Search Results - "Amarante, A F"

Multiple resistance to anthelmintics by Haemonchus contortus and Trichostrongylus colubriformis in sheep in Brazil by Almeida, F.A, Garcia, K.C.O.D, Torgerson, P.R, Amarante, A.F.T

“…Abstract The objective of this study was to determine the level of resistance of Haemonchus contortus and Trichostrongylus colubriformis in sheep to…”
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Trials with the Haemonchus vaccine, Barbervax®, in ewes and lambs in a tropical environment: Nutrient supplementation improves protection in periparturient ewes by Bassetto, C.C., Almeida, F.A., Newlands, G.F.J., Smith, W.D., Castilhos, A.M., Fernandes, S., Siqueira, E.R., Amarante, A.F.T.

“…•Vaccination of grazing ewes and lambs against Haemonchus contortus.•The nutritional status affects the outcome of the vaccine against haemonchosis.•Vaccinated…”
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Combined effects of Limonene and Ivermectin on P-glycoprotein-9 gene expression of lambs Infected with Haemonchus contortus by Katiki, L.M., Giglioti, R., Ferreira, J.F.S., Pacheco, P.A., Barbosa, H.Z., Rodrigues, L., Veríssimo, C.J., Braga, P.A.C., Amarante, A.F.T., Louvandini, H.

“…Although ivermectin (IVM) has a wide spectrum and long half-life, its frequent use as an anthelmintic for the last 42 years led to its worldwide tolerance by…”
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Diagnostic accuracy of Somaticell, California Mastitis Test, and microbiological examination of composite milk to detect Streptococcus agalactiae intramammary infections by Rossi, R S, Amarante, A F, Correia, L B N, Guerra, S T, Nobrega, D B, Latosinski, G S, Rossi, B F, Rall, V L M, Pantoja, J C F

“…The objectives of this study were to estimate the accuracy of Somaticell (Idexx Laboratories Inc., Westbrook, ME), California Mastitis Test (CMT), and…”
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Antibodies to Neospora caninum and Toxoplasma gondii in domestic cats from Brazil by BRESCIANI, K. D. S, GENNARI, S. M, SERRANO, A. C. M, RODRIGUES, A. A. R, UENO, T, FRANCO, L. G, PERRI, S. H. V, AMARANTE, A. F. T

“…The occurrence of antibodies to Neospora caninum and Toxoplasma gondii was determined in 400 domestic cats (Siamese, Persian, and undetermined breeds) from the…”
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Anthelmintic activity of Cymbopogon martinii, Cymbopogon schoenanthus and Mentha piperita essential oils evaluated in four different in vitro tests by Katiki, L.M., Chagas, A.C.S., Bizzo, H.R., Ferreira, J.F.S., Amarante, A.F.T.

“…Anthelmintic resistance is a worldwide concern in small ruminant industry and new plant-derived compounds are being studied for their potential use against…”
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Influence of breed and parasite challenge on the immune response to naturally acquired intestinal nematode infection in sheep by Albuquerque, A C A, Almeida, F A, Bassetto, C C, Lins, J G G, Amarante, A F T

“…Natural infection by intestinal nematodes was assessed in Santa Ines and Ile de France sheep breeds, over a five-month grazing period, with emphasis on the…”
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Evaluation of encapsulated anethole and carvone in lambs artificially- and naturally-infected with Haemonchus contortus by Katiki, L.M., Araujo, R.C., Ziegelmeyer, L., Gomes, A.C.P., Gutmanis, G., Rodrigues, L., Bueno, M.S., Veríssimo, C.J., Louvandini, H., Ferreira, J.F.S., Amarante, A.F.T.

“…Molecules from natural sources, such as essential oils, have shown activity against parasites in vitro, but have not yet been explored extensively in vivo…”
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Vaccination of sheep and cattle against haemonchosis by Bassetto, C C, Amarante, A F T

“…Vaccines against gastrointestinal nematodes are one potential option for the control of parasitic gastroenteritis in ruminants. Excretory/secretory (E/S) and…”
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Establishment of co-infection and hybridization of Haemonchus contortus and Haemonchus placei in sheep by Santos, M C, Amarante, M R V, Amarante, A F T

“…This study aimed to evaluate the simultaneous infections of Haemonchus contortus and Haemonchus placei in sheep, as well as the production of hybrids. A…”
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In vivo selection for Haemonchus contortus resistance to monepantel by Niciura, S C M, Cruvinel, G G, Moraes, C V, Chagas, A C S, Esteves, S N, Benavides, M V, Amarante, A F T

“…Gastrointestinal nematodes significantly affect the ovine industry, and Haemonchus contortus is considered the most pathogenic parasite in tropical regions…”
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Attempts to vaccinate ewes and their lambs against natural infection with Haemonchus contortus in a tropical environment by Bassetto, C.C., Picharillo, M.É., Newlands, G.F.J., Smith, W.D., Fernandes, S., Siqueira, E.R., Amarante, A.F.T.

“…•A vaccine made from Haemonchus contortus was trialled in grazing sheep in Brazil.•Vaccination reduced worm burden and egg counts of H. contortus in lambs.•A…”
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Efficacy of the nematode-trapping fungus Duddingtonia flagrans against infections by Haemonchus and Trichostrongylus species in lambs at pasture by Rocha, R A, Araújo, J V, Amarante, A F T

“…The efficacy of the nematode-trapping fungus Duddingtonia flagrans against infections by trichostrongyle nematodes in sheep was assessed throughout 6 months…”
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Immune response and performance of growing Santa Ines lambs to artificial Trichostrongylus colubriformis infections by Cardia, D.F.F., Rocha-Oliveira, R.A., Tsunemi, M.H., Amarante, A.F.T.

“…This study was carried out to evaluate the immune response and the impact of Trichostrongylus colubriformis infections on the performance of growing Santa Ines…”
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Moxidectin-resistant nematodes in cattle in Brazil by Condi, G.K., Soutello, R.G.V., Amarante, A.F.T.

“…The frequent use of anthelmintics in cattle has contributed to the emergence of gastrointestinal nematode populations resistant to the drugs available in the…”
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Immune responses in sheep naturally infected with Oestrus ovis (Diptera: Oestridae) and gastrointestinal nematodes by Silva, B.F., Bassetto, C.C., Amarante, A.F.T.

“…This study was carried out to evaluate the immune response in young Ile de France (IF) and Santa Ines (SI) sheep naturally infected by Oestrus ovis and…”
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PCR primers for straightforward differentiation of Haemonchus contortus, Haemonchus placei and their hybrids by Amarante, M R V, Santos, M C, Bassetto, C C, Amarante, A F T

“…Haemonchus contortus and Haemonchus placei are among the major parasites of small ruminants and cattle. Although infection with these nematodes is…”
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Resistance of Santa Ines and crossbred ewes to naturally acquired gastrointestinal nematode infections by Amarante, A.F.T., Susin, I., Rocha, R.A., Silva, M.B., Mendes, C.Q., Pires, A.V.

“…This trial was carried out in Piracicaba, São Paulo State, Brazil, to comparatively evaluate the degree of resistance to naturally acquired gastrointestinal…”
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Anthelmintic resistance in cattle nematodes in northwestern São Paulo State, Brazil by Soutello, R.G.V., Seno, M.C.Z., Amarante, A.F.T.

“…The present study was carried out in the northwestern region of São Paulo State, Brazil, to determine the anthelmintic resistance status in cattle naturally…”
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Vaccination of grazing calves with antigens from the intestinal membranes of Haemonchus contortus: effects against natural challenge with Haemonchus placei and Haemonchus similis by Bassetto, C.C., Silva, M.R.L., Newlands, G.F.J., Smith, W.D., Ratti Júnior, J., Martins, C.L., Amarante, A.F.T.

“…[Display omitted] •A vaccine made from Haemonchus contortus was trialled in grazing calves in Brazil.•Repeated vaccination substantially reduced Haemonchus…”
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