Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFU |
Texto Completo: | https://repositorio.ufu.br/handle/123456789/13097 https://doi.org/10.14393/ufu.di.2014.227 |
Resumo: | CHAPTER II: The chemical and morphological composition of reptile eggshell varies according the species and the environmental conditions in which the eggs are incubated. Besides increasing knowledge on reproductive characteristics of each species, the description of structural features of these shells can be quite useful to evaluate the effects of xenobiotcs launched to the environment, that may cause reduction of the population of various animals. In this context, it was aimed to quantify and qualify the chemical properties of Podocnemis expansa eggshells. For this, sixty eggs were used, collected from two nests (A and B) in Araguaia River beaches (GO), and incubated artificially.After hatching, eggshells were submitted chemical analysis (mineral matter, calcium, phosphorus, ether extract, crude protein and nitrogen). And the thickness of the eggshell was 179 ± 18 μm in the nest A and 188 ± 12 μm in the nest B, indicating that eggs of p. expansa have flexible shells. The chemical composition varied from one nest to another, being: 8.13 ± 0.093% nitrogen and 7.83 ± 0.103% crude protein, 50.83 0.571% ± and 48.98% 0.640 ± 0.07 ± 0.008% ether extract and 0.07 ± 0.008%, mineral matter 17.90 ± 0.417% and ± 22.70 0.836%, calcium 11.48 0.368% and 15.26 ± ± 0.739% and 0.17 ± 0.008% phosphorus and 0.18 ± 0.016% to eggshells of nest A and nest B, respectively. The physical and chemical components of eggs of p. expansa differed between nests, this may be for environmental, nutritional, physiological factors, among others. CHAPTER III: Knowing that substances released in the environment, such as pesticides, can alter the shape, size and composition of eggshells, this study aimed to understand how methyl parathion, insecticide widely in use in Brazil, interferes on the chemical and morphological characteristics of Podcnemis expansa eggshells, during the artificial incubation. For this, 264 eggshells of this specie were utilized, all they came from protected areas of Araguaia River. The eggs were incubated artificially in sand substrate from the river beaches with a layer of vermiculite, and divided in four experimental groups, that received different concentrations of methyl parathion technical product (control, 35, 350 e 3500 ppb). To the control group was added distilled water. The eggshells were collected in intervals of three days, beginning on the third day and ending on the 63rd day of l incubation, and submitted to thickness measurement, chemical analysis, histology in light microscopy and scanning electronic microscopy. It was observed that the exposure of eggs to pesticides caused increase of phosphorus levels and reduction of ether extract levels in the shells during the incubation. |
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2016-06-22T18:34:01Z2014-10-172016-06-22T18:34:01Z2014-03-18FERREIRA, Caio Henrique. Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente. 2014. 67 f. Dissertação (Mestrado em Ciências Agrárias) - Universidade Federal de Uberlândia, Uberlândia, 2014. Disponível em: https://doi.org/10.14393/ufu.di.2014.227https://repositorio.ufu.br/handle/123456789/13097https://doi.org/10.14393/ufu.di.2014.227CHAPTER II: The chemical and morphological composition of reptile eggshell varies according the species and the environmental conditions in which the eggs are incubated. Besides increasing knowledge on reproductive characteristics of each species, the description of structural features of these shells can be quite useful to evaluate the effects of xenobiotcs launched to the environment, that may cause reduction of the population of various animals. In this context, it was aimed to quantify and qualify the chemical properties of Podocnemis expansa eggshells. For this, sixty eggs were used, collected from two nests (A and B) in Araguaia River beaches (GO), and incubated artificially.After hatching, eggshells were submitted chemical analysis (mineral matter, calcium, phosphorus, ether extract, crude protein and nitrogen). And the thickness of the eggshell was 179 ± 18 μm in the nest A and 188 ± 12 μm in the nest B, indicating that eggs of p. expansa have flexible shells. The chemical composition varied from one nest to another, being: 8.13 ± 0.093% nitrogen and 7.83 ± 0.103% crude protein, 50.83 0.571% ± and 48.98% 0.640 ± 0.07 ± 0.008% ether extract and 0.07 ± 0.008%, mineral matter 17.90 ± 0.417% and ± 22.70 0.836%, calcium 11.48 0.368% and 15.26 ± ± 0.739% and 0.17 ± 0.008% phosphorus and 0.18 ± 0.016% to eggshells of nest A and nest B, respectively. The physical and chemical components of eggs of p. expansa differed between nests, this may be for environmental, nutritional, physiological factors, among others. CHAPTER III: Knowing that substances released in the environment, such as pesticides, can alter the shape, size and composition of eggshells, this study aimed to understand how methyl parathion, insecticide widely in use in Brazil, interferes on the chemical and morphological characteristics of Podcnemis expansa eggshells, during the artificial incubation. For this, 264 eggshells of this specie were utilized, all they came from protected areas of Araguaia River. The eggs were incubated artificially in sand substrate from the river beaches with a layer of vermiculite, and divided in four experimental groups, that received different concentrations of methyl parathion technical product (control, 35, 350 e 3500 ppb). To the control group was added distilled water. The eggshells were collected in intervals of three days, beginning on the third day and ending on the 63rd day of l incubation, and submitted to thickness measurement, chemical analysis, histology in light microscopy and scanning electronic microscopy. It was observed that the exposure of eggs to pesticides caused increase of phosphorus levels and reduction of ether extract levels in the shells during the incubation.CAPITULO II: A composição química e morfológica da casca de ovos de répteis varia de acordo com a espécie e as condições ambientais em que os ovos são incubados. Além de contribuir o conhecimento sobre as características reprodutivas de cada espécie, a descrição das características estruturais dessas cascas pode ser bastante útil para a avaliação dos efeitos de xenobióticos lançados no ambiente, que podem causar redução da população de diversos animais. Nesse contexto, objetivou-se quantificar e qualificar as propriedades químicas da casca de ovos de Podocnemis expansa. Para isso, foram utilizados 60 ovos, coletados de dois ninhos (A e B), em praias do Rio Araguaia (GO), e incubados artificialmente. Após a eclosão, as cascas dos ovos foram submetidas à análise química (matéria mineral, cálcio, fósforo, extrato etéreo, proteína bruta e nitrogênio). A espessura da casca dos ovos foi de 179±18 μm no ninho A e 188±12 μm no ninho B, afirmando que ovos de P. expansa apresentam cascas flexíveis. A composição química variou de um ninho para o outro, sendo: nitrogênio 8,13±0.093% e 7.83±0.103%, proteína bruta50.83±0.571% e 48.98±0.640%, extrato etéreo0.07±0.008% e 0.07±0.008%, matéria mineral17.90±0.417% e 22.70±0.836%, cálcio11.48±0.368% e 15.26±0.739% e fósforo0,17±0.008% e 0.18±0.016% para cascas dos ovos do ninho A e B, respectivamente. Os componentes físicos e químicos dos ovos de P. expansa se diferiram entre ninhos, isso pode ser a fatores ambientais, nutricionais, fisiológicos entre outros. CAPITULO III: Sabendo-se que substâncias lançadas ao meio ambiente, como agratóxicos, podem alterar a forma, tamanho e composição de cascas de ovos, objetivou-se compreender como a parationa metílica, inseticida aplamente utilizado no Brasil, intefere nas características químicas e morfológicas das cascas de ovos de Podocnemis expansa ao longoda incubação artificial. Para isso, foram utilizadas cascas de 264 ovos dessa espécie, oriundos de áreas protegidas do Rio Araguaia. Os ovos foram incubados artificialmente em substrato areia das praias com uma camada de vermiculita e divididos em quatro grupos experimentais, aos quais foram adicionadas diferentes concentrações de produto técnico parationa metílica (controle, 35, 350 e 3500 ppb). Ao grupo controle foi adicionada água destilada. As cascas foram coletadas com intervalos de três dias,com início no 3º e término no 63º dia de incubação e submetidas à medição de espessura, análise química, histologia em microscopia de luz e microscopia eletrônica de varredura. Observou-se que a exposição dos ovos ao agrotóxico causou aumento dos teores de fósforo e redução de teores de extrato etéreo da casca ao longo da incubação.Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorMestre em Ciências Veterináriasapplication/pdfporUniversidade Federal de UberlândiaPrograma de Pós-graduação em Ciências VeterináriasUFUBRCiências AgráriasEmbriãoTartaruga-da-AmazôniaMineraisAgrotóxicoEcotoxicologiaIncubaçãoEmbryonsAmazonian tortoiseMineralsPesticidesEcotoxicologyIncubationCNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIAAspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmenteinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisSantos, André Luiz Quagliattohttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4798424J1Machado, Marcia Rita Fernandeshttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4723334D5Vieira, Lucélia Gonçalveshttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4137122A3http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4424028J6Ferreira, Caio Henrique81758923info:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFUinstname:Universidade Federal de Uberlândia (UFU)instacron:UFUTHUMBNAILAspectosQuimicosMorfologicos.pdf.jpgAspectosQuimicosMorfologicos.pdf.jpgGenerated Thumbnailimage/jpeg1234https://repositorio.ufu.br/bitstream/123456789/13097/3/AspectosQuimicosMorfologicos.pdf.jpg76b8ffc60f549a305e0042b9f526745aMD53ORIGINALAspectosQuimicosMorfologicos.pdfapplication/pdf1125258https://repositorio.ufu.br/bitstream/123456789/13097/1/AspectosQuimicosMorfologicos.pdf43c0853e4bf07f9f1f7236d8fbd176b7MD51TEXTAspectosQuimicosMorfologicos.pdf.txtAspectosQuimicosMorfologicos.pdf.txtExtracted texttext/plain97785https://repositorio.ufu.br/bitstream/123456789/13097/2/AspectosQuimicosMorfologicos.pdf.txt53d90b007f3dc59b33c74a0db173a92fMD52123456789/130972021-08-03 10:06:48.386oai:repositorio.ufu.br:123456789/13097Repositório InstitucionalONGhttp://repositorio.ufu.br/oai/requestdiinf@dirbi.ufu.bropendoar:2021-08-03T13:06:48Repositório Institucional da UFU - Universidade Federal de Uberlândia (UFU)false |
dc.title.por.fl_str_mv |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
title |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
spellingShingle |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente Ferreira, Caio Henrique Embrião Tartaruga-da-Amazônia Minerais Agrotóxico Ecotoxicologia Incubação Embryons Amazonian tortoise Minerals Pesticides Ecotoxicology Incubation CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
title_short |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
title_full |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
title_fullStr |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
title_full_unstemmed |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
title_sort |
Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente |
author |
Ferreira, Caio Henrique |
author_facet |
Ferreira, Caio Henrique |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Santos, André Luiz Quagliatto |
dc.contributor.advisor1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4798424J1 |
dc.contributor.referee1.fl_str_mv |
Machado, Marcia Rita Fernandes |
dc.contributor.referee1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4723334D5 |
dc.contributor.referee2.fl_str_mv |
Vieira, Lucélia Gonçalves |
dc.contributor.referee2Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4137122A3 |
dc.contributor.authorLattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4424028J6 |
dc.contributor.author.fl_str_mv |
Ferreira, Caio Henrique |
contributor_str_mv |
Santos, André Luiz Quagliatto Machado, Marcia Rita Fernandes Vieira, Lucélia Gonçalves |
dc.subject.por.fl_str_mv |
Embrião Tartaruga-da-Amazônia Minerais Agrotóxico Ecotoxicologia Incubação |
topic |
Embrião Tartaruga-da-Amazônia Minerais Agrotóxico Ecotoxicologia Incubação Embryons Amazonian tortoise Minerals Pesticides Ecotoxicology Incubation CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
dc.subject.eng.fl_str_mv |
Embryons Amazonian tortoise Minerals Pesticides Ecotoxicology Incubation |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
description |
