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Abstract

Using substantial interspecific differences between the 2nd internal transcribed spacer (ITS2) region within the rDNA gene of Dictyocaulus eckerti and D. viviparus a species-specific PCR was developed to distinguish between lungworm larvae of the 2 species from fallow deer and cattle. It was found...

Author(s)
Samson-Himmelstjerna, G. von; Woidtke, S.; Epe, C.; Schnieder, T.
Citation
Veterinary Parasitology, 1997, 68, 1/2, pp 119-126
Abstract

Two groups of 8 first-year grazing cattle were either left untreated as controls (group 1) or each animal was treated at turnout with an ivermectin bolus containing 1.72 g ivermectin and designed to deliver 12 mg/day for 135 days (group 2). Whereas group 1 suffered from lungworm infection (...

Author(s)
Schnieder, T.; Epe, C.; Samson-Himmelstjerna, G. von; Kohlmetz, C.
Citation
Applied Parasitology, 1996, 37, 1, pp 38-44
Abstract

A cross-sectional study was carried out to determine the prevalence of gastrointestinal parasites and lungworm nematodes in dairy calves from five different ecoclimatic areas of Costa Rica. Also intensity of infection of nematodes was determined. In order to describe management practices and...

Author(s)
Jiménez, A. E.; Fernández, A.; Alfaro, R.; Dolz, G.; Vargas, B.; Epe, C.; Schnieder, T.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2010, 173, 3/4, pp 236-246
Abstract

A longitudinal survey was carried out to determine and describe the prevalence and intensity of gastrointestinal parasite infections and Dictyocaulus viviparus in a dairy and a beef cattle farm of two different ecological zones in Costa Rica. The influence of anthelmintic treatment, age and...

Author(s)
Jiménez, A. E.; Montenegro, V. M.; Hernández, J.; Dolz, G.; Maranda, L.; Galindo, J.; Epe, C.; Schnieder, T.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2007, 148, 3/4, pp 262-271
Abstract

A cross-sectional serological survey of Dictyocaulus viviparus was carried out to determine the prevalence of lungworm infections in 28 dairy cattle farms distributed in five selected areas from Costa Rica. The influence of area, farm, host (breed, age and lactation number) and ecological factors...

Author(s)
Jiménez, A. E.; Fernández, A.; Dolz, G.; Vargas, B.; Epe, C.; Schnieder, T.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2008, 154, 3/4, pp 294-299
Abstract

Two groups of 10 first-year grazing cattle were either left untreated as controls (group 1) or treated with eprinomectin (Eprinex; 500 µg/kg) as a pour-on application at turnout and 8 weeks later (group 2). All cattle were weighed before turnout, at 4, 6 and 8 weeks after turnout and at 4-week...

Author(s)
Epe, C.; Woldtke, S.; Pape, M.; Heise, M.; Kraemer, F.; Kohlmetz, C.; Schnieder, T.
Citation
Veterinary Record, 1999, 144, 14, pp 380-382
Abstract

Interactions between treatment with an ivermectin bolus (designed to release 12 mg/day over 135 days) at turnout and immunity to bovine parasitic gastroenteritis and bronchitis were examined. Immunity-related parameters, i.e. development of clinical disease, parasite development and stimulation of...

Author(s)
Schnieder, T.; Epe, C.; Samson-Himmelstjerna, G. von; Kohlmetz, C.
Citation
Veterinary Parasitology, 1996, 64, 3, pp 239-250
Abstract

Author(s)
Schnieder, T.; Epe, C.; Samson-Himmelstjema, G.; Kohlmetz, C.
Publisher
Deutsche Veterinärmedizinische Gesellschaft, Giessen/Lahn, Germany
Citation
Therapie und planmässige Bekämpfung von Parasitosen der Nutztiere und des Pferdes: Tagung der Fachgruppe "Parasitologie und parasitäre Krankheiten", Bad Langensalza, Germany, 28.-30.06.1995., 1996, pp 78-81
Abstract

In a comparative study of the lungworm species D. viviparus and D. eckerti (which is not universally accepted as a separate species), the restriction fragment length polymorphism (RFLP) of the PCR amplified ribosomal second internal transcribed spacer (ITS2) and their sequences were examined....

Author(s)
Epe, C.; Samson-Himmelstjerna, G. von; Stoye, M.; Schnieder, T.
Citation
Berliner und Münchener Tierärztliche Wochenschrift, 1996, 109, 6/7, pp 227-231
Abstract

The second internal transcribed spacer (ITS2) of the ribosomal DNA of Dictyocaulus viviparus from cattle, D. eckerti from fallow deer, D. filaria from sheep and D. arnfieldi from donkeys was sequenced to investigate the genetic relationships among lungworm species, especially between D. viviparus...

Author(s)
Epe, C.; Samson-Himmelstjerna, G. V.; Schnieder, T.
Citation
Research in Veterinary Science, 1997, 62, 1, pp 17-21

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