Acta Veterinaria Hungarica
Volume/Issue:
Volume 63: Issue 2
Different sample types in pigs challenged with Haemophilus parasuis following two treatment schemes with tulathromycin
Authors:
Andreas Palzer Clinic for Swine, Ludwig-Maximilians-University Munich, Sonnenstrasse 16, D-85764 Oberschleissheim, Germany

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Rose-Leah Austin-Busse Clinic for Swine, Ludwig-Maximilians-University Munich, Sonnenstrasse 16, D-85764 Oberschleissheim, Germany

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Andrea Ladinig Clinic for Swine,Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria

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Gyula Balka Department of Pathology and Forensic Veterinary Medicine, Faculty of Veterinary Science, Szent István University, Budapest, Hungary

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Joachim Spergser Institute of Bacteriology, Mycology and Hygiene, Department for Pathobiology, University of Veterinary Medicine, Vienna, Austria

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Mathias Ritzmann Clinic for Swine, Ludwig-Maximilians-University Munich, Sonnenstrasse 16, D-85764 Oberschleissheim, Germany
Clinic for Swine,Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria

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Pages:
157–166
Online Publication Date:
Jun 2015
Publication Date:
01 Jun 2015
Article Category:
Journal Article
DOI:
https://doi.org/10.1556/avet.2015.013
Keywords:
Experimental infection; PCR; swab samples
Restricted access

This study aimed to test the efficacy of samplings for the detection of Haemophilus parasuis after metaphylactic treatment and subsequent challenge using an established model for Glässer’s disease. In this model, 36 piglets were equally assigned to a negative control, a positive control, and two trial groups receiving tulathromycin 7 or 4 days prior to challenge. The piglets of three groups were challenged intratracheally with H. parasuis serovar 5. As a result, four pigs in each challenged group died or had to be euthanised within 10 days post challenge. The remaining 15 pigs of these challenged groups survived until termination of the experiment (days 14–15). All pigs were necropsied and collective swabs of serosal surfaces were tested by bacterial culture and PCR. Samples of tarsal synovial fluid and joint capsule, cerebrospinal fluid (CSF) and brain swabs were tested by PCR. A total of 22 out of the 27 challenged animals had macroscopically detectable polyserositis and all of them tested positive in the collective swab samples. Haemophilus parasuis was more frequently detected in pigs that died within the first 10 days compared to those surviving until days 14–15 (P < 0.001), and those that succumbed within 10 days showed higher positivity rates in the brain and CSF. All pigs which were positive in the CSF had detectable meningitis. At days 14–15, joint samples from 5 of the remaining 15 pigs tested positive for H. parasuis. Four of these five animals did not show any macroscopic or histological lesions in the joints. In conclusion, collective swabs were the best sample material in acute cases, whereas samples from the joints gave the best results in chronic cases. In this challenge model it was not possible to prove the metaphylactic effect of tulathromycin administered 4 and 7 days prior to infection with H. parasuis.

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Cover Acta Veterinaria Hungarica
Acta Veterinaria Hungarica
Print ISSN:
0236-6290
Online ISSN:
1588-2705

Senior editors

Editor-in-Chief: Ferenc BASKA

Editorial assistant: Szilvia PÁLINKÁS

 

Editorial Board

  • Mária BENKŐ (Acta Veterinaria Hungarica, Budapest, Hungary)
  • Gábor BODÓ (University of Veterinary Medicine, Budapest, Hungary)
  • Béla DÉNES (University of Veterinary Medicine, Budapest Hungary)
  • Edit ESZTERBAUER (Veterinary Medical Research Institute, Budapest, Hungary)
  • Hedvig FÉBEL (University of Veterinary Medicine, Budapest, Hungary)
  • László FODOR (University of Veterinary Medicine, Budapest, Hungary)
  • János GÁL (University of Veterinary Medicine, Budapest, Hungary)
  • Balázs HARRACH (Veterinary Medical Research Institute, Budapest, Hungary)
  • Peter MASSÁNYI (Slovak University of Agriculture in Nitra, Nitra, Slovak Republic)
  • Béla NAGY (Veterinary Medical Research Institute, Budapest, Hungary)
  • Tibor NÉMETH (University of Veterinary Medicine, Budapest, Hungary)
  • Zsuzsanna NEOGRÁDY (University of Veterinary Medicine, Budapest, Hungary)
  • Dušan PALIĆ (Ludwig Maximilian University, Munich, Germany)
  • Alessandra PELAGALLI (University of Naples Federico II, Naples, Italy)
  • Kurt PFISTER (Ludwig-Maximilians-University of Munich, Munich, Germany)
  • László SOLTI (University of Veterinary Medicine, Budapest, Hungary)
  • József SZABÓ (University of Veterinary Medicine, Budapest, Hungary)
  • Péter VAJDOVICH (University of Veterinary Medicine, Budapest, Hungary)
  • János VARGA (University of Veterinary Medicine, Budapest, Hungary)
  • Štefan VILČEK (University of Veterinary Medicine in Kosice, Kosice, Slovak Republic)
  • Károly VÖRÖS (University of Veterinary Medicine, Budapest, Hungary)
  • Herbert WEISSENBÖCK (University of Veterinary Medicine, Vienna, Austria)
  • Attila ZSARNOVSZKY (Szent István University, Gödöllő, Hungary)

ACTA VETERINARIA HUNGARICA

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Phone: (36 20) 560 4183 (ed.-in-chief) or (36 1) 478 4100/8430 (editor)

E-mail: acta.veterinaria@univet.hu (ed.-in-chief)

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2023  
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Journal Impact Factor 0.7
Rank by Impact Factor Q3 (Veterinary Sciences)
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Acta Veterinaria Hungarica
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Acta Veterinaria Hungarica
Language English
Size A4
Year of
Foundation		 1951
Volumes
per Year		 1
Issues
per Year		 4
Founder Magyar Tudományos Akadémia
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-6290 (Print)
ISSN 1588-2705 (Online)

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