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Titolo:
Radiological examination of the spinal column in farmed rainbow trout Oncorhynchus mykiss (Walbaum): experiments with Flavobacterium psychrophilum and oxytetracycline
Autore:
Madsen, L; Arnbjerg, J; Dalsgaard, I;
Indirizzi:
Danish Inst Fisheries Res, Fish Dis Lab, DK-1870 Frederiksberg C, Denmark Danish Inst Fisheries Res Frederiksberg Denmark C ederiksberg C, Denmark Royal Vet & Agr Univ, Dept Clin Studies Radiol, DK-1870 Frederiksberg, Denmark Royal Vet & Agr Univ Frederiksberg Denmark DK-1870 rederiksberg, Denmark
Titolo Testata:
AQUACULTURE RESEARCH
fascicolo: 3, volume: 32, anno: 2001,
pagine: 235 - 241
SICI:
1355-557X(200103)32:3<235:REOTSC>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
ATLANTIC SALMON; DEFORMITIES;
Keywords:
rainbow trout [Oncorhynchus mykiss (Walbaum)]; skeletal deformities; Flavobacterium psychrophilum; oxytetracycline; radiology;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Madsen, L Danish Inst Fisheries Res, Fish Dis Lab, Stigbojlen 4, DK-1870 Frederiksberg C, Denmark Danish Inst Fisheries Res Stigbojlen 4 Frederiksberg Denmark C
Citazione:
L. Madsen et al., "Radiological examination of the spinal column in farmed rainbow trout Oncorhynchus mykiss (Walbaum): experiments with Flavobacterium psychrophilum and oxytetracycline", AQUAC RES, 32(3), 2001, pp. 235-241

Abstract

Flavobacterium psychrophilum and oxytetracycline have both been associatedwith spinal deformities in salmonids. Experiments were carried out to investigate whether infection with F, psychrophilum or medication with oxytetracycline (OTC) at the fry stage would result in an increased occurrence of vertebral column deformities in rainbow trout, Oncorhynchus mykiss (Walbaum). Fish were on-grown for 9 months and examined by radiology at the end of the experiments. There was a relationship between infection by F. psychrophilum and deformities of the spinel column, if fish with more than 10 affected vertebrae were classified as deformed. The deformities found among infected fish were often visible externally and were more severe than those seen among control fish (most deformities foun among controls were only seen on X-ray photographs). Deformities were evenly spread along the vertebral column of infected fish. OTC treatments of up to 200 mg of OTC(kgfish)(-1) day(-1) for 10 days and repeated three times did not result in increased spinaldeformities relative to untreated control groups; therefore, medication ofrainbow trout with oxytetracycline did not cause deformities of the spinalcolumn under our treatment conditions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/07/20 alle ore 18:14:11