CHAPTER II: The chemical and morphological composition of reptile eggshell varies according the species and the environmental conditions in which the eggs are incubated. Besides increasing knowledge on reproductive characteristics of each species, the description of structural features of these shells can be quite useful to evaluate the effects of xenobiotcs launched to the environment, that may cause reduction of the population of various animals. In this context, it was aimed to quantify and qualify the chemical properties of Podocnemis expansa eggshells. For this, sixty eggs were used, collected from two nests (A and B) in Araguaia River beaches (GO), and incubated artificially.After hatching, eggshells were submitted chemical analysis (mineral matter, calcium, phosphorus, ether extract, crude protein and nitrogen). And the thickness of the eggshell was 179 ± 18 μm in the nest A and 188 ± 12 μm in the nest B, indicating that eggs of p. expansa have flexible shells. The chemical composition varied from one nest to another, being: 8.13 ± 0.093% nitrogen and 7.83 ± 0.103% crude protein, 50.83 0.571% ± and 48.98% 0.640 ± 0.07 ± 0.008% ether extract and 0.07 ± 0.008%, mineral matter 17.90 ± 0.417% and ± 22.70 0.836%, calcium 11.48 0.368% and 15.26 ± ± 0.739% and 0.17 ± 0.008% phosphorus and 0.18 ± 0.016% to eggshells of nest A and nest B, respectively. The physical and chemical components of eggs of p. expansa differed between nests, this may be for environmental, nutritional, physiological factors, among others. CHAPTER III: Knowing that substances released in the environment, such as pesticides, can alter the shape, size and composition of eggshells, this study aimed to understand how methyl parathion, insecticide widely in use in Brazil, interferes on the chemical and morphological characteristics of Podcnemis expansa eggshells, during the artificial incubation. For this, 264 eggshells of this specie were utilized, all they came from protected areas of Araguaia River. The eggs were incubated artificially in sand substrate from the river beaches with a layer of vermiculite, and divided in four experimental groups, that received different concentrations of methyl parathion technical product (control, 35, 350 e 3500 ppb). To the control group was added distilled water. The eggshells were collected in intervals of three days, beginning on the third day and ending on the 63rd day of l incubation, and submitted to thickness measurement, chemical analysis, histology in light microscopy and scanning electronic microscopy. It was observed that the exposure of eggs to pesticides caused increase of phosphorus levels and reduction of ether extract levels in the shells during the incubation. |
publishDate |
2014 |
dc.date.available.fl_str_mv |
2014-10-17 2016-06-22T18:34:01Z |
dc.date.issued.fl_str_mv |
2014-03-18 |
dc.date.accessioned.fl_str_mv |
2016-06-22T18:34:01Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
FERREIRA, Caio Henrique. Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente. 2014. 67 f. Dissertação (Mestrado em Ciências Agrárias) - Universidade Federal de Uberlândia, Uberlândia, 2014. Disponível em: https://doi.org/10.14393/ufu.di.2014.227 |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufu.br/handle/123456789/13097 |
dc.identifier.doi.por.fl_str_mv |
https://doi.org/10.14393/ufu.di.2014.227 |
identifier_str_mv |
FERREIRA, Caio Henrique. Aspectos químicos e morfológicos e efeitos da parationa metílica em cascas de ovos de Podocnemis expansa (testudines, podocnemididae) incubados artificialmente. 2014. 67 f. Dissertação (Mestrado em Ciências Agrárias) - Universidade Federal de Uberlândia, Uberlândia, 2014. Disponível em: https://doi.org/10.14393/ufu.di.2014.227 |
url |
https://repositorio.ufu.br/handle/123456789/13097 https://doi.org/10.14393/ufu.di.2014.227 |
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Universidade Federal de Uberlândia |
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Programa de Pós-graduação em Ciências Veterinárias |
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UFU |
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BR |
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Ciências Agrárias |
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Universidade Federal de Uberlândia |
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