Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche

Detalhes bibliográficos
Autor(a) principal: Resende , Maíra
Data de Publicação: 2016
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UFLA
Texto Completo: http://repositorio.ufla.br/jspui/handle/1/12985
Resumo: Methionine (Met) is an essential amino acid and usually the second or third limiting amino acid in conventional swine diets. It has a direct function in the synthesis of proteins, as well as in other biological functions, important for the performance and the health of the animals. The aim of this study was to investigate the performance and intestinal health of piglets supplemented with L-Methionine (L-Met) compared to DL-Methionine (DL-Met) in the nursery phase. Seventy-two pigs (barrows and gilts) of high genetic value, with initial BW of 6.30 ± 0.81 kg and 25 days of age (4 days post-weaning), were randomly in three treatments for 42 days: Basal diet deficient in Met (DB), DB + 0.06% of DL-Met and DB + 0.06% L-Met. DB meeting 66% of the requirement of methionine in pre-starter phase and 71% in starter phase, according NRC (2012). DLM diets and LM meeting 88% (pre-starter) and 95% (starter) of requirement. The animals were weighed individually and the supply of feed per pen measured daily, for to calculate the final BW, average daily gain (ADG), daily feed intake (ADFI) and feed conversion (FCR), considering the amounts of feed leftovers. Daily incidence of diarrhea was performed, calculated using the percentage of positive pens for diarrhea over the total period of observations carried out. At 42 days of trial, a barrow per pen was slaughtered and jejunum segments were collected for evaluation of intestinal morphology. At 43 days blood samples from the remaining barrow of the pen were collected for evaluation of plasma urea. From 0 to 28 d of evaluation, L-Met supplementation increased final BW and ADG when compared to DB. At the end of 42 days, animals supplemented with DL-Met had better ADG than animals receiving DB. In addition, there was a trend of improvement in the final BW (P = 0.065) and the animals of the DL-Met and L-Met groups had a BW 4.85 and 6.63% higher than the DB group, respectively. From 0 to 35 days, animals supplemented with L-Met had a lower incidence of diarrhea when compared to DB and DL-Met groups. In the total period, the L-Met group presented lower incidence than the DL-Met group. The results of PUN and villus height, crypt depth and villous:crypt jejunum were not different between treatments. In conclusion, LMet supplementation increases the average daily gain at 28 days of nursery phase and DL-Met at 42 days of nursery phase. L-Met supplementation reduces the incidence of diarrhea during the nursery phase.
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spelling Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de crecheGrowth performance and intestinal health of piglets supplemented with dl or l-methionine in the nursery phaseSuínos - Desempenho intestinalSuínos - Saúde intestinalMetioninaSuínos - SuplementaçãoPigs - Intestinal performancePigs - Intestinal healthMethioninePigs - SupplementationZootecniaMethionine (Met) is an essential amino acid and usually the second or third limiting amino acid in conventional swine diets. It has a direct function in the synthesis of proteins, as well as in other biological functions, important for the performance and the health of the animals. The aim of this study was to investigate the performance and intestinal health of piglets supplemented with L-Methionine (L-Met) compared to DL-Methionine (DL-Met) in the nursery phase. Seventy-two pigs (barrows and gilts) of high genetic value, with initial BW of 6.30 ± 0.81 kg and 25 days of age (4 days post-weaning), were randomly in three treatments for 42 days: Basal diet deficient in Met (DB), DB + 0.06% of DL-Met and DB + 0.06% L-Met. DB meeting 66% of the requirement of methionine in pre-starter phase and 71% in starter phase, according NRC (2012). DLM diets and LM meeting 88% (pre-starter) and 95% (starter) of requirement. The animals were weighed individually and the supply of feed per pen measured daily, for to calculate the final BW, average daily gain (ADG), daily feed intake (ADFI) and feed conversion (FCR), considering the amounts of feed leftovers. Daily incidence of diarrhea was performed, calculated using the percentage of positive pens for diarrhea over the total period of observations carried out. At 42 days of trial, a barrow per pen was slaughtered and jejunum segments were collected for evaluation of intestinal morphology. At 43 days blood samples from the remaining barrow of the pen were collected for evaluation of plasma urea. From 0 to 28 d of evaluation, L-Met supplementation increased final BW and ADG when compared to DB. At the end of 42 days, animals supplemented with DL-Met had better ADG than