Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State

Detalhes bibliográficos
Autor(a) principal: Netto, Daisy Pontes
Data de Publicação: 2002
Outros Autores: Zanluchi, Aline Tramontini, Sassahara, Marcia, Yanaka, Erika Kubota
Tipo de documento: Artigo
Idioma: por
Título da fonte: Semina. Ciências Agrárias (Online)
Texto Completo: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2073
Resumo: Micotoxins are toxic secondary metabolites that have no biochemical significance in fugal growth and development. Recommendations for micotoxin control include constant monitoring by a program of harvest samples and micotoxin analysis. A total of 436 samples were analyzed from May 1997 to March 2001 to detect the following micotoxins: aflatoxins B1, B2, G1 and G2, zearalenona and ocratoxina A. The thin layer chromatography technique was used (CCD). Most of the analyses performed were of maize grains and silage, 273 samples, representing 62.6% of the total (436) and this number may be linked to the type of animal production, Holstein cows, that most use this type of food, as most of the samples came from dairy farms in the north of Paraná state. Zearalenona was the most detected micotoxin with 57.5% positive samples representing 28% of all the substrates. The aflatoxin represented 36.3% of the total of positive samples and 17.7% in the substrates. When the number of samples received for analysis and positiveness are correlated, it was observed that there was a greater occurrence of positive analyses in the summer and autumn, 64.3% and 73.5%, respectively. The results obtained reflect the type of animal production in this region and the climatic phenomena that occurred 1997-2001 such as heavy rainfall and abrupt temperature variations that eased fungus development and consequently the appearance of micotoxins.
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spelling Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná StateMicotoxinas em alimentação animal no período de maio/1997 a março/2001 no Laboratório de Toxicologia Veterinária da Universidade Estadual de Londrina – Londrina – PRMicotoxinsAnimal feedAflatoxinsZearalenona.MicotoxinasAlimentos de Uso AnimalAflatoxinasZearalenonaMicotoxins are toxic secondary metabolites that have no biochemical significance in fugal growth and development. Recommendations for micotoxin control include constant monitoring by a program of harvest samples and micotoxin analysis. A total of 436 samples were analyzed from May 1997 to March 2001 to detect the following micotoxins: aflatoxins B1, B2, G1 and G2, zearalenona and ocratoxina A. The thin layer chromatography technique was used (CCD). Most of the analyses performed were of maize grains and silage, 273 samples, representing 62.6% of the total (436) and this number may be linked to the type of animal production, Holstein cows, that most use this type of food, as most of the samples came from dairy farms in the north of Paraná state. Zearalenona was the most detected micotoxin with 57.5% positive samples representing 28% of all the substrates. The aflatoxin represented 36.3% of the total of positive samples and 17.7% in the substrates. When the number of samples received for analysis and positiveness are correlated, it was observed that there was a greater occurrence of positive analyses in the summer and autumn, 64.3% and 73.5%, respectively. The results obtained reflect the type of animal production in this region and the climatic phenomena that occurred 1997-2001 such as heavy rainfall and abrupt temperature variations that eased fungus development and consequently the appearance of micotoxins.As micotoxinas são metabólitos secundários tóxicos que não têm significado bioquímico no crescimento e desenvolvimento fúngico. Entre as recomendações para controle de micotoxinas está o monitoramento constante, por meio de um programa de colheita de amostras e análises das micotoxinas. Analisaram-se 436 amostras no período de maio/1997 a março de 2001 para detecção das seguintes micotoxinas: aflatoxinas B1, B2, G1 e G2, zearalenona e ocratoxina A. Utilizou-se a técnica de Cromatografia em Camada Delgada (CCD). Verificou-se que, a maioria das análises efetuada foi de grãos e silagem de milho, 273 amostras, representando 62,6% do total (436), este número pode estar ligado ao tipo de produção animal, vacas holandesas, que mais utilizam este tipo de alimentação, já que a maioria das amostras foi proveniente de propriedades leiteiras da região norte do Paraná. Observou-se que a micotoxina mais detectada foi a zearalenona com 57,5% de amostras positivas e representando 28% do total de substratos. As aflatoxinas representaram 36,3%, no total de amostras positivas e 17,7% dos substratos. Quando se correlacionou o número de amostras enviadas e a positividade, observamos que no período do verão e do outono houve maior ocorrência de análises positivas, 64,3 e 73,5 % respectivamente. Os resultados obtidos refletem o tipo de produção animal que temos em nossa região e as atividades dos fenômenos climáticos que ocorreram nos anos de 1997 a 2001, com chuvas intensas, variações abruptas de temperatura, facilitando o desenvolvimento de fungos e conseqüentemente o aparecimento de micotoxinas.UEL2002-03-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/207310.5433/1679-0359.2002v23n1p63Semina: Ciências Agrárias; Vol. 23 No. 1 (2002); 63-69Semina: Ciências Agrárias; v. 23 n. 1 (2002); 63-691679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2073/1780Netto, Daisy PontesZanluchi, Aline TramontiniSassahara, MarciaYanaka, Erika Kubotainfo:eu-repo/semantics/openAccess2009-05-19T18:56:11Zoai:ojs.pkp.sfu.ca:article/2073Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2009-05-19T18:56:11Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false
dc.title.none.fl_str_mv Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
Micotoxinas em alimentação animal no período de maio/1997 a março/2001 no Laboratório de Toxicologia Veterinária da Universidade Estadual de Londrina – Londrina – PR
title Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
spellingShingle Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
Netto, Daisy Pontes
Micotoxins
Animal feed
Aflatoxins
Zearalenona.
Micotoxinas
Alimentos de Uso Animal
Aflatoxinas
Zearalenona
title_short Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
title_full Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
title_fullStr Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
title_full_unstemmed Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
title_sort Micotoxins in animal feed detected from May/1997 to March/2001 at the Veterinary Toxicology Laboratory of State University of Londrina – Londrina – Paraná State
author Netto, Daisy Pontes
author_facet Netto, Daisy Pontes
Zanluchi, Aline Tramontini
Sassahara, Marcia
Yanaka, Erika Kubota
author_role author
author2 Zanluchi, Aline Tramontini
Sassahara, Marcia
Yanaka, Erika Kubota
author2_role author
author
author
dc.contributor.author.fl_str_mv Netto, Daisy Pontes
Zanluchi, Aline Tramontini
Sassahara, Marcia
Yanaka, Erika Kubota
dc.subject.por.fl_str_mv Micotoxins
Animal feed
Aflatoxins
Zearalenona.
Micotoxinas
Alimentos de Uso Animal
Aflatoxinas
Zearalenona
topic Micotoxins
Animal feed
Aflatoxins
Zearalenona.
Micotoxinas
Alimentos de Uso Animal
Aflatoxinas
Zearalenona
description Micotoxins are toxic secondary metabolites that have no biochemical significance in fugal growth and development. Recommendations for micotoxin control include constant monitoring by a program of harvest samples and micotoxin analysis. A total of 436 samples were analyzed from May 1997 to March 2001 to detect the following micotoxins: aflatoxins B1, B2, G1 and G2, zearalenona and ocratoxina A. The thin layer chromatography technique was used (CCD). Most of the analyses performed were of maize grains and silage, 273 samples, representing 62.6% of the total (436) and this number may be linked to the type of animal production, Holstein cows, that most use this type of food, as most of the samples came from dairy farms in the north of Paraná state. Zearalenona was the most detected micotoxin with 57.5% positive samples representing 28% of all the substrates. The aflatoxin represented 36.3% of the total of positive samples and 17.7% in the substrates. When the number of samples received for analysis and positiveness are correlated, it was observed that there was a greater occurrence of positive analyses in the summer and autumn, 64.3% and 73.5%, respectively. The results obtained reflect the type of animal production in this region and the climatic phenomena that occurred 1997-2001 such as heavy rainfall and abrupt temperature variations that eased fungus development and consequently the appearance of micotoxins.
publishDate 2002
dc.date.none.fl_str_mv 2002-03-03
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2073
10.5433/1679-0359.2002v23n1p63
url https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2073
identifier_str_mv 10.5433/1679-0359.2002v23n1p63
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2073/1780
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv UEL
publisher.none.fl_str_mv UEL
dc.source.none.fl_str_mv Semina: Ciências Agrárias; Vol. 23 No. 1 (2002); 63-69
Semina: Ciências Agrárias; v. 23 n. 1 (2002); 63-69
1679-0359
1676-546X
reponame:Semina. Ciências Agrárias (Online)
instname:Universidade Estadual de Londrina (UEL)
instacron:UEL
instname_str Universidade Estadual de Londrina (UEL)
instacron_str UEL
institution UEL
reponame_str Semina. Ciências Agrárias (Online)
collection Semina. Ciências Agrárias (Online)
repository.name.fl_str_mv Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)
repository.mail.fl_str_mv semina.agrarias@uel.br
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