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Abstract

Calves, breeding cows and milch cows on 4 farms in the Valle and Quindio Districts of Colombia were examined by blood smears and serologically for blood parasites monthly (calves) or quarterly between August 1988 and July 1989. At each sampling, the numbers of ticks (Boophilus microplus) present...

Author(s)
Zintz, R.
Publisher
Tierärztliche Hochschule Hannover, Hannover, Germany
Citation
Untersuchungen zur Epidemiologie der Hämoparasitosen in milchproduzierenden Betrieben in Valle und Quindio (Kolumbien)., 1990, pp 131 pp.
Abstract

Anaplasma marginale, Babesia bigemina and B. bovis were present in 8 herds of crossbred cattle or crossbred zebu on the North coast of Colombia, but only B. bovis infection was associated with reduced weight gain.

Author(s)
Otte, M. J.; Gonzalez, C. A.; Abuabara, Y.; Ellis, P. R.
Citation
Proceedings of the 4th International Symposium on Veterinary Epidemiology and Economics, Singapore, 18-22 November 1985, 1986, pp 297-299
Abstract

The PCV, haemoglobin, temperature, parasitaemia, IFAT and the leukocyte migration inhibition test (LMIT) were used to evaluate the efficiency of immunization against bovine babesiosis. Calves immunized with an attenuated strain of Babesia bovis developed a mild clinical disease which lasted from...

Author(s)
Barreiro, R.; Vizcaino, O.; Parra, P; González, G.
Publisher
Koninklijke Nederlandse Maatschappij voor Diergeneeskunde, Utrecht, Netherlands
Citation
IVth International Symposium of Veterinary Laboratory Diagnosticians, 2-6 June, 1986, Amsterdam, Netherlands. Abstracts., 1986, pp 168-172
Abstract

Four calves were experimentally infected with Babesia bovis or B. divergens or Anaplasma marginale + B. bovis or B. bovis + B. divergens + A. marginale. Indirect fluorescent antibody tests (IFAT) were made with their sera and blood films. The antigen preparations of A. marginale were all...

Author(s)
Zurner, U.
Publisher
Tierarztliche Hochschule, Hannover, GFR,
Citation
Seroepidemiologie der bovinen Babesien- und Anaplasmeninfektionen in Kolumbien: 1. Einleitende Untersuchung mit dem indirekten Immunfluoreszenz-Test., 1983, pp 106pp.
Abstract

In the animal disease inventory of the Tropical Pastures Program's target area, intestinal nematodes were ranked as having a high effect and cysticerciasis a low effect on productivity. Studies on Cooperia and Haemonchus infections in 2 herds in Carimagua indicated that a standard anthelmintic...

Publisher
CIAT., Cali, Colombia
Citation
Tropical Pastures Program Annual Report 1980., 1981, pp 130 pp.
Abstract

Epidemiological studies on cattle in the Cauca River Valley and the Atlantic Coast of Colombia indicated that T. vivax infection was endemic in the whole of the Cauca Valley, and that Anaplasma and Babesia infections on the same farms may have obscured the diagnosis of clinical bovine...

Author(s)
Betancourt, J. A.
Citation
Dissertation Abstracts International, 1979, 39B, 7, pp 3182
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

The prevalence of bovine anaplasmosis and babesiosis (caused by Anaplasma marginale, Babesia bigemina and B. bovis) in cattle (dairy, beef and mixed herds) in the Cauca Valley of Colombia was investigated. It was concluded that both conditions are endemic in the region, but it was noted that the...

Author(s)
Gonzalez, E. F.; Corrier, D. E.; Todorovic, R. A.; Lopez, G.
Citation
Revista Instituto Colombiano Agropecuaro, 1978, 13, 2, pp 349-356

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