animals receiving DB. In addition, there was a trend of improvement in the final BW (P = 0.065) and the animals of the DL-Met and L-Met groups had a BW 4.85 and 6.63% higher than the DB group, respectively. From 0 to 35 days, animals supplemented with L-Met had a lower incidence of diarrhea when compared to DB and DL-Met groups. In the total period, the L-Met group presented lower incidence than the DL-Met group. The results of PUN and villus height, crypt depth and villous:crypt jejunum were not different between treatments. In conclusion, LMet supplementation increases the average daily gain at 28 days of nursery phase and DL-Met at 42 days of nursery phase. L-Met supplementation reduces the incidence of diarrhea during the nursery phase.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)A metionina (Met) é um aminoácido essencial e geralmente o segundo ou terceiro aminoácido limitante em dietas convencionais para suínos. Possui função direta na síntese de proteínas, assim como em outras funções biológicas, importantes para o desempenho e a saúde dos animais. O trabalho foi realizado com o objetivo de investigar o desempenho e a saúde intestinal de leitões suplementados com L-Metionina (L-Met) em comparação com a DL-Metionina (DLMet) na fase de creche. Foram utilizados 72 suínos (machos castrados e fêmeas) de alto valor genético, com peso inicial de 6,30 ± 0,81 kg e 25 dias de idade (4 dias pós-desmame), distribuídos aleatoriamente em 3 tratamentos, por 42 dias: Dieta basal deficiente em Met (DB), DB + 0,06% de DL-Met e DB + 0,06% de L-Met. A DB atendeu 66% da exigência de Met na fase pré-inicial e 71% na inicial, segundo o NRC (2012). As dietas DL-Met e L-Met atenderam 88% (pré-inicial) e 95% (inicial) das exigências de metionina. Os animais foram pesados individualmente e o fornecimento de ração mensurado por baia diariamente, com o objetivo de calcular as variáveis de desempenho consumo de ração diário (CRD), ganho de peso diário (GPD), conversão alimentar (CA) e peso final (PF), considerando os valores de sobras de ração. Diariamente foi avaliada a incidência de diarreia, calculada através da porcentagem de baias com animais positivos para diarreia em relação ao total de observações realizadas no período. Aos 42 dias de ensaio, um macho castrado por parcela experimental foi abatido e segmentos de jejuno foram coletados para avaliação da morfologia intestinal. Aos 43 dias amostras de sangue do macho restante da parcela foram coletadas para avaliação da ureia plasmática. Do 0 aos 28 dias de avaliação, a suplementação com L-Met aumentou o PF e o GPD, quando comparados com a DB. Ao final dos 42 dias, os animais suplementados com DL-Met tiveram melhor GPD do que os animais que receberam a DB. Além disso, houve uma tendência de melhora no PF (P = 0,065), sendo que os animais do grupo DL-Met e L-Met tiveram um peso 4,85 e 6,63% maior do que o grupo DB, respectivamente. Do 0 aos 35 dias, os animais suplementados com L-Met apresentaram uma menor incidência de diarreia, quando comparados com os grupos DB e DLMet. Já no período total, o grupo L-Met apresentou menor incidência do que o grupo DL-Met. Os resultados de ureia plasmática e altura de vilosidade, profundidade de cripta e relação vilo:cripta do jejuno não foram diferentes entre os tratamentos. Como conclusão, a suplementação com L-Met aumenta o ganho de peso diário até os 28 dias de creche e a de DLMet até os 42 dias de creche. A suplementação com L-Met reduz a incidência de diarreia durante a fase de creche.Universidade Federal de LavrasPrograma de Pós-Graduação em ZootecniaUFLAbrasilDepartamento de ZootecniaCantarelli, Vinícius de SouzaHauschild, LucianoAbreu, Márvio Lobão Teixeira deFerreira, Rony AntonioResende , Maíra2017-05-15T16:29:35Z2017-05-15T16:29:35Z2017-05-122016-10-28info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfRESENDE, M. Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche. 2017. 40 p. Dissertação (Mestrado em Zootecnia)-Universidade Federal de Lavras, Lavras, 2016.http://repositorio.ufla.br/jspui/handle/1/12985porinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLA2018-06-29T17:10:00Zoai:localhost:1/12985Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2018-06-29T17:10Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false
dc.title.none.fl_str_mv Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
Growth performance and intestinal health of piglets supplemented with dl or l-methionine in the nursery phase
title Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
spellingShingle Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
Resende , Maíra
Suínos - Desempenho intestinal
Suínos - Saúde intestinal
Metionina
Suínos - Suplementação
Pigs - Intestinal performance
Pigs - Intestinal health
Methionine
Pigs - Supplementation
Zootecnia
title_short Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
