Infections with helminth parasites can negatively affect performance of dairy cows. Knowledge on infection intensity, spatial distributions and risk factors are key to develop targeted treatment strategies. Canada and most EU countries have conducted large investigations, but respective data for...
Author(s)
Frey, C. F.; Eicher, R.; Raue, K.; Strube, C.; Bodmer, M.; Hentrich, B.; Gottstein, B.; Marreros, N.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2018, 250, pp 52-59
The efficacy of eprinomectin in an extended-release injection (ERI) formulation was evaluated against infections with third-stage larvae or eggs of gastrointestinal and pulmonary nematodes in cattle under 120-day natural challenge conditions in a series of five studies conducted in the USA (three...
Author(s)
Rehbein, S.; Baggott, D. G.; Johnson, E. G.; Kunkle, B. N.; Yazwinski, T. A.; Yoon, S.; Cramer, L. G.; Soll, M. D.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2013, 192, 4, pp 321-331
The objective of this study was to estimate the association between Dictyocaulus viviparus bulk tank milk (BTM) test results and milk production and milk composition parameters in adult Dutch dairy cattle herds. Bulk tank milk samples were collected in August and November 2013, and ELISA tests were ...
Author(s)
Dank, M.; Holzhauer, M.; Veldhuis, A.; Frankena, K.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2015, 98, 11, pp 7741-7747
The persistent activity of ivermectin long-acting injection (IVM LAI; IVOMEC® GOLD, Merial; 3.15% ivermectin w/v) against nematode infections of cattle was evaluated under natural challenge conditions. Seventy nematode-free Brown Swiss calves were blocked by pre-treatment bodyweight and allocated...
Author(s)
Rehbein, S.; Knaus, M.; Visser, M.; Winter, R.; Yoon, S.; Anderson, A.; Cramer, L.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Parasitology Research, 2015, 114, 1, pp 47-54
Using a new sensitive egg count test, FLOTAC, it has been shown that macrocyclic lactones (MLs) had reduced efficacy against gastrointestinal nematodes including Cooperia species and Ostertagia ostertagi on the majority of cattle farms investigated. Product failure was also found to levamisole...
Author(s)
Coles, G. C.; Stafford, K. A.; Morgan, E. R.
Publisher
British Cattle Veterinary Association, Frampton-on-Severn, UK
Citation
Cattle Practice, 2010, 18, 3, pp 139-141
A series of 10 dose confirmation studies was conducted to evaluate the persistent activity of an extended-release injectable (ERI) formulation of eprinomectin against single point challenge infections of gastrointestinal and pulmonary nematodes of cattle. The formulation, selected based on the...
Author(s)
Soll, M. D.; Kunkle, B. N.; Royer, G. C.; Yazwinski, T. A.; Baggott, D. G.; Wehner, T. A.; Yoon, S.; Cramer, L. G.; Rehbein, S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2013, 192, 4, pp 313-320
The efficacy of eprinomectin in an extended-release injection (ERI) formulation in the treatment of cattle harboring naturally acquired nematode populations (including inhibited nematodes) was evaluated. Five studies were conducted under a similar protocol in the USA, the UK, and in Germany. All...
Author(s)
Hunter, J. S., III; Yoon, S.; Yazwinski, T. A.; Williams, J. C.; Rehbein, S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2013, 192, 4, pp 346-352
Infections with Dictyocaulus viviparus and Ostertagia ostertagi nematode parasites are of importance to bovine health and production in temperate areas across the world. Losses due to these parasites in dairy herds can be considerable due to decreased milk productivity and fertility. However,...
Author(s)
Bloemhoff, Y.; Forbes, A.; Good, B.; Morgan, E.; Mulcahy, G.; Strube, C.; Sayers, R.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2015, 209, 1/2, pp 108-116
During the current century, 88 species of parasites have been recorded in Bison bonasus. These are 22 species of protozoa (Trypanosoma wrublewskii, T. theileri, Giardia sp., Sarcocystis cruzi, S. hirsuta, S. hominis, S. fusiformis, Neospora caninum, Toxoplasma gondii, Cryptosporidium sp., Eimeria...
Author(s)
Karbowiak, G.; Demiaszkiewicz, A. W.; Pyziel, A. M.; Wita, I.; Moskwa, B.; Werszko, J.; Bień, J.; Goździk, K.; Lachowicz, J.; Cabaj, W.
Publisher
Versita, Warsaw, Poland
Citation
Acta Parasitologica, 2014, 59, 3, pp 363-371
A 3-year grazing trial was performed during 2003-2005 on a commercial steer-producing farm in Sweden to study performance of second-season grazing (SSG) cattle following different levels of parasite exposure during their first grazing season. Initially, groups of 10 first-season grazing (FSG) ...
Author(s)
Larsson, A.; Uggla, A.; Waller, P. J.; Höglund, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2011, 175, 1/2, pp 135-140