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Publication type: Doctoral Thesis

Year: 2002

Author(s): Petz, R

Title: Evaluierung der Verbreitung von Porcinem Reproduktivem und Respiratorischem Syndrom und Schweineinfluenza in den Betrieben des Burgenländischen Schweinezuchtverbandes und Ausarbeitung von Sanierungskonzepten.

Source: Dissertation, Vet. Med. Univ. Wien, pp. 95.

Advisor(s):

Schuh Maximilian


Abstract:
Based on respiratory problems in sow-herds of the "Burgenländischen Schweinezuchtverbandes" (pig breeding association) 9 herds were evaluated concerning serological, clinical and pathological status. The aim of the study was to establish control programs in terms of hygiene and management as well as respiratory tract diseases as PRRS and influenza as well. A check list served for status quo examination of the herd. Furtheron 153 blood samples collected from 9 breeding farms were analysed for antibodies against PRRSV and influenza virus serotypes H3N2 and H1N1. From each farm 17 pigs (3 sows, 4 gilts and 10 piglets) were examined. PRRSV-antibodies were found in 6 farms which consisted of European strains and 3 of them of American strains. Antibodies against influenza were detected in 7 farms, serotypes H1N1 and H3N2 in 3 farms, H1N1 in one farm and H3N2 only in 3 farms. One farm was antibody negative of both virus diseases examined. The clinical examination of 27 piglets (3 of each farm) didn't exhibit any symptoms of respiratory diseases, but 26 of them showed pathologically pneumonic lesions. For further examination of the health status on herd basis a checklist was developed. Finally it should be mentioned that main problems occurred in terms of hygiene and management particularly in terms of traffic of animals and persons. Further programs for the improvement of the problems just mentioned are recommended.

Keywords:
Influenza / PRRS / management / hygiene / control programs


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