title_full Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
title_fullStr Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
title_full_unstemmed Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
title_sort Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche
author Resende , Maíra
author_facet Resende , Maíra
author_role author
dc.contributor.none.fl_str_mv Cantarelli, Vinícius de Souza
Hauschild, Luciano
Abreu, Márvio Lobão Teixeira de
Ferreira, Rony Antonio
dc.contributor.author.fl_str_mv Resende , Maíra
dc.subject.por.fl_str_mv Suínos - Desempenho intestinal
Suínos - Saúde intestinal
Metionina
Suínos - Suplementação
Pigs - Intestinal performance
Pigs - Intestinal health
Methionine
Pigs - Supplementation
Zootecnia
topic Suínos - Desempenho intestinal
Suínos - Saúde intestinal
Metionina
Suínos - Suplementação
Pigs - Intestinal performance
Pigs - Intestinal health
Methionine
Pigs - Supplementation
Zootecnia
description Methionine (Met) is an essential amino acid and usually the second or third limiting amino acid in conventional swine diets. It has a direct function in the synthesis of proteins, as well as in other biological functions, important for the performance and the health of the animals. The aim of this study was to investigate the performance and intestinal health of piglets supplemented with L-Methionine (L-Met) compared to DL-Methionine (DL-Met) in the nursery phase. Seventy-two pigs (barrows and gilts) of high genetic value, with initial BW of 6.30 ± 0.81 kg and 25 days of age (4 days post-weaning), were randomly in three treatments for 42 days: Basal diet deficient in Met (DB), DB + 0.06% of DL-Met and DB + 0.06% L-Met. DB meeting 66% of the requirement of methionine in pre-starter phase and 71% in starter phase, according NRC (2012). DLM diets and LM meeting 88% (pre-starter) and 95% (starter) of requirement. The animals were weighed individually and the supply of feed per pen measured daily, for to calculate the final BW, average daily gain (ADG), daily feed intake (ADFI) and feed conversion (FCR), considering the amounts of feed leftovers. Daily incidence of diarrhea was performed, calculated using the percentage of positive pens for diarrhea over the total period of observations carried out. At 42 days of trial, a barrow per pen was slaughtered and jejunum segments were collected for evaluation of intestinal morphology. At 43 days blood samples from the remaining barrow of the pen were collected for evaluation of plasma urea. From 0 to 28 d of evaluation, L-Met supplementation increased final BW and ADG when compared to DB. At the end of 42 days, animals supplemented with DL-Met had better ADG than animals receiving DB. In addition, there was a trend of improvement in the final BW (P = 0.065) and the animals of the DL-Met and L-Met groups had a BW 4.85 and 6.63% higher than the DB group, respectively. From 0 to 35 days, animals supplemented with L-Met had a lower incidence of diarrhea when compared to DB and DL-Met groups. In the total period, the L-Met group presented lower incidence than the DL-Met group. The results of PUN and villus height, crypt depth and villous:crypt jejunum were not different between treatments. In conclusion, LMet supplementation increases the average daily gain at 28 days of nursery phase and DL-Met at 42 days of nursery phase. L-Met supplementation reduces the incidence of diarrhea during the nursery phase.
publishDate 2016
dc.date.none.fl_str_mv 2016-10-28
2017-05-15T16:29:35Z
2017-05-15T16:29:35Z
2017-05-12
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 RESENDE, M. Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche. 2017. 40 p. Dissertação (Mestrado em Zootecnia)-Universidade Federal de Lavras, Lavras, 2016.
http://repositorio.ufla.br/jspui/handle/1/12985
identifier_str_mv RESENDE, M. Desempenho e saúde intestinal de leitões suplementados com DL ou L-metionina na fase de creche. 2017. 40 p. Dissertação (Mestrado em Zootecnia)-Universidade Federal de Lavras, Lavras, 2016.
url http://repositorio.ufla.br/jspui/handle/1/12985
dc.language.iso.fl_str_mv por
language por
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 Universidade Federal de Lavras
Programa de Pós-Graduação em Zootecnia
UFLA
brasil
Departamento de Zootecnia
publisher.none.fl_str_mv Universidade Federal de Lavras
Programa de Pós-Graduação em Zootecnia
UFLA
brasil
Departamento de Zootecnia
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFLA
instname:Universidade Federal de Lavras (UFLA)
instacron:UFLA
instname_str Universidade Federal de Lavras (UFLA)
instacron_str UFLA
institution UFLA
reponame_str Repositório Institucional da UFLA
collection Repositório Institucional da UFLA
repository.name.fl_str_mv Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)
repository.mail.fl_str_mv nivaldo@ufla.br || repositorio.biblioteca@ufla.br
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