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Expression of transporter genes in anthelmintic resistant isolates of Haemonchus contortus. Author(s): VIEIRA, L. da S.; TEIXEIRA, M.; MONTEIRO, J. P. Abstract - ATP-binding cassette (ABC) transporters, including P-glycoproteins (PGP), have been implicated in drug resistance in different organisms including Haemonchus contortus. This study confirmed... ... Repository: BDPA Publication year: 2024
Caenorhabditis elegans as a model to screen plant extracts and compounds as natural anthelmintics for veterinary use. Author(s): CHAGAS, A. C. de S. The most challenging obstacles to testing products for their anthelmintic activity are: (1) establishing a suitable nematode in vitro assay that can evaluate potential product use against a parasitic... ... Repository: BDPA Publication year: 2011
Anthelmintic effect of Pterogyne nitens (Fabaceae) on eggs and larvae of Haemonchus contortus: analyses of structure-activity relationships based on phenolic compounds. Author(s): LIMA, C. S.; PEREIRA, M. H.; ALEMÁN GAINZA, Y.; HOSTE, H.; REGASINI, L. O.; CHAGAS, A. C. de S. Due to high prevalence and large pathogenicity, Haemonchus contortus is the main gastrointestinal nematode in tropical and subtropical regions. This species is responsible for severe economic losses t... ... Repository: BDPA Publication year: 2021
Biological activity of cinnamaldehyde, citronellal, geraniol and anacardic acid on Haemonchus contortus isolates susceptible and resistant to synthetic anthelmintics. Author(s): TEIXEIRA, M.; VIEIRA, L. da S.; MONTEIRO, J. P. Abstract: Parasitism by gastrointestinal nematodes is a challenge for small ruminant farming worldwide. It causes productive and economic losses, especially due to parasite resistance to conventional... ... Repository: BDPA Publication year: 2023
Chemical composition and anthelmintic activity in vitro of the essential oil of Mentha piperita: preliminary data. Author(s): MONTEIRO, J. P.; TEIXEIRA, M. Abstract: Research towards plant compounds with activity against worm parasites has been carried out for a number of decades; however it is especially important now when drench resistance has compromi... ... Repository: BDPA Publication year: 2017
Investigation of anthelmintic activity of Eucalyptus staigeriana essential oil on goat gastrointestinal nematodes. Author(s): VIEIRA, L. da S. Repository: BDPA Publication year: 2009
Determination of parasite resistance status to anthelmintics through the larval development test. Author(s): NICIURA, S. C. M.; CHAGAS, A. C. de S. The control of gastrointestinal nematodes of small ruminants has been carried out through intense and indiscriminate use of anthelmintics. Repository: BDPA Publication year: 2017
Anthelmintic resistance diagnosis of Haemonchus contortus isolates through Resista-Test©. Author(s): BASSETTO, C. C.; CHOCOBAR, M. L. E.; GAINZA, Y. A.; SANTOS, L. A. L.; BELLO, H. J. S.; SILVA, N. M. M.; AMARANTE, A. F. T.; CHAGAS, A. C. de S. A novel larval development test (LDT) named RESISTA-Test© was developed to detect anthelmintic resistance using a 96-well culture plate. Repository: BDPA Publication year: 2023
Revisiting anthelmintic resistance in sheep flocks from São Paulo State, Brazil. Author(s): NICIURA, S. C. M.; CHAGAS, A. C. de S. Haemonchus contortus and Trichostrongylus colubriformis are the most important gastrointestinal nematodes causing serious losses in sheep production of tropical and subtropical regions. Prophylaxis of... ... Repository: BDPA Publication year: 2024
Anthelmintic resistance of Haemonchus contortus from sheep flocks in Brazil: concordance of in vivo and in vitro (RESISTA-Test©) methods. Author(s): ALEMÁN GAINZA, Y.; SANTOS, I. B. DOS; FIGUEIREDO, A.; SANTOS, L. A. L. DOS; ESTEVES, S. N.; BARIONI JUNIOR, W.; MINHO, A. P.; CHAGAS, A. C. de S. This study evaluated the resistance status of Haemonchus contortus from sheep flocks in the state of São Paulo, Brazil, through comparison between the fecal egg count reduction test (FECRT) and the la... ... Repository: BDPA Publication year: 2021

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