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VetMed Resource

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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

Twenty 3-month-old calves were infected with 100 000 Ostertagia ostertagi on day 0, and then with the equivalent of 10 000/day, given 3 times a week. The calves were treated with fenbendazole (Panacur) before infection and 4-5 months after the start of the experiment. Increased pepsinogen levels...

Author(s)
Fox, M. T.; Pitt, S. R.; Gerrelli, D.; Jacobs, D. G.
Publisher
Elsevier Applied Science Publishers Ltd., Barking, Essex, UK
Citation
Immunoassays for veterinary and food analysis - 1., 1988, pp 293-297
Abstract

The effect of infection with trichostrongylids on metabolic rate and protein gain in calves was studied in 2 experiments. In the 1st, 8 male Friesian calves 3 to 6 months old were normal or infected with 20  infective larvae of Cooperia spp. and 7 weeks later with 350 000 of the larvae. During 10...

Author(s)
Verstegen, M. W. A.; Hel, W. van der; Albers, G. A. A.; Kloosterman, A.
Citation
Journal of Animal Physiology and Animal Nutrition, 1988, 60, 4, pp 209-218
Abstract

Ostertagia ostertagi infection in cattle is reviewed under the headings of: life cycle; epidemiology; clinical disease; pathology; pathophysiology; diagnosis; treatment and control.

Author(s)
Myers, G. H.; Taylor, R. F.
Citation
Journal of Veterinary Diagnostic Investigation, 1989, 1, 2, pp 195-200
Abstract

Friesian calves given a low level infection of O. ostertagi over a 6 week period displayed a mild diarrhoea with high faecal egg counts and elevated plasma pepsinogen values. At necropsy on day 23 abomasal lesions characteristic of ostertagiasis were widespread. At 42 and 84 days pi oedema and...

Author(s)
Taylor, L. M.; Parkins, J. J.; Armour, J.; Holmes, P. H.; Bairden, K.; Ibarra-Silva, A. M.; Salman, S. K.; McWilliam, P. N.
Citation
Research in Veterinary Science, 1989, 46, 2, pp 218-225
Abstract

Serum pepsinogen levels were measured in twelve 10-month-old calves experimentally infected with 0, 25 000 or 50 000 Ostertagia ostertagi 3rd-stage larvae (L3). Faecal and blood samples were collected on days 0 and 21 pi. Serum pepsinogen levels were significantly elevated in groups infected with...

Author(s)
Mostofa, M.
Citation
Bangladesh Veterinarian, 1989, 6, 2, pp 52-53
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

A comparative trial of ivermectin, albendazole and fenbendazole was conducted on 494 young beef cattle, grazing pastures heavily contaminated with Ostertagia sp. for 110 days. It was concluded that it was more important to move young cattle to clean pastures and to provide an adequate diet than to...

Author(s)
Strickland, J. E.
Citation
Proceedings - Annual Meeting of the United States Animal Health Association, 1990, 94, pp 298-300
Abstract

Levamisole (LEV) was tested in 4 experiments to compare efficacy values against O. ostertagi when larval maturation was occurring (September), following inhibition and also when populations were expected to be largely adult (winter). A primary objective was to determine the importance of developing ...

Author(s)
Williams, J. C.; Knox, J. W.; Marbury, K. S.; Swalley, R. A.; Eddi, C. S.
Citation
Veterinary Parasitology, 1991, 40, 1-2, pp 73-85
Abstract

An experiment was carried out to study the role of the ruminal function in the establishment of Ostertagia ostertagi in newborn calves. Three groups of calves were fed either milk only (groups A and C), or hay and concentrate in addition to milk (group B) from birth. At the time of infection,...

Author(s)
Satrija, F.; Nansen, P.; Christensen, C. M.
Citation
Research in Veterinary Science, 1991, 51, 3, pp 344-346

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