies of the pathogens, as well as to the species and development stage of the fish. The introduction of beneficial, or probiotic bacteria into the larval gut could be done using rotifers as carriers or by inoculation of the rearing water with live bacteria, The seeding of the gut with harmless bacteria which occupy the attachment sites may prevent infection by pathogenic bacteria.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/09/20 alle ore 05:25:05