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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

The authors studied the prevalence and types of claw disorders in cattle over one year old, slaughtered at an abattoir in Valdivia in spring 1984. Of the 1000 animals examined on the slaughter line, 356 were intact and castrated males and 644 were females. The findings are presented in tabular form ...

Author(s)
Münzenmayer, W.; Delpin, V.
Citation
Deutsche Tierärztliche Wochenschrift, 1987, 94, 5, pp 275-277
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 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

HI antibodies in titres of 1:16 or above were present in serum from 200 (61.5%) of 325 cattle. 56% of the 127 cattle less than 4 years old, and 75% of the 73 cattle over 4 years old were positive. A previous investigation in Valdivia province, reported in 1980, found 73% of cattle positive. The...

Author(s)
Berríos, P.; Celedón, M. O.; Pinto D'Aguiar, A.; Gonzáilez, G.
Citation
Archivos de Medicina Veterinaria, Chile, 1983, 15, 2, pp 73-79
Abstract

Immunoprecipitation tests on serum samples collected from 1752 cattle in 99 herds between March and November 1982 in the Tenth Region of Chile revealed bluetongue antibody in 19.6% of cattle and 65% of herds. In addition, positive results were obtained in 8 of 500 sheep and 5 of 14 flocks. There is ...

Author(s)
Tamayo, R.; Schoebitz, R.; Alonso, O.; Wenzel, J.
Publisher
Alan R. Liss Inc, New York, USA
Citation
Bluetongue and related orbiviruses, 1985, pp 555-558
Abstract

Faecal samples from 84 adult cows and 38 calves (0-6 months of age) were analysed by the ELISA test [received for publication in 1986]. Faeces from 6 calves and 3 cows were positive. Electron microscopy observations of the positive samples showed the presence of icosahedric particles of 65 nm,...

Author(s)
Berríos E., P.; Pedraza G., C.; Moraga B., L.; Celedón V., M.; Macchiavello C., M.
Citation
Agricultura Técnica, 1987, 47, 4, pp 345-349
Abstract

Of 3088 cattle with symptoms of leptospirosis in Regions VII, VIII, IX and X of chile, 2585 (83.7%) had serological titres of ≤1:200, including 1583 (61.2%) at ≤1:400. Serovars of the serogroups Pomona and Sejroe dominated, but while those of Icterohaemorrhagiae, Canicola, Tarassovi and Ballum were ...

Author(s)
Riedemann, S.; Leal, H.; Zamora, J.
Citation
Archivos de Medicina Veterinaria, Chile, 1986, 18, 2, pp 129-133
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

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