Endémiás légzoszervi megbetegedések oktani vizsgálata egyes hazai szarvasmarha- és juhállományokban

Translated title of the contribution: Etiology of respiratory disease complex in some Hungarian ruminant livestocks

M. Rusvai, Reza Izadpanah, L. Fodor

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Serological surveys, virological and bacteriological investigations were carried out in large populations of lambs and calves kept in intensive fattening units on Hungarian large scale farms, in order to study the occurrence of viruses and bacteria involved in the respiratory disease complex. The investigations were carried out in livestock where year by year 5-20% of young animals succumbed to acute or chronic pneumonia. Serological surveys revealed that seropositivity to bovine adenovirus type 2 (BAV-2) and parainfluenza type 3 (PI-3) were the most widespread viral infections both in cattle and sheep (BAV-2: 56% and 88%, PI-3: 76% and 41% respectively). Antibodies against infectious, bovine rhinotracheitis virus (BHV-1) were also found in a high proportion (45%) of the sera of 3-8 month old calves, while in 2-6 month old lambs ovine adenovirus 1 (OAV-1) was the third most frequent virus (22%). Bacteriological investigations demonstrated secondary infections caused by different Pasteurella haemolytica and P. multocida serotypes in most cases. In cattle herds P. multocida A proved to be the predominant bacterium, as it was isolated in each herd examined, whereas P. haemolytica A1 strains were isolated in 7 and Haemophilus somnus in 2 out of 13 herds. In sheep flocks P. haemolytica was the most frequent species isolated. Ten serotypes were cultured from pneumonic sheep with serotypes A2, A1 and A8 being the most prevalent.

Original languageHungarian
Pages (from-to)255-259
Number of pages5
JournalMagyar Allatorvosok Lapja
Volume121
Issue number5
Publication statusPublished - 1999

Fingerprint

Ruminants
Livestock
Mannheimia haemolytica
respiratory tract diseases
etiology
ruminants
Sheep
livestock
Adenoviridae
Paramyxoviridae Infections
serotypes
cattle
herds
Pasteurella multocida
serological surveys
Ovine adenovirus B
sheep
Haemophilus somnus
lambs
calves

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Endémiás légzoszervi megbetegedések oktani vizsgálata egyes hazai szarvasmarha- és juhállományokban. / Rusvai, M.; Izadpanah, Reza; Fodor, L.

In: Magyar Allatorvosok Lapja, Vol. 121, No. 5, 1999, p. 255-259.

Research output: Contribution to journalArticle

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