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Abstract

Bovine VIBRIOSIS was studied to assess the value of vaccination and to record the events leading to infertility. V. fetus cultures were introduced into the vagina a year before heifers came to first service to determine whether immunity will develop from such an exposure. A killed culture was used...

Author(s)
Anon.
Publisher
Melbourne: C.S.I.R.O.,
Citation
Australia. Commonwealth Scientific and Industrial Research Organization Animal Research Laboratories, Annual Report 1960-61., 1961, pp 126 pp.
Abstract

Between November 1985 and August 1986, parasitic control was undertaken in a herd of 300 Holstein Friesian crossbred heifers, born in March-April 1985, in Argentina. The differences in weight gain obtained in the different groups treated at different anthelmintic (oxfendazole) dosages were not...

Author(s)
Costa, J. C. A.; Martínez, E. F.
Citation
Revista de Medicina Veterinaria (Buenos Aires), 1988, 69, 3, pp 133-142
Abstract

Monitoring of gastrointestinal nematodes in 4 herds from 4 ecological regions of central Argentina from 1981 to 1985 showed similar trends in all regions. Faecal egg counts rose during autumn and winter and fell during spring and summer. Highest faecal egg counts occurred during April-June in 7- to ...

Author(s)
Rossanigo, C. E.; Avila, J. D.; Vasquez, R.; Sager, R. E.; Poli, M. A.
Citation
Revista Argentina de Producción Animal, 1988, 8, 3, pp 259-269
Abstract

Author(s)
Fiel, C. A.; Steffan, P. E.; Vercesi, H. M.; Ambrustolo, R. R.; Catania, P.; Casaro, A. P.; Entrocasso, C. M.; Biondani, C. A.
Citation
Revista de Medicina Veterinaria (Buenos Aires), 1988, 69, 1, pp 57-64
Abstract

Egg counts from faeces in untreated cattle were characterized by a considerable increase in autumn-winter (peaking in September), followed by a marked decrease at the beginning of spring as a result of environmental conditions that were not suitable for the development and survival of infective...

Author(s)
Rossanigo, C. E.; Avila, J. D.
Citation
Veterinaria Argentina, 1988, 5, 47, pp 564, 566-572
Abstract

From March to July 1986, the prevalence of gastrointestinal and lung helminths was determined in 119 spring born cattle, slaughtered periodically from weaning (at 6 months) until they were 22-24 months old. The animals were taken from 5 grazing areas in the semiarid region and 3 in the subhumid...

Author(s)
Suárez, V. H.
Citation
Revista de Medicina Veterinaria (Buenos Aires), 1990, 71, 1, pp 6-18
Abstract

Blood and faecal samples were collected monthly or tri-monthly from 7 farms in Salta, Argentina, to assess the relationship between helminths and different blood parameters in grazing calves. A total of 11 animals aged between 5 and 9 months were sampled over a 12 month period. Packed cell volume,...

Author(s)
García Torregrosa, M. D.; Kühne, G. I.
Citation
Revista Argentina de Producción Animal, 1990, 10, 4, pp 295-302
Abstract

The seasonal population trends of cattle nematodes in tracer calves are described from 1981 to 1987, from studies conducted in the Western Pampas, Argentina. Successive worm-free calves were grazed with growing beef cattle for 20-30 days at 6 week intervals and then slaughtered for nematode counts...

Author(s)
Suarez, V. H.
Citation
International Journal for Parasitology, 1990, 20, 8, pp 1031-1036
Abstract

285 Brahman/Hereford calves from the subtropical breeding area of Corrientes were taken, on weaning, to improved pastures in Entre Rios, Argentina. Productivity efficiency in 3 groups (each containing 95 calves) treated strategically with ivermectin or oxfendazole, or not treated (control group),...

Author(s)
Bulman, G. M.; Ingouville, E.; Fiel, C. A.; Ambrustolo, R. R.
Citation
Veterinaria Argentina, 1990, 7, 65, pp 301-305
Abstract

Twelve crossbred male calves (Zebu × Holstein) between 8 and 12 months of age, were randomly grouped into 2 lots with 6 calves each. One group was placed in an area in Brazil with Brachiaria grass, and the other one in an area with Andropogon grass for 24 months. Eggs and larvae of Haemonchus...

Author(s)
Carneiro, J. R.; Linhares, G. C.; Calil, F.; Rodrigues, N.; Campos, D. M. B.
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 1990, 42, 5, pp 371-378

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