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Titolo:
Clinical and pathological observations on pigs with postweaning multisystemic wasting syndrome
Autore:
Quintana, J; Segales, J; Rosell, C; Calsamiglia, M; Rodriguez-Arrioja, GM; Chianini, F; Folch, JM; Maldonado, J; Canal, M; Plana-Duran, J; Domingo, M;
Indirizzi:
Univ Autonoma Barcelona, Ctr Recerca Sanitat Anim, Dept Sanitat & Anat Anim, E-08193 Barcelona, Spain Univ Autonoma Barcelona Barcelona Spain E-08193 E-08193 Barcelona, Spain Copperat Plana Vic, Barcelona 08500, Spain Copperat Plana Vic Barcelona Spain 08500 ana Vic, Barcelona 08500, Spain Ft Dodge Vet SA, Vall De Bianya 17813, Girona, Spain Ft Dodge Vet SA VallDe Bianya Girona Spain 17813 ya 17813, Girona, Spain
Titolo Testata:
VETERINARY RECORD
fascicolo: 12, volume: 149, anno: 2001,
pagine: 357 -
SICI:
0042-4900(20010922)149:12<357:CAPOOP>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
AUJESZKYS-DISEASE-VIRUS; PORCINE CIRCOVIRUS; CONVENTIONAL PIGS; SYNDROME PMWS; REPRODUCTION; PARVOVIRUS; INFECTION; TYPE-2; FRANCE; SPAIN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Segales, J Univ Autonoma Barcelona, Ctr Recerca Sanitat Anim, Dept Sanitat& Anat Anim, E-08193 Barcelona, Spain Univ Autonoma Barcelona Barcelona Spain E-08193 celona, Spain
Citazione:
J. Quintana et al., "Clinical and pathological observations on pigs with postweaning multisystemic wasting syndrome", VET REC, 149(12), 2001, pp. 357

Abstract

The aim of this work was to characterise the lesions and agents present inclinically normal and clinically affected pigs on a farm during an outbreak of postweaning multisystemic wasting syndrome (PMWS), and to evaluate thediagnostic techniques for detecting porcine circovirus type 2 (PCV-2) and other microorganisms. Four pigs in the early stage and 11 pigs in the late stage of the disease, and eight clinically normal pigs were necropsied. Samples of lymphoid tissue and serum were also obtained from 12 slaughter pigsfrom the same farm. The tissues were examined histopathologically, and in situ hybridisation, serology and PCR were used to detect porcine circovirustype 1 (PCV-1) and/or PCV-2 in tissues and/or sera. The presence of porcine reproductive and respiratory syndrome virus (PRRSV), Aujeszky's disease virus (ADV) and porcine parvovirus (PPV) were also investigated. Characteristic microscopical lesions of PMWS were observed in the lymphoid tissues of the pigs in all three necropsied groups; the lesions were most common and severe in the pigs in the early stage of the disease, less so in the pigs inthe late stage of the disease, and least in the clinically normal pigs. PCV-2 infection was detected in all the necropsied pigs by in situ hybridisation and PCR. only three pigs had the PCV-1 genome in serum or lymph node tissue. In contrast, the slaughter pigs had no microscopical lesions and no PCV-2 nucleic acid in their serum or tissues, and only one of them had the PCV-1 genome in its serum. Immunohistochemical, serological and PCR studies revealed that PRRSV and ADV were also present on the farm during the outbreak.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 15:23:21