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Abstract

Author(s)
Garcia Alzugarate, O.
Citation
Revista Instituto Colombiana Agropecuario, 1979, 14, Suppl., pp 305-306
Abstract

A strain of Babesia argentina (B. bovis) isolated in Monteria, Colombia, was attenuated by continuous passage in splenectomized calves: attenuation was noted from the 23rd passage onwards. 20 steers were each inoculated with 1010 virulent B. argentina from the 6th passage and 30 steers were each...

Author(s)
Gonzalez, E. F.; Todorovic, R. A.; Lopez, G.; Garcia, O. A.
Citation
Revista Instituto Colombiano Agropecuario, 1979, 14, 1, pp 33-39
Abstract

A total of 432 calves on 9 commercial ranches in the Cauca River Valley, Colombia, were used to evaluate vaccination against anaplasmosis and babesiosis. All of 94 calves vaccinated on 2 ranches in the non endemic zone and then moved to endemic zones for field challenge survived without treatment....

Author(s)
Todorovic, R. A.; Gonzalez, E. F.; Garcia, O.
Citation
Tropenmedizin und Parasitologie, 1979, 30, 1, pp 43-52
Abstract

Anaplasma marginale, Babesia argentina and B. bigemina infected blood used as vaccines for immunization trials in Valle del Cauca was preserved with 4M dimethyl sulphoxide and stored in liquid nitrogen (-196 deg C). Infectivity was determined in 87 healthy calves, using serial tenfold dilutions....

Author(s)
Todorovic, R.; Gonzalez, E.; Lopez, G.
Citation
Tropenmedizin und Parasitologie, 1978, 29, 2, pp 210-214
Abstract

Cattle infected with Babesia or Anaplasma yielded 10.4 l of milk/cow compared to 13.9 l in uninfected controls. After a vaccination programme the incidence of anaplasmosis was 2% in vaccinated cows and 47% in untreated animals. For babesiasis, the respective figures were 0 and 7%.

Author(s)
Gonzalez, E. F.; Todorovic, R. A.
Citation
Revista de Medicina Veterinaria, Buenos Aires, 1978, 59, 3, pp 141
Abstract

In Colombia, the immune responses of immunised and chemoprophylactically treated calves to tick-borne (Boophilus microplus) challenge indicated that the system of immunisation was effective in protecting cattle against Anaplasma marginale, Babesia argentina (bovis) and B. bigemina. However,...

Author(s)
Thompson, K. C.; Todorovic, R. A.; Mateus, G.; Adams, L. G.
Citation
Tropical Animal Health and Production, 1978, 10, 3, pp 141-144
Abstract

A study of methods to improve the health of native cattle in tropical areas of Colombia showed the advantage of using immunization techniques against haemoparasitic infections in comparison with other control methods. The control of anaplasmosis and babesiasis by immunization of cattle with fully...

Author(s)
Thompson, K. C.; Todorovic, R. A.; Mateus, G.; Adams, L. G.
Citation
Tropical Animal Health and Production., 1978, 10, 2, pp 75-81
Abstract

Experiments are very briefly described on the control by chemoprophylaxis or premunition of babesiasis and anaplasmosis in calves in Colombia.

Author(s)
Galvin, T. J.; Adams, L. G.; Mateus, G.
Publisher
CIAT., Colombia
Citation
Workshop on hemoparasites (anaplasmosis and babesiosis), 17-22 March 1975, Cali, Colombia, Centro Internacional de Tropical., 1977, pp 153
Abstract

A programme is given for an investigation which will be carried out on premunition against Babesia argentina, B. bigemina and Anaplasma marginale in cattle in the Cauca valley of Colombia.

Author(s)
Gonzalez, E. G.; Todorovic, R. A.
Publisher
CIAT., Colombia
Citation
Workshop on hemoparasites (anaplasmosis and babesiosis), 17-22 March 1975, Cali, Colombia, Centro Internacional de Agricultura Tropical., 1977, pp 147-151
Abstract

Male calves, 2.5 months old, were inoculated twice, at 14 days interval, with a vaccine of Babesia bigemina plus B. argentina which had been killed by freezing and lyophilization. One vaccine (AG-E) was composed of infected erythrocytes, and another (AG-S) of serum from infected blood. 4 calves...

Author(s)
Todorovic, R. A.
Citation
Proceedings of the 20th World Veterinary Congress, 6-12 July, 1975, Thessaloniki, Greece. Volume 1., 1976, pp 569-581

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