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Abstract

In southern Chile (regions IX and X) serum samples were obtained from 200 representative herds; 45 (14.5%) of the 310 cattle sampled in 14 herds were positive to the immunodiffusion test for bovine leukosis. In these 14 herds, 63 cattle (20.3%) had positive neutralization titres for IBR IPV virus....

Author(s)
Hochstein-Mintzel, V.; Riedemann, S.; Alonso, O.; Niedda, M.; Aguilar, M.; Reinhardt, G.; Veer, C. de; Rojax, X.; Chahuan, E.; Ehrenfeld, J.; Campo, H. del; Montes, L.; Tamayo, R.
Citation
Journal of Veterinary Medicine, B (Infectious Diseases, Immunology, Food Hygiene, Veterinary Public Health), 1986, 33, 3, pp 161-165
Abstract

Serum samples from 2864 cattle were analysed for antibodies against PI-3 by haemagglutination inhibition and against BDV, BHV-1 and BRSV by virus neutralization. The herd seroprevalence was 100% for BDV, PI-3 and BRSV and 91.7% for BHV-3. The individual seroprevalences were 50.9, 41.0, 97.1 and...

Author(s)
Riedemann, S.; Reinhardt, G.; Tadich, N.; Aguilar, M.; Aguilar, R.; Montecinos, M. I.; Miranda, J. C.
Citation
Archivos de Medicina Veterinaria, 1996, 28, 1, pp 121-124
Abstract

An 80-hectare dairy farm had 137 cows, 28 heifers and 55 female calves, cross-bred Holando-Europeo and Holstein-Friesian. It was a closed herd, free of brucellosis and tuberculosis, and breeding was by artificial insemination, with no new animals introduced in the last 7 years. Testing for enzootic ...

Author(s)
Reinhardt, G.; Hochstein-Mintzel, V.; Riedemann, S.; Leal, H.; Niedda, M.
Citation
Journal of Veterinary Medicine, B (Infectious Diseases, Immunology, Food Hygiene, Veterinary Public Health), 1988, 35, 3, pp 178-185
Abstract

In haemagglutination inhibition tests on 200 bovine serum samples, 116 (58%) were positive for bovine reovirus serotype 1, 80 (40%) for serotype 2 and 53 (26.5%) for serotype 3. Prevalence was higher in female than in male cattle, particularly with serotype 2. It is concluded that bovine reoviruses ...

Author(s)
Reinhardt, G.; Polette, M.; Luna, M.
Citation
Zentralblatt fur Veterinarmedizin, B, 1983, 30, 2, pp 103-108
Abstract

In southern Chile, between December 1984 and September 1985, rotavirus was demonstrated by ELISA in the faeces of 20% of 118 dairy calves with diarrhoea and 15% of 68 piglets with diarrhoea, but in none of 28 healthy calves and 17 healthy piglets. All positive calves and most positive piglets were...

Author(s)
Reinhardt, G.; Riedemann, S.; Polette, M.; Aguilar, M.; Niedda, M.
Citation
Archivos de Medicina Veterinaria, Chile, 1986, 18, 1, pp 23-27
Abstract

A serological study was undertaken in one dairy herd in the province of Valdivia (Southern Chile) in order to determine the kinetics of IBR antibody over a year. At a 6-month interval, 190 dairy cows were sampled on two consecutive occasions and their sera subjected to the neutralization test....

Author(s)
Hochstein-Mintzel, V.; Riedemann, S.; Reinhardt, G.; Niedda, M.
Citation
Journal of Veterinary Medicine, B (Infectious Diseases, Immunology, Food Hygiene, Veterinary Public Health), 1986, 33, 9, pp 697-703

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