Metabolizable energy for piglets in the nursery phase submitted at activation of immune system

The objective of this work was to evaluate the performance of piglets in the nursery phase submitted to activation of immune system with vaccine against Haemophilus parasuis and to different levels of metabolizable energy in the diets. It was used 160 barrows and females at 30 days of age, weaned at...

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Main Authors: Leandro de Melo Pereira, Márcio Gilberto Zangeronimo, Elias Tadeu Fialho, Vinícius de Souza Cantarelli, Hebert Silