Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte

Detalhes bibliográficos
Autor(a) principal: Assis, Rafaela Carolina Lopes
Data de Publicação: 2013
Tipo de documento: Tese
Idioma: por
Título da fonte: LOCUS Repositório Institucional da UFV
Texto Completo: http://locus.ufv.br/handle/123456789/1461
Resumo: Sodium alginate pellets of two different nematode predatory fungus D. flagrans and Monacrosporium thaumasium (biologic control) and Moxidectin (chemical control) were evaluated in the control of bulls gastrointestinal nematodiasis. Four groups of ten six month-old male Nellore calves were kept in paddocks of Brachiaria decumbens for 12 months. Each animal of group A received 1g/10 kg of body weight (b.w.) of pellets of D. flagrans (0.2 g of fungus/10 kg b.w.) twice a week, for 12 months. In group B, each animal received 1g/10 Kg of body weight of M. thaumasium pellets, twice a week, for 12 months. In group C each animal received 1 mL/50 Kg body weight of the anthelmintic moxidectin 1% in May, July and September 2010. Animals of the group control (group D) received no treatment. In the analysis of fecal egg count (EPG) of groups A and B were 56.7% and 47.8% smaller than control group (p<0.05). The Moxidectin reduced by 93.8% in the first six months of the study (period of application) and 12.4% in the last six months, indicating re-infection by nematodes. The biologic control maintains a low EPG in long-term while chemical control results in a short-term effect. The percentage reduction of L3 in relation to the group control in the distances of up to 20 and 20-40 cm from the fecal pat was 64.5% and 73%, respectively, for group A, group B showed percentage reductions of 47.3% and 58%, in the same distances. The fungal isolate of D. flagrans (AC001) showed greater reduction of EPG and L3 on pasture when compared to M. thaumasium. Treatment of bulls with pellets containing the nematophagous fungus and moxidectin can be used integrated as an alternative treatment of bovine gastrointestinal nematodiasis; however, biologic was more efficient than chemical control for a long-term and allows improvement in weight gain of calves, an essential factor for beef cattle.
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spelling Assis, Rafaela Carolina Lopeshttp://lattes.cnpq.br/3855784116261427Braga, Fábio Ribeirohttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4537780H4Araújo, Jackson Victor dehttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780836D6Souza, Maria Verônica dehttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4727991E0Cury, Márcia Cristinahttp://lattes.cnpq.br/6786546501593108Angelo, Isabele da Costahttp://lattes.cnpq.br/50280955433360522015-03-26T12:47:49Z2014-01-312015-03-26T12:47:49Z2013-07-25ASSIS, Rafaela Carolina Lopes. Viability of fungi predators Monacrosporium thaumasium and Duddingtonia flagrans and moxidectin on gastrointestinal nematodes of beef cattle. 2013. 97 f. Tese (Doutorado em Biotecnologia, diagnóstico e controle de doenças; Epidemiologia e controle de qualidade de prod. de) - Universidade Federal de Viçosa, Viçosa, 2013.http://locus.ufv.br/handle/123456789/1461Sodium alginate pellets of two different nematode predatory fungus D. flagrans and Monacrosporium thaumasium (biologic control) and Moxidectin (chemical control) were evaluated in the control of bulls gastrointestinal nematodiasis. Four groups of ten six month-old male Nellore calves were kept in paddocks of Brachiaria decumbens for 12 months. Each animal of group A received 1g/10 kg of body weight (b.w.) of pellets of D. flagrans (0.2 g of fungus/10 kg b.w.) twice a week, for 12 months. In group B, each animal received 1g/10 Kg of body weight of M. thaumasium pellets, twice a week, for 12 months. In group C each animal received 1 mL/50 Kg body weight of the anthelmintic moxidectin 1% in May, July and September 2010. Animals of the group control (group D) received no treatment. In the analysis of fecal egg count (EPG) of groups A and B were 56.7% and 47.8% smaller than control group (p<0.05). The Moxidectin reduced by 93.8% in the first six months of the study (period of application) and 12.4% in the last six months, indicating re-infection by nematodes. The biologic control maintains a low EPG in long-term while chemical control results in a short-term effect. The percentage reduction of L3 in relation to the group control in the distances of up to 20 and 20-40 cm from the fecal pat was 64.5% and 73%, respectively, for group A, group B showed percentage reductions of 47.3% and 58%, in the same distances. The fungal isolate of D. flagrans (AC001) showed greater reduction of EPG and L3 on pasture when compared to