Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/10108 |
Resumo: | Two studies were carried out to evaluate, trough meta-analysis, the relationship between parasitosis and animal performance of broiler and growing pigs. Databases totaled 43,976 broilers (69 articles published between 1982 and 2010) and 1,279 growing pigs (18 articles published between 1971 and 2010). Meta-analyses followed three sequential analyses: graphic, correlation and variance-covariance. Pigs challenged by endoparasites presented reduction (P<0.001) of 5% on feed intake and 31% on weight gain. Broilers challenged by E. acervulina and E. tenella presented feed intake similar (P>0.05) to control group. However, the groups challenged by E. maxima and Pool presented increase on feed intake by 27% and 5% compared to control group. In relation to broilers weight gain, all challenged groups presented reduction (P<0.05) compared to control group. The average reduction was 10%, with the exception of the group challenged by E. maxima which showed a 23% reduction in daily weight gain compared to control group. The average age and average body weight of challenged animals, and the crude protein intake were the variables that most adjusted the determination coefficient in the equations for estimating the weight gain of parasitized pigs. Considering parasitized broilers, the reduction in feed intake was the variable that best explains the reduction in weight gain. Variance decomposition showed that parasitosis were responsible by a 6% reduction in weight gain for pigs and coccidiosis were associated by less than 1% for broilers. In addition, this analysis showed that most of the variation in weight gain was explained by the variation in feed intake (59% in pigs and 91% in broilers, on average). Parasitosis influences the performance of broilers and pigs. However, the magnitude of these effects varies with the parasite species, sex, age and line of the animal as well as nutritional factors. |
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2017-06-142017-06-142011-12-01SILVA, Marcos Kipper da. Parasitosis and animal performance: meta-analytical study in broiler and growing pigs. 2011. 78 f. Dissertação (Mestrado em Medicina Veterinária) - Universidade Federal de Santa Maria, Santa Maria, 2011.http://repositorio.ufsm.br/handle/1/10108Two studies were carried out to evaluate, trough meta-analysis, the relationship between parasitosis and animal performance of broiler and growing pigs. Databases totaled 43,976 broilers (69 articles published between 1982 and 2010) and 1,279 growing pigs (18 articles published between 1971 and 2010). Meta-analyses followed three sequential analyses: graphic, correlation and variance-covariance. Pigs challenged by endoparasites presented reduction (P<0.001) of 5% on feed intake and 31% on weight gain. Broilers challenged by E. acervulina and E. tenella presented feed intake similar (P>0.05) to control group. However, the groups challenged by E. maxima and Pool presented increase on feed intake by 27% and 5% compared to control group. In relation to broilers weight gain, all challenged groups presented reduction (P<0.05) compared to control group. The average reduction was 10%, with the exception of the group challenged by E. maxima which showed a 23% reduction in daily weight gain compared to control group. The average age and average body weight of challenged animals, and the crude protein intake were the variables that most adjusted the determination coefficient in the equations for estimating the weight gain of parasitized pigs. Considering parasitized broilers, the reduction in feed intake was the variable that best explains the reduction in weight gain. Variance decomposition showed that parasitosis were responsible by a 6% reduction in weight gain for pigs and coccidiosis were associated by less than 1% for broilers. In addition, this analysis showed that most of the variation in weight gain was explained by the variation in feed intake (59% in pigs and 91% in broilers, on average). Parasitosis influences the performance of broilers and pigs. However, the magnitude of these effects varies with the parasite species, sex, age and line of the animal as well as nutritional factors.Dois trabalhos foram desenvolvidos com o objetivo de estudar, através de meta-análise, a relação das parasitoses com o desempenho de frangos de corte e suínos. As bases de dados totalizaram 43.976 frangos de corte (69 artigos, publicados