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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

A 2-year study (April 1988 to February 1990) on the development of Fasciola hepatica eggs under outdoor conditions was carried out in Temuco, southern Chile. Eggs obtained from bile of infected cattle were placed in buckets in a medium of distilled water once a month, and examined at monthly...

Author(s)
Valenzuela, G.; Quintana, I.
Citation
Archivos de Medicina Veterinaria, 1998, 30, 1, pp 109-114
Abstract

A study was undertaken to determine which section (upper or lower) of grass is preferred by infective larvae (L3) of Trichostrongylidae of cattle and whether the larvae show a diurnal vertical migration pattern on the grass. Weekly grass samples were taken from a 0.6 ha pasture with calves, from a...

Author(s)
Sievers, G.; Quintana, I.; Cortese, F.; Ernst, S.
Citation
Archivos de Medicina Veterinaria, 1998, 30, 1, pp 47-54
Abstract

In one experiment, on an affected farm, 19 beef calves were treated with two doses of the flumethrin preparation, with a nine-day interval, while five controls were left untreated, but run with the treated calves. No mites could be detected microscopically in skin scrapings taken 44 days after...

Author(s)
Sievers, G.; Quintana, I.
Citation
Archivos de Medicina Veterinaria, 1989, 21, 1, pp 62-65
Abstract

The study was carried out between October 1992 and March 1993 in 20 Holstein Friesian calves, with an initial mean body weight of 133 kg, which had acquired a normal parasitosis after a month of grazing. Helminth eggs in faeces were counted on 19 occasions. Body weight of the calves was recorded on ...

Author(s)
Sievers, G.; Cárdenas, M.; Quintana, I.
Citation
Archivos de Medicina Veterinaria, 1995, 27, 2, pp 105-110
Abstract

15 calves in Chile were protected from the adverse effects of helminthoses when dosed with febantel (5 mg/kg body weight) 32 and 70 days after grazing a pasture contaminated with species of Ostertagia, Cooperia and Nematodirus.

Author(s)
Sievers, G.; Quintana, I.
Citation
Veterinary Medical Review, 1983, No.2, pp 182-188
Abstract

Groups of seven cows naturally infected with Moniezia spp. were dosed with 0, 5, 7.5 or 10 mg fenbendazole/kg body weight. Cestode eggs were detected in faeces of one cow in the 5 mg group at 56 days after treatment, and in 3 cows of the 10 mg group at 42 and 56 days (attributed to reinfection)....

Author(s)
Sievers, G.; Quintana, I.; Valenzuela, G.
Citation
Praktische Tierarzt, 1980, 61, 9, pp 730, 732-733

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