M. thaumasium. Treatment of bulls with pellets containing the nematophagous fungus and moxidectin can be used integrated as an alternative treatment of bovine gastrointestinal nematodiasis; however, biologic was more efficient than chemical control for a long-term and allows improvement in weight gain of calves, an essential factor for beef cattle.Dois diferentes fungos predadores de nematóides Duddingtonia flagrans (AC001) e Monacrosporium thaumasium (isolado NF34A) e o anti-helmíntico moxidectin foram avaliados no controle de nematóides gastrointestinais de bovinos de corte a campo. Quatro grupos contendo dez bezerros da raça Nelore cada, machos, com seis meses de idade, foram mantidos na fazenda experimental da Universidade Federal de Viçosa, no campus Florestal, Minas Gerais, em piquetes de Brachiaria decumbens por 12 meses, de maio de 2010 a junho de 2011. Cada animal do grupo A recebeu 1g/10 kg de peso vivo (PV) de pellets de alginato de sódio de D. flagrans (0,2 g de fungo/10 kg de PV), duas vezes por semana, durante 12 meses. No grupo B, cada animal recebeu 1g/10 Kg de PV de pellets de alginato de sódio de M. thaumasium, duas vezes por semana, durante 12 meses. No grupo C, cada bezerro recebeu 1mL/50Kg de PV do anti- helmíntico moxidectin a 1% em maio, julho e setembro de 2010. Animais do grupo controle (grupo D) não receberam tratamento. Na contagem de ovos por grama de fezes (OPG) os grupos A e B apresentaram redução de 56,7% e 47,8%, respectivamente em relação ao grupo controle. O moxidectin reduziu o OPG em 93,8% nos primeiros seis meses (período de aplicação), mas nos últimos seis meses a redução foi de 12,4%, indicando reinfecção por nematóides. A redução de L3 na pastagem nas distâncias de 20 e 20-40 cm do bolo fecal foi de 64,5 e 73% para o fungo D. flagrans e 47,3 e 58% para o M. thaumasium. O controle químico com moxidectin não foi capaz de reduzir o número de larvas na pastagem. O isolado fúngico de D. flagrans (AC001) apresentou maior redução de OPG e de L3 na pastagem quando comparado ao M. thaumasium (NF34A). O tratamento do gado de corte com os pellets contendo fungos nematófagos e com o moxidectin pode ser usado de forma integrada como alternativa de controle de nematodioses; no entanto, o controle biológico é mais eficiente do que o controle químico, pois atua em longo prazo e permite melhora no ganho de peso dos bezerros, fator essencial à bovinocultura de corte.Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorapplication/pdfporUniversidade Federal de ViçosaDoutorado em Medicina VeterináriaUFVBRBiotecnologia, diagnóstico e controle de doenças; Epidemiologia e controle de qualidade de prod. deControle biológicoHelmintosFungos nematófagosBiological controlHelminthsNematophagous fungiCNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIAViabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corteViability of fungi predators Monacrosporium thaumasium and Duddingtonia flagrans and moxidectin on gastrointestinal nematodes of beef cattleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/openAccessreponame:LOCUS Repositório Institucional da UFVinstname:Universidade Federal de Viçosa (UFV)instacron:UFVORIGINALtexto completo.pdfapplication/pdf1979297https://locus.ufv.br//bitstream/123456789/1461/1/texto%20completo.pdf38204b99f26d1d2437cf27076a030584MD51TEXTtexto completo.pdf.txttexto completo.pdf.txtExtracted texttext/plain193008https://locus.ufv.br//bitstream/123456789/1461/2/texto%20completo.pdf.txte929d39bbc761a9fef03e49ce7a41315MD52THUMBNAILtexto completo.pdf.jpgtexto completo.pdf.jpgIM Thumbnailimage/jpeg3604https://locus.ufv.br//bitstream/123456789/1461/3/texto%20completo.pdf.jpg3b768409d7fd1145a4532227e0168134MD53123456789/14612016-04-07 23:03:20.727oai:locus.ufv.br:123456789/1461Repositório InstitucionalPUBhttps://www.locus.ufv.br/oai/requestfabiojreis@ufv.bropendoar:21452016-04-08T02:03:20LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)false
dc.title.por.fl_str_mv Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
dc.title.alternative.eng.fl_str_mv Viability of fungi predators Monacrosporium thaumasium and Duddingtonia flagrans and moxidectin on gastrointestinal nematodes of beef cattle
title Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
spellingShingle Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
Assis, Rafaela Carolina Lopes
Controle biológico
Helmintos
Fungos nematófagos
Biological control
Helminths
Nematophagous fungi
CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA
title_short Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
title_full Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
title_fullStr Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