entre 1982 e 2010) e 1.279 suínos (18 artigos, publicados entre 1971 e 2010). A meta-análise foi realizada através de três análises sequenciais: estudos gráficos, de correlação e de variância-covariância. Suínos desafiados por endoparasitas apresentaram (P<0,001) redução de 5% no consumo de ração e de 31% no ganho de peso. Frangos de corte desafiados por E. acervulina e E. tenella apresentaram consumo de ração semelhante (P>0,05) em relação ao grupo controle. Já os grupos desafiados por E. maxima e Pool apresentaram aumento (P<0,05) no consumo de ração de 27% e 5% em relação ao grupo controle. Em relação ao ganho de peso dos frangos, todos os grupos desafiados apresentaram redução (P<0,05) quando comparados com o controle, A redução foi em média de 10%, com exceção do grupo desafiado por E. maxima que apresentou 23% de redução no ganho diário de peso em relação ao grupo controle. A idade média e o peso médio dos animais desafiados, bem como o consumo de proteína bruta, foram as variáveis que mais ajustaram o coeficiente de determinação nas equações para estimar o ganho de peso dos suínos parasitados. Para os frangos de corte parasitados, a redução no consumo de ração foi a variável que melhor explicou a redução no ganho de peso. Por decomposição da variância, foi verificado que as endoparasitoses foram responsáveis por 6% da redução no ganho de peso para os suínos, e as coccidioses foram responsáveis por menos de 1% para as aves. Além disso, a decomposição da variância mostrou que a maior parte da variação no ganho de peso foi explicada pela variação no consumo de ração (59% nos suínos e, em média, 91% nas aves). As parasitoses influenciam o desempenho dos frangos de corte e suínos. No entanto, a magnitude destes efeitos varia com o a espécie de parasita; o sexo, a idade e a linhagem do animal; bem como com fatores nutricionais.Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorapplication/pdfporUniversidade Federal de Santa MariaPrograma de Pós-Graduação em Medicina VeterináriaUFSMBRMedicina VeterináriaAviculturaCoccidioseDesafioParasitologiaPrediçãoSuinoculturaChallengeCoccidiosisParasitologyPig productionPoultry productionPredictionCNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIAParasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimentoParasitosis and animal performance: meta-analytical study in broiler and growing pigsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisMonteiro, Silvia Gonzalezhttp://lattes.cnpq.br/3762606653182779Zanella, Irineohttp://lattes.cnpq.br/7498503120935080Kessler, Alexandre de Mellohttp://lattes.cnpq.br/7420393844803951http://lattes.cnpq.br/3270817088848954Silva, Marcos Kipper da500500000007400500500500500f658c142-7522-4cd5-a133-f2479652bf312c2a05b8-fcd2-414d-b717-1b7dbf5b19e3e90265df-3980-4f01-a256-8a201ba774da1868e013-66f2-41e3-ba5a-3717d29fc0e1info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALSILVA, MARCOS KIPPER DA.pdfapplication/pdf654582http://repositorio.ufsm.br/bitstream/1/10108/1/SILVA%2c%20MARCOS%20KIPPER%20DA.pdff65de668efdc10b8c5a40d3cb7948c43MD51TEXTSILVA, MARCOS KIPPER DA.pdf.txtSILVA, MARCOS KIPPER DA.pdf.txtExtracted texttext/plain122376http://repositorio.ufsm.br/bitstream/1/10108/2/SILVA%2c%20MARCOS%20KIPPER%20DA.pdf.txt0f84c259686dfa964010de9133f231edMD52THUMBNAILSILVA, MARCOS KIPPER DA.pdf.jpgSILVA, MARCOS KIPPER DA.pdf.jpgIM Thumbnailimage/jpeg5167http://repositorio.ufsm.br/bitstream/1/10108/3/SILVA%2c%20MARCOS%20KIPPER%20DA.pdf.jpgf76296de3d78a6946c3f2f4c33a9ff04MD531/101082022-09-06 16:39:33.381oai:repositorio.ufsm.br:1/10108Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufsm.br/ONGhttps://repositorio.ufsm.br/oai/requestatendimento.sib@ufsm.br||tedebc@gmail.comopendoar:2022-09-06T19:39:33Biblioteca Digital de Teses e Dissertações do UFSM - Universidade Federal de Santa Maria (UFSM)false |
dc.title.por.fl_str_mv |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
dc.title.alternative.eng.fl_str_mv |
Parasitosis and animal performance: meta-analytical study in broiler and growing pigs |
title |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
spellingShingle |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento Silva, Marcos Kipper da Avicultura Coccidiose Desafio Parasitologia Predição Suinocultura Challenge Coccidiosis Parasitology Pig production Poultry production Prediction CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
title_short |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
