Cookies on VetMed Resource

Like most websites we use cookies. This is to ensure that we give you the best experience possible.

 

Continuing to use www.cabi.org  means you agree to our use of cookies. If you would like to, you can learn more about the cookies we use.

VetMed Resource

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

Sign up to receive our Veterinary & Animal Sciences e-newsletter, book alerts and offers direct to your inbox.

Results per page:

Search results

Abstract

The anthelmintic resistance of bovine nematodes against ivermectin was determined in 2 farms in southern Chile. A total of 14 and 22 bovines aged 7-8 months from farms 1 (near Purranque) and 2 (near San Pablo), respectively, were treated with 0.2-ml/kg ivermectin. Faecal samples were obtained from...

Author(s)
Sievers, G.; Alocilla, A.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2007, 39, 1, pp 67-69
Abstract

The present research evaluated the precocious application of insecticides against Haematobia irritans. The idea is for the flies emerging in spring from pupal diapause to be controlled by the action of any insecticides and no increase in the number of flies will take place during the following...

Author(s)
Sievers, G.; Rubilar, B.; Kunstmann, E.
Publisher
Sociedad de Medicina Veterinaria, Buenos Aires, Argentina
Citation
Revista de Medicina Veterinaria (Buenos Aires), 2005, 86, 2, pp 58-63
Abstract

This study examined 4709 animals from 83 691 bovines slaughtered in a meat processing plant of Santiago, Chile. Origin, sex, category of the animals and visceral location of the cysts were determined. The size of the cysts and the presence or absence of protoscoleces (fertility) were determined in...

Author(s)
Muñoz, J. P.; Sievers, G.
Publisher
Sociedad Chilena de Parasitología, Santiago, Chile
Citation
Parasitología Latinoamericana, 2005, 60, 1/2, pp 69-73
Abstract

The purpose of this study is to evaluate whether Plantago lanceolata (narrow leaf plantain), as a supplemental forage, reduces the egg output of gastrointestinal nematodes in calves. The trial was conducted on a farm in the 10th Region, Chile. Two groups of 15 calves weighing 171.4±19.8 kg grazed...

Author(s)
Sievers, G.; Nannig, S.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2006, 38, 3, pp 233-238
Abstract

Naturally infected cattle from a farm in Chile were divided into control (placebo) and experimental (3 types of ivermectin and 1 each of moxidectin, abamectin and doramectin, each at 0.2 mg/kg) groups for the treatment of Ostertagia ostertagi, Trichostrongylus and Cooperia spp. infections. Faecal...

Author(s)
Sievers, G.; Fuentealba, C.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2003, 35, 1, pp 81-88
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

Fifteen calves clinically affected by sarcoptic mange (caused by Sarcoptes scabiei) were studied from June to September 1991 on a farm near Valdivia, Chile. 9 of the calves were treated subcutaneously with 0.2 mg/kg moxidectin on days 1 and 42 of the trial, and the other 6 were given the same dose...

Author(s)
Sievers, G.; Ramírez, C.; González, S.
Citation
Archivos de Medicina Veterinaria, 1993, 25, 2, pp 193-197
Abstract

The trial was carried out in a dairy farm in Valdivia, southern Chile, from April to July 1989. Of 40 grazing heifers weighing around 248 kg 10 were injected s.c. with 7.5 mg/kg levamisole, 10 received 7.5 mg/kg spot-on levamisole, 10 were drenched with 8 mg/kg, and 10 were untreated controls....

Author(s)
Sievers, G.; Guzmán, O.
Citation
Archivos de Medicina Veterinaria, 1991, 23, 1, pp 41-48
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

Refine Results

Sort Order
Author
Geographical Location
Item Type
Language
Organisms
Subject Topics