Comportamento de fêmeas suínas imunocastradas
Ano de defesa: | 2020 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
Centro de Ciências Rurais |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Zootecnia
|
Departamento: |
Zootecnia
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/21103 |
Resumo: | The market weight is crucial to the pork supply chain efficiency. As the animals’ growth pattern is altered with sexual maturity, the estrus in the female is one of the factors that must be considered in the establishment of the harvest weight. This study aimed to compare the behaviour of entire gilts with gilts immunocastrated at different ages. Seventy-two animals from industrial crossing (Agroceres x Topigs), 105 days old were used. The female pigs were distributed in 3 treatments according to a randomized design. The immunocastration vaccine was applied in two groups, six weeks before slaughter (I6) and four weeks before slaughter (I4). The non-immunized group (NI) was used for comparison. Social behaviour was analysed through the collection of images by a monitoring camera positioned in each of the six pens. The analysis period was from 6 am to 6 pm, with data taken at every ten minutes. Eating behaviour data was collected by the automated FIRE® system. Due to the divergence in the time of immunization in the two groups, an individual comparison of each immunocastrated group with the control group (NI vs. I6 and NI vs. I4) was performed. Anti-GnRH immunization did not influence most of the variables analysed. However, there was a variation in the eating behaviour of group I6, with a reduction in the number of visits to the feeder and an increase in food consumption per visit. These findings suggest the immunocastration vaccine suppresses the effects of the estrus period, while it does not directly affect social aspects of behaviour. |
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2021-06-09T23:40:56Z2021-06-09T23:40:56Z2020-09-24http://repositorio.ufsm.br/handle/1/21103The market weight is crucial to the pork supply chain efficiency. As the animals’ growth pattern is altered with sexual maturity, the estrus in the female is one of the factors that must be considered in the establishment of the harvest weight. This study aimed to compare the behaviour of entire gilts with gilts immunocastrated at different ages. Seventy-two animals from industrial crossing (Agroceres x Topigs), 105 days old were used. The female pigs were distributed in 3 treatments according to a randomized design. The immunocastration vaccine was applied in two groups, six weeks before slaughter (I6) and four weeks before slaughter (I4). The non-immunized group (NI) was used for comparison. Social behaviour was analysed through the collection of images by a monitoring camera positioned in each of the six pens. The analysis period was from 6 am to 6 pm, with data taken at every ten minutes. Eating behaviour data was collected by the automated FIRE® system. Due to the divergence in the time of immunization in the two groups, an individual comparison of each immunocastrated group with the control group (NI vs. I6 and NI vs. I4) was performed. Anti-GnRH immunization did not influence most of the variables analysed. However, there was a variation in the eating behaviour of group I6, with a reduction in the number of visits to the feeder and an increase in food consumption per visit. These findings suggest the immunocastration vaccine suppresses the effects of the estrus period, while it does not directly affect social aspects of behaviour.O peso ao abate é decisivo na eficiência do processo de produção de carne suína. Uma vez que o padrão de crescimento dos animais é alterado com a maturidade sexual, o estro em fêmeas é um dos fatores que devem ser considerados no estabelecimento do peso final. O presente estudo teve como objetivo comparar o comportamento de fêmeas suínas inteiras e imunocastradas em diferentes idades. Foram utilizados 72 animais oriundos de cruzamento industrial (Agroceres x Topigs) com 105 dias de vida. As fêmeas foram distribuídas em 3 tratamentos conforme um delineamento inteiramente casualizado. Foi aplicada a vacina de imunocastração em dois grupos, seis semanas antes do abate (I6) e quatro semanas antes do abate (I4). O grupo não imunocastrado (NI) foi utilizado como controle. O comportamento social foi analisado através da coleta de imagens por uma câmera de monitoramento posicionada em cada uma das seis baias. O período de análise foi das 6 às 18 horas, com as observações realizadas a cada dez minutos. Os dados do comportamento ingestivo foram coletados pelo sistema automatizado FIRE®. Para a análise dos dados, em função da divergência da data da aplicação da vacina nos dois grupos, foi realizada a comparação individual de cada grupo imunocastrado com o grupo controle (NI vs. I6 e NI vs. I4). A imunização anti-GnRH não influenciou significativamente a maioria das variáveis analisadas. No entanto, ocorreu uma variação no comportamento alimentar no grupo I6, com uma redução no número de visitas ao comedouro e aumento do consumo de alimento por visita. Os resultados sugerem que a imunocastração suprime os efeitos do estro sem influenciar diretamente em aspectos sociais do comportamento.Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqporUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em ZootecniaUFSMBrasilZootecniaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessCastraçãoComportamentoEstroFêmeas suínasImunocastraçãoBehaviourCastrationEstrusFemale pigsImmunocastrationCNPQ::CIENCIAS AGRARIAS::ZOOTECNIAComportamento de fêmeas suínas imunocastradasImmunocastrated female pigs behaviourinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisOliveira, Vladimir dehttp://lattes.cnpq.br/7243331220690033Rossi, Carlos Augusto RigonVerardi, Amanda d'Ávilahttp://lattes.cnpq.br/1235907180967196Batista, Daniela Cardoso50040000000260060060060060035d47188-e656-4cb2-8c3b-a49d447aefbed87d7ff7-af11-435e-a80c-b57f028ff898b8339592-e529-4fff-ae9d-76f28fae84248163d386-66bf-435d-968a-b01320eed288reponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGZOOTECNIA_2020_BATISTA_DANIELA.pdfDIS_PPGZOOTECNIA_2020_BATISTA_DANIELA.pdfDissertaçãoapplication/pdf689529http://repositorio.ufsm.br/bitstream/1/21103/1/DIS_PPGZOOTECNIA_2020_BATISTA_DANIELA.pdfe6e55d1b945e0a34808cf41e73a05b1fMD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Comportamento de fêmeas suínas imunocastradas |
dc.title.alternative.eng.fl_str_mv |
Immunocastrated female pigs behaviour |
title |
Comportamento de fêmeas suínas imunocastradas |
spellingShingle |
Comportamento de fêmeas suínas imunocastradas Batista, Daniela Cardoso Castração Comportamento Estro Fêmeas suínas Imunocastração Behaviour Castration Estrus Female pigs Immunocastration CNPQ::CIENCIAS AGRARIAS::ZOOTECNIA |
title_short |
Comportamento de fêmeas suínas imunocastradas |
title_full |
Comportamento de fêmeas suínas imunocastradas |
title_fullStr |
Comportamento de fêmeas suínas imunocastradas |
title_full_unstemmed |
Comportamento de fêmeas suínas imunocastradas |
title_sort |
Comportamento de fêmeas suínas imunocastradas |
author |
Batista, Daniela Cardoso |
author_facet |
Batista, Daniela Cardoso |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Oliveira, Vladimir de |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/7243331220690033 |
dc.contributor.referee1.fl_str_mv |
Rossi, Carlos Augusto Rigon |
dc.contributor.referee2.fl_str_mv |
Verardi, Amanda d'Ávila |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/1235907180967196 |
dc.contributor.author.fl_str_mv |
Batista, Daniela Cardoso |
contributor_str_mv |
Oliveira, Vladimir de Rossi, Carlos Augusto Rigon Verardi, Amanda d'Ávila |
dc.subject.por.fl_str_mv |
Castração Comportamento Estro Fêmeas suínas Imunocastração |
topic |
Castração Comportamento Estro Fêmeas suínas Imunocastração Behaviour Castration Estrus Female pigs Immunocastration CNPQ::CIENCIAS AGRARIAS::ZOOTECNIA |
dc.subject.eng.fl_str_mv |
Behaviour Castration Estrus Female pigs Immunocastration |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::ZOOTECNIA |
description |
The market weight is crucial to the pork supply chain efficiency. As the animals’ growth pattern is altered with sexual maturity, the estrus in the female is one of the factors that must be considered in the establishment of the harvest weight. This study aimed to compare the behaviour of entire gilts with gilts immunocastrated at different ages. Seventy-two animals from industrial crossing (Agroceres x Topigs), 105 days old were used. The female pigs were distributed in 3 treatments according to a randomized design. The immunocastration vaccine was applied in two groups, six weeks before slaughter (I6) and four weeks before slaughter (I4). The non-immunized group (NI) was used for comparison. Social behaviour was analysed through the collection of images by a monitoring camera positioned in each of the six pens. The analysis period was from 6 am to 6 pm, with data taken at every ten minutes. Eating behaviour data was collected by the automated FIRE® system. Due to the divergence in the time of immunization in the two groups, an individual comparison of each immunocastrated group with the control group (NI vs. I6 and NI vs. I4) was performed. Anti-GnRH immunization did not influence most of the variables analysed. However, there was a variation in the eating behaviour of group I6, with a reduction in the number of visits to the feeder and an increase in food consumption per visit. These findings suggest the immunocastration vaccine suppresses the effects of the estrus period, while it does not directly affect social aspects of behaviour. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-09-24 |
dc.date.accessioned.fl_str_mv |
2021-06-09T23:40:56Z |
dc.date.available.fl_str_mv |
2021-06-09T23:40:56Z |
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.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/21103 |
url |
http://repositorio.ufsm.br/handle/1/21103 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500400000002 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 600 |
dc.relation.authority.fl_str_mv |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Zootecnia |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Zootecnia |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.source.none.fl_str_mv |
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