title_full |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
title_fullStr |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
title_full_unstemmed |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
title_sort |
Parasitoses e desempenho animal: estudo meta-analítico em frangos de corte e suínos em crescimento |
author |
Silva, Marcos Kipper da |
author_facet |
Silva, Marcos Kipper da |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Monteiro, Silvia Gonzalez |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/3762606653182779 |
dc.contributor.referee1.fl_str_mv |
Zanella, Irineo |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/7498503120935080 |
dc.contributor.referee2.fl_str_mv |
Kessler, Alexandre de Mello |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/7420393844803951 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/3270817088848954 |
dc.contributor.author.fl_str_mv |
Silva, Marcos Kipper da |
contributor_str_mv |
Monteiro, Silvia Gonzalez Zanella, Irineo Kessler, Alexandre de Mello |
dc.subject.por.fl_str_mv |
Avicultura Coccidiose Desafio Parasitologia Predição Suinocultura |
topic |
Avicultura Coccidiose Desafio Parasitologia Predição Suinocultura Challenge Coccidiosis Parasitology Pig production Poultry production Prediction CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
dc.subject.eng.fl_str_mv |
Challenge Coccidiosis Parasitology Pig production Poultry production Prediction |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
description |
Two studies were carried out to evaluate, trough meta-analysis, the relationship between parasitosis and animal performance of broiler and growing pigs. Databases totaled 43,976 broilers (69 articles published between 1982 and 2010) and 1,279 growing pigs (18 articles published between 1971 and 2010). Meta-analyses followed three sequential analyses: graphic, correlation and variance-covariance. Pigs challenged by endoparasites presented reduction (P<0.001) of 5% on feed intake and 31% on weight gain. Broilers challenged by E. acervulina and E. tenella presented feed intake similar (P>0.05) to control group. However, the groups challenged by E. maxima and Pool presented increase on feed intake by 27% and 5% compared to control group. In relation to broilers weight gain, all challenged groups presented reduction (P<0.05) compared to control group. The average reduction was 10%, with the exception of the group challenged by E. maxima which showed a 23% reduction in daily weight gain compared to control group. The average age and average body weight of challenged animals, and the crude protein intake were the variables that most adjusted the determination coefficient in the equations for estimating the weight gain of parasitized pigs. Considering parasitized broilers, the reduction in feed intake was the variable that best explains the reduction in weight gain. Variance decomposition showed that parasitosis were responsible by a 6% reduction in weight gain for pigs and coccidiosis were associated by less than 1% for broilers. In addition, this analysis showed that most of the variation in weight gain was explained by the variation in feed intake (59% in pigs and 91% in broilers, on average). Parasitosis influences the performance of broilers and pigs. However, the magnitude of these effects varies with the parasite species, sex, age and line of the animal as well as nutritional factors. |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011-12-01 |
dc.date.accessioned.fl_str_mv |
2017-06-14 |
dc.date.available.fl_str_mv |
2017-06-14 |
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 |
SILVA, Marcos Kipper da. Parasitosis and animal performance: meta-analytical study in broiler and growing pigs. 2011. 78 f. Dissertação (Mestrado em Medicina Veterinária) - Universidade Federal de Santa Maria, Santa Maria, 2011. |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/10108 |
identifier_str_mv |
SILVA, Marcos Kipper da. Parasitosis and animal performance: meta-analytical study in broiler and growing pigs. 2011. 78 f. Dissertação (Mestrado em Medicina Veterinária) - Universidade Federal de Santa Maria, Santa Maria, 2011. |
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http://repositorio.ufsm.br/handle/1/10108 |
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Universidade Federal de Santa Maria |
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UFSM |
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