Occurence of some viruses and bacteria involved in respiratory diseases of ruminants in Hungary
1998
Rusvai,M. | Fodor,L.
Over 8 years (dates not given) serological surveys, virological and bacteriological investigations were carried out on large populations of lambs and calves kept in intensive fattening units on Hungarian large-scale farms where 5-20% of the young animals developed acute or chronic pneumonia every year.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 found in 45% of 3-to 8-month-old calves.Ovine adenovirus antibodies were found in 22% of 2-to 6-month-old lambs.Secondary infections caused mainly by different Pasteurella haemolytica and P.multocida serotypes were found.
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