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Abstract

The aim of the present study was to evaluate the effects of treatment with different anthelmintic compounds on the productivity of naturally infected calves and the economic viability of these treatments within extensive breeding systems employing different nutritional strategies after weaning. For ...

Author(s)
Ramos, F.; Marques, C. B.; Reginato, C. Z.; Rodrigues, F. de S.; Sangioni, L. A.; Vogel, F. S. F.; Pötter, L.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Parasitology Research, 2018, 117, 12, pp 3993-4002
Abstract

The aim of this study was to evaluate, in a commercial feedlot, the effect of different anthelmintic drugs on the productivity of naturally infected calves from a cow-calf operation, where resistance to ivermectin (IVM) has been previously detected. The study began with the random selection of 80...

Author(s)
Fazzio, L. E.; Sánchez, R. O.; Streitenberger, N.; Galvan, W. R.; Giudici, C. J.; Gimeno, E. J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2014, 206, 3/4, pp 240-245
Abstract

Next-generation deep amplicon sequencing, or metabarcoding, has revolutionized the study of microbial communities in humans, animals and the environment. However, such approaches have yet to be applied to parasitic helminth communities. We recently described the first example of such a method -...

Author(s)
Avramenko, R. W.; Redman, E. M.; Lewis, R.; Bichuette, M. A.; Palmeira, B. M.; Yazwinski, T. A.; Gilleard, J. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2017, 47, 13, pp 893-902
Abstract

Nematodicidal combinations have been proposed as a valid strategy to achieve effective nematode control in the presence of drug resistance. The goals of this study were: (1) to compare the clinical efficacy (therapeutic response) of ivermectin (IVM) and ricobendazole (RBZ) given subcutaneously...

Author(s)
Canton, C.; Ceballos, L.; Fiel, C.; Moreno, L.; Yagüez, P. D.; Bernat, G.; Lanusse, C.; Alvarez, L.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2017, 234, pp 40-48
Abstract

Production of beef cattle is one of the most important economic activities in Mexico. However, anthelmintic resistance (AR) has affected animal productivity. The aim of this study was to determine the presence of AR in gastrointestinal nematodes (GIN) of beef cattle in Candelaria Municipality of...

Author(s)
Muñiz-Lagunes, A.; González-Garduño, R.; López-Arellano, M. E.; Ramírez-Valverde, R.; Ruíz-Flores, A.; García-Muñiz, G.; Ramírez-Vargas, G.; Mendoza-de Gives, P.; Torres-Hernández, G.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2015, 47, 6, pp 1049-1054
Abstract

Anthelmintic resistance (AR) of gastrointestinal nematodes to macrocyclic lactones is an increasingly common worldwide phenomenon limiting cattle production. This has motivated the search for alternatives, such as new active compounds, added drug synergisms, different doses, and alternate...

Author(s)
Fazzio, L. E.; Streitenberger, N.; Galvan, W. R.; Sánchez, R. O.; Gimeno, E. J.; Sanabria, R. E. F.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2016, 223, pp 26-29
Abstract

Brazil has a herd of 212 million cattle and 171 million hectares of pastures that produce approximately 96% of Brazilian beef. The Brazilian production system enables animal infection by endoparasites, which are considered one of the main obstacles for the development of this industry and are...

Author(s)
Silva, M. E. da; Braga, F. R.; Borges, L. A.; Oliveira, J. M. de; Lima, W. dos S.; Guimarães, M. P.; Araújo, J. V. de
Publisher
Springer, Dordrecht, Netherlands
Citation
Veterinary Research Communications, 2014, 38, 2, pp 101-106
Abstract

The performance of grazing cattle in tropical areas is deeply influenced by parasitism, and the increasing reports of resistance are a threat to effective nematode control. The present study aimed to evaluate the effect of avermectins on the performance of weaned calves naturally infected by...

Author(s)
Borges, F. A.; Almeida, G. D.; Heckler, R. P.; Lemes, R. T.; Onizuka, M. K. V.; Borges, D. G. L.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2013, 45, 3, pp 723-727
Abstract

The aim of this study was to identify the presence of anthelmintic resistance to benzimidazole (BZ) in gastrointestinal nematodes (GIN) from naturally infected calves in the tropical regions of Campeche State of Mexico. The faecal egg count reduction test (FECRT) was conducted at 10 livestock farms ...

Author(s)
Encalada-Mena, L.; Tuyub-Solis, H.; Ramirez-Vargas, G.; Mendoza-de-Gives, P.; Aguilar-Marcelino, L.; López-Arellano, M. E.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2014, 205, 1/2, pp 246-254
Abstract

Worm-free lambs (n = 6) were infected with 5 000 L3 of an ivermectin/benzimidazole/closantel resistant strain of H. contortus. On day 21 post infection animals were allocated according to worm egg counts, to 2 groups of 3 animals each and on day 29 one group was treated with albendazole at 3.8...

Author(s)
Echevarria, F. A. M.; Armour, J.; Bairden, K.; Duncan, J. L.
Citation
Journal of the South African Veterinary Association, 1993, 64, 1, pp 31-34

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