title_full_unstemmed Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
title_sort Viabilidade dos fungos predadores Monacrosporium thaumasium e Duddingtonia flagrans e da moxidectina sobre nematoides gastrintestinais de bovinos de corte
author Assis, Rafaela Carolina Lopes
author_facet Assis, Rafaela Carolina Lopes
author_role author
dc.contributor.authorLattes.por.fl_str_mv http://lattes.cnpq.br/3855784116261427
dc.contributor.author.fl_str_mv Assis, Rafaela Carolina Lopes
dc.contributor.advisor-co1.fl_str_mv Braga, Fábio Ribeiro
dc.contributor.advisor-co1Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4537780H4
dc.contributor.advisor1.fl_str_mv Araújo, Jackson Victor de
dc.contributor.advisor1Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780836D6
dc.contributor.referee1.fl_str_mv Souza, Maria Verônica de
dc.contributor.referee1Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4727991E0
dc.contributor.referee2.fl_str_mv Cury, Márcia Cristina
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/6786546501593108
dc.contributor.referee3.fl_str_mv Angelo, Isabele da Costa
dc.contributor.referee3Lattes.fl_str_mv http://lattes.cnpq.br/5028095543336052
contributor_str_mv Braga, Fábio Ribeiro
Araújo, Jackson Victor de
Souza, Maria Verônica de
Cury, Márcia Cristina
Angelo, Isabele da Costa
dc.subject.por.fl_str_mv Controle biológico
Helmintos
Fungos nematófagos
topic Controle biológico
Helmintos
Fungos nematófagos
Biological control
Helminths
Nematophagous fungi
CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA
dc.subject.eng.fl_str_mv Biological control
Helminths
Nematophagous fungi
dc.subject.cnpq.fl_str_mv CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA
description Sodium alginate pellets of two different nematode predatory fungus D. flagrans and Monacrosporium thaumasium (biologic control) and Moxidectin (chemical control) were evaluated in the control of bulls gastrointestinal nematodiasis. Four groups of ten six month-old male Nellore calves were kept in paddocks of Brachiaria decumbens for 12 months. Each animal of group A received 1g/10 kg of body weight (b.w.) of pellets of D. flagrans (0.2 g of fungus/10 kg b.w.) twice a week, for 12 months. In group B, each animal received 1g/10 Kg of body weight of M. thaumasium pellets, twice a week, for 12 months. In group C each animal received 1 mL/50 Kg body weight of the anthelmintic moxidectin 1% in May, July and September 2010. Animals of the group control (group D) received no treatment. In the analysis of fecal egg count (EPG) of groups A and B were 56.7% and 47.8% smaller than control group (p<0.05). The Moxidectin reduced by 93.8% in the first six months of the study (period of application) and 12.4% in the last six months, indicating re-infection by nematodes. The biologic control maintains a low EPG in long-term while chemical control results in a short-term effect. The percentage reduction of L3 in relation to the group control in the distances of up to 20 and 20-40 cm from the fecal pat was 64.5% and 73%, respectively, for group A, group B showed percentage reductions of 47.3% and 58%, in the same distances. The fungal isolate of D. flagrans (AC001) showed greater reduction of EPG and L3 on pasture when compared to M. thaumasium. Treatment of bulls with pellets containing the nematophagous fungus and moxidectin can be used integrated as an alternative treatment of bovine gastrointestinal nematodiasis; however, biologic was more efficient than chemical control for a long-term and allows improvement in weight gain of calves, an essential factor for beef cattle.
publishDate 2013
dc.date.issued.fl_str_mv 2013-07-25
dc.date.available.fl_str_mv 2014-01-31
2015-03-26T12:47:49Z
dc.date.accessioned.fl_str_mv 2015-03-26T12:47:49Z
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dc.identifier.citation.fl_str_mv ASSIS, Rafaela Carolina Lopes. Viability of fungi predators Monacrosporium thaumasium and Duddingtonia flagrans and moxidectin on gastrointestinal nematodes of beef cattle. 2013. 97 f. Tese (Doutorado em Biotecnologia, diagnóstico e controle de doenças; Epidemiologia e controle de qualidade de prod. de) - Universidade Federal de Viçosa, Viçosa, 2013.
dc.identifier.uri.fl_str_mv http://locus.ufv.br/handle/123456789/1461
identifier_str_mv ASSIS, Rafaela Carolina Lopes. Viability of fungi predators Monacrosporium thaumasium and Duddingtonia flagrans and moxidectin on gastrointestinal nematodes of beef cattle. 2013. 97 f. Tese (Doutorado em Biotecnologia, diagnóstico e controle de doenças; Epidemiologia e controle de qualidade de prod. de) - Universidade Federal de Viçosa, Viçosa, 2013.
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