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Abstract

Cooperia sp. and Ostertagia sp. are two cosmopolitan parasitic nematodes often found in mixed gastrointestinal infections in cattle across temperate regions. In light of the recent increase in the emergence of anthelmintic resistance in these and other nematodes derived from cattle around the...

Author(s)
Baltrušis, P.; Halvarsson, P.; Höglund, J.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Parasitology Research, 2019, 118, 10, pp 2901-2907
Abstract

A systematic review and meta-analysis was conducted to identify, evaluate, and synthesize primary literature reporting the efficacy of anthelmintic drugs in cattle. Information on the bibliographic data, anthelmintic drugs, animals, reduction method, days after application, parasite genera, type of ...

Author(s)
Baiak, B. H. B.; Lehnen, C. R.; Rocha, R. A. da
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2018, 217, pp 127-135
Abstract

Six suspected cases of ivermectin resistance in Ostertagia spp. in cattle were investigated after routine anthelmintic efficacy testing on commercial farms. On four farms a comprehensive faecal egg count reduction test (FECRT) was undertaken using oral formulations of ivermectin (0.2 mg/kg),...

Author(s)
Waghorn, T. S.; Miller, C. M.; Leathwick, D. M.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2016, 229, pp 139-143
Abstract

In phase I, faecal egg count reduction tests (FECRT) were conducted on six commercial cattle farms to compare the performance of two pour-on and one oral combination anthelmintic. Groups of 12-15 calves were sampled for faecal nematode egg count (FEC) before treatment with either abamectin oral,...

Author(s)
Leathwick, D. M.; Miller, C. M.; Sauermann, C. W.; Candy, P. M.; Ganesh, S.; Fraser, K.; Waghorn, T. S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2016, 227, pp 85-92
Abstract

North American bison (Bison bison) producers face many challenges, including the potential clinical and economics problems caused by trichostrongyle nematodes within their herds. Little is known about the prevalence, intensity, geographical distribution and clinical significance of these parasites...

Author(s)
Eljaki, A. A.; Al-Kappany, Y. M.; Grosz, D. D.; Smart, A. J.; Hildreth, M. B.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2016, 227, pp 48-55
Abstract

A dynamic, deterministic model was developed to investigate the consequences of parasitism with Ostertagia ostertagi, the most prevalent and economically important gastrointestinal parasite of cattle in temperate regions. Interactions between host and parasite were considered to predict the level...

Author(s)
Berk, Z.; Bishop, S. C.; Forbes, A. B.; Kyriazakis, I.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2016, 226, pp 198-209
Abstract

Anthelmintic resistance has seriously undermined helminth control in ruminants. Faecal egg count reduction tests (FECRT) conducted between 5th and 27th January 2015 established prevalence of anthelmintic resistant nematodes in a goat and a cattle herd. Study animals were identified through a...

Author(s)
Mungube, E. O.; Wamae, L. W.; Omondi, G. A.; Mwangi, G.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2015, 27, 12, pp Article 237
Abstract

The objective of this study was to evaluate the status of anthelmintic resistance (AR) in ruminants and horses in Spain. The efficacy of commonly used macrocyclic lactones (MLs) - ivermectin (IVM) and moxidectin (MOX) - was measured in sheep, cattle and horses. In addition, albendazole (ABZ) and...

Author(s)
Martínez-Valladares, M.; Geurden, T.; Bartram, D. J.; Martínez-Pérez, J. M.; Robles-Pérez, D.; Bohórquez, A.; Florez, E.; Meana, A.; Rojo-Vázquez, F. A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2015, 211, 3/4, pp 228-233
Abstract

Resistance to benzimidazoles (BZs) is widespread in sheep nematodes and increasing in those of cattle. Several reasons including the predominant use of pour-on anthelmintics and lack of scales in field conditions lead to under-dosing of cattle and therefore to increased selection pressure. In an...

Author(s)
Knapp-Lawitzke, F.; Krücken, J.; Ramünke, S.; Samson-Himmelstjerna, G. von; Demeler, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2015, 209, 1/2, pp 84-92
Abstract

With increasing concerns of anthelmintic resistance in cattle nematode populations worldwide, there is a need to explore alternative approaches to nematode control. One alternative approach is the use of targeted selective treatments (TST) where only individual animals are treated instead of the...

Author(s)
O'Shaughnessy, J.; Earley, B.; Mee, J. F.; Doherty, M. L.; Crosson, P.; Barrett, D.; Waal, T. de
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2015, 209, 3/4, pp 221-228

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