Multiple anthelmintic resistance in Southern Brazil sheep flocks
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Parasitologia Veterinária (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612017000400427 |
Resumo: | Abstract Gastrointestinal parasites represent an important cause of reduced productivity of sheep worldwide. As anthelmintic are still the main control tool for these parasites, this work evaluated the efficacy of commercially available active principles in 22 sheep flocks in the southern region of Rio Grande do Sul, Brazil. In each farm 10 sheep were randomly distributed in seven groups with the following treatments: abamectin; albendazole; closantel; levamisole; monepantel; trichlorphon and no anthelmintic (control). All flocks showed resistance to at least three anthelmintics and in 20 farms only two products demonstrated efficacy for parasitic control. In two farms, there was no susceptibility to the six active principles tested. The results of this study provide evidence that the common commercially available anthelmintic are not assuring effective chemical control of gastrointestinal parasitic infections in ovine flocks in the southern region of Rio Grande do Sul. Monepantel, the newest introduced drug in the Brazilian market was not effective in 18% of the flocks tested, confirming that the parasitic resistance can be established quickly after the introduction of new molecules mainly when alternative program of parasite control is not performed. |
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Multiple anthelmintic resistance in Southern Brazil sheep flocksSheep breedinggastrointestinal nematodeschemical controlresistanceAbstract Gastrointestinal parasites represent an important cause of reduced productivity of sheep worldwide. As anthelmintic are still the main control tool for these parasites, this work evaluated the efficacy of commercially available active principles in 22 sheep flocks in the southern region of Rio Grande do Sul, Brazil. In each farm 10 sheep were randomly distributed in seven groups with the following treatments: abamectin; albendazole; closantel; levamisole; monepantel; trichlorphon and no anthelmintic (control). All flocks showed resistance to at least three anthelmintics and in 20 farms only two products demonstrated efficacy for parasitic control. In two farms, there was no susceptibility to the six active principles tested. The results of this study provide evidence that the common commercially available anthelmintic are not assuring effective chemical control of gastrointestinal parasitic infections in ovine flocks in the southern region of Rio Grande do Sul. Monepantel, the newest introduced drug in the Brazilian market was not effective in 18% of the flocks tested, confirming that the parasitic resistance can be established quickly after the introduction of new molecules mainly when alternative program of parasite control is not performed.Colégio Brasileiro de Parasitologia Veterinária2017-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612017000400427Revista Brasileira de Parasitologia Veterinária v.26 n.4 2017reponame:Revista Brasileira de Parasitologia Veterinária (Online)instname:Colégio Brasileiro de Parasitologia Veterinária (CBPV)instacron:CBPV10.1590/s1984-29612017058info:eu-repo/semantics/openAccessOliveira,Plínio Aguiar deRiet-Correa,BeatrizEstima-Silva,PabloCoelho,Ana Carolina BarretoSantos,Bianca Lemos dosCosta,Marco André PaldêsRuas,Jerônimo LopesSchild,Ana Luciaeng2018-06-19T00:00:00Zoai:scielo:S1984-29612017000400427Revistahttp://www.scielo.br/scielo.php?script=sci_serial&lng=pt&pid=1984-2961https://old.scielo.br/oai/scielo-oai.php||zacariascbpv@fcav.unesp.br1984-29610103-846Xopendoar:2018-06-19T00:00Revista Brasileira de Parasitologia Veterinária (Online) - Colégio Brasileiro de Parasitologia Veterinária (CBPV)false |
dc.title.none.fl_str_mv |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
title |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
spellingShingle |
Multiple anthelmintic resistance in Southern Brazil sheep flocks Oliveira,Plínio Aguiar de Sheep breeding gastrointestinal nematodes chemical control resistance |
title_short |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
title_full |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
title_fullStr |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
title_full_unstemmed |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
title_sort |
Multiple anthelmintic resistance in Southern Brazil sheep flocks |
author |
Oliveira,Plínio Aguiar de |
author_facet |
Oliveira,Plínio Aguiar de Riet-Correa,Beatriz Estima-Silva,Pablo Coelho,Ana Carolina Barreto Santos,Bianca Lemos dos Costa,Marco André Paldês Ruas,Jerônimo Lopes Schild,Ana Lucia |
author_role |
author |
author2 |
Riet-Correa,Beatriz Estima-Silva,Pablo Coelho,Ana Carolina Barreto Santos,Bianca Lemos dos Costa,Marco André Paldês Ruas,Jerônimo Lopes Schild,Ana Lucia |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Oliveira,Plínio Aguiar de Riet-Correa,Beatriz Estima-Silva,Pablo Coelho,Ana Carolina Barreto Santos,Bianca Lemos dos Costa,Marco André Paldês Ruas,Jerônimo Lopes Schild,Ana Lucia |
dc.subject.por.fl_str_mv |
Sheep breeding gastrointestinal nematodes chemical control resistance |
topic |
Sheep breeding gastrointestinal nematodes chemical control resistance |
description |
Abstract Gastrointestinal parasites represent an important cause of reduced productivity of sheep worldwide. As anthelmintic are still the main control tool for these parasites, this work evaluated the efficacy of commercially available active principles in 22 sheep flocks in the southern region of Rio Grande do Sul, Brazil. In each farm 10 sheep were randomly distributed in seven groups with the following treatments: abamectin; albendazole; closantel; levamisole; monepantel; trichlorphon and no anthelmintic (control). All flocks showed resistance to at least three anthelmintics and in 20 farms only two products demonstrated efficacy for parasitic control. In two farms, there was no susceptibility to the six active principles tested. The results of this study provide evidence that the common commercially available anthelmintic are not assuring effective chemical control of gastrointestinal parasitic infections in ovine flocks in the southern region of Rio Grande do Sul. Monepantel, the newest introduced drug in the Brazilian market was not effective in 18% of the flocks tested, confirming that the parasitic resistance can be established quickly after the introduction of new molecules mainly when alternative program of parasite control is not performed. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-12-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612017000400427 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612017000400427 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/s1984-29612017058 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Colégio Brasileiro de Parasitologia Veterinária |
publisher.none.fl_str_mv |
Colégio Brasileiro de Parasitologia Veterinária |
dc.source.none.fl_str_mv |
Revista Brasileira de Parasitologia Veterinária v.26 n.4 2017 reponame:Revista Brasileira de Parasitologia Veterinária (Online) instname:Colégio Brasileiro de Parasitologia Veterinária (CBPV) instacron:CBPV |
instname_str |
Colégio Brasileiro de Parasitologia Veterinária (CBPV) |
instacron_str |
CBPV |
institution |
CBPV |
reponame_str |
Revista Brasileira de Parasitologia Veterinária (Online) |
collection |
Revista Brasileira de Parasitologia Veterinária (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Parasitologia Veterinária (Online) - Colégio Brasileiro de Parasitologia Veterinária (CBPV) |
repository.mail.fl_str_mv |
||zacariascbpv@fcav.unesp.br |
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1754208916978270208 |