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Abstract

The cattle tick Boophilus microplus causes significant economic losses in cattle in the tropical areas of Central and South America. Acaricides are widely used to control tick infestations, with the consequent selection of tolerant and resistant subpopulations. Detoxifying enzymes, and esterases in ...

Author(s)
Villarino, M. A.; Wagner, G. G.; George, J. E.
Publisher
Kluwer Academic Publishers, Dordrecht, Netherlands
Citation
Experimental and Applied Acarology, 2002, 28, 1/4, pp 265-271
Abstract

Cattle from an area of Mexico endemic for Babesia bovis infections have a dominant antibody response to a 152 kDa antigen of the Tamaulipas strain of B. bovis. A MAb termed PB/5, showing a specific reactivity to this 152 kDa antigen in Western blots, was identified. The MAb which reacted with the...

Author(s)
Ruiz, A. S.; Waghela, S. D.; Romany, M. M.; Holman, P. J.; Melendy, D.; Cruz, D.; Wagner, G. G.
Citation
International Journal for Parasitology, 2000, 30, 1, pp 59-64
Abstract

The conventional method of identifying acaricide resistance in a suspect tick population by the United Nations Food and Agriculture Organization packet assay is a laborious and time-consuming process. DNA probes have been demonstrated as rapid and accurate tools for detecting pesticide resistance...

Author(s)
Hernandez, R.; Chen, A. C.; Davey, R. B.; Ivie, G. W.; Wagner, G. G.; George, J. E.
Citation
Journal of Medical Entomology, 1998, 35, 5, pp 895-900
Abstract

Engorged female B. microplus (n = 315; weight 210-250 mg) naturally infected with Babesia bovis and B. bigemina in the Mexican tropics were monitored for egg production. Haemolymph samples were taken from each tick from days 5-16 after collection to detect and estimate infection with Babesia sp....

Author(s)
Cen-Aguilar, J. F.; Rodríguez-Vivas, R. I.; Domínguez-Alpizar, J. L.; Wagner, G. G.
Citation
Veterinary Parasitology, 1998, 78, 4, pp 253-257
Abstract

Blood samples collected from April 1982 to November 1983, from 2156 cattle in 40 herds in the Mexican states of Nuevo Leon, Tamaulipas and Coahuila, were tested for antibody activity to Anaplasma marginale by the card test. Herd prevalence rates ranged from 0 to 86% with a mean of 22%. Analysis of...

Author(s)
Teclaw, R. F.; Romo, S.; Garcia, Z.; Wagner, G. G.
Citation
Preventive Veterinary Medicine, 1985, 3, 5, pp 417-425
Abstract

Serum samples from 200 cattle of various ages and breeds from five ranches in the Mexican states of Nuevo Leon and San Luis Potosi were collected monthly (with occasional omissions) between February 1983 and November 1983. These samples were tested for antibody activity to Babesia bovis and B....

Author(s)
Teclaw, R. F.; Garcia, Z.; Romo, S.; Wagner, G. G.
Citation
Preventive Veterinary Medicine, 1985, 3, 5, pp 427-435
Abstract

Serum samples from 2156 cattle in 40 herds in northeastern Mexico collected from April 1982 to November 1983 were tested for antibody activity to bluetongue virus. In addition, animals from 5 other herds were sampled each month to determine when new infections were occurring. Prevalence rates...

Author(s)
Teclaw, R. F.; McConnell, S.; Wagner, G. G.; Romo, S.; Garcia, Z.
Citation
Preventive Veterinary Medicine, 1985, 3, 5, pp 437-443
Abstract

Serum samples collected from April 1982 to November 1983, from 2070 cattle on 40 ranches in northeastern Mexico, were tested for antibody activity to Brucella abortus using the enzyme-linked immunosorbent assay. The serum samples from 50 animals in 14 herds were positive, giving an overall...

Author(s)
Teclaw, R. F.; Heck, F.; Wagner, G. G.; Romo, S.; Garcia, Z.
Citation
Preventive Veterinary Medicine, 1985, 3, 5, pp 445-448
Abstract

A total of 1885 serum samples collected in 1982 and 1983 from 40 ranches in the northeastern Mexican states of Nuevo Leon, Tamaulipas and Coahuila were tested for antibody activity to Babesia bovis and B. bigemina using the indirect fluorescent antibody test. Herd prevalence rates ranged from 0 to...

Author(s)
Teclaw, R. F.; Romo, S.; Garcia, Z.; Castaneda, M.; Wagner, G. G.
Citation
Preventive Veterinary Medicine, 1985, 3, 5, pp 403-415
Abstract

Several cases of babesiosis associated with Boophilus microplus infestations were confirmed in cattle at 2 ranches in northern Mexico. At the first ranch, Babesia bovis infection was confirmed in one cow by inoculation of whole blood into a splenectomized calf which subsequently developed an acute...

Author(s)
Thompson, G. D.; Medellin, J. A.; Trevino, G. S.; Wagner, G. G.
Citation
Tropical Animal Health and Production, 1980, 12, 3, pp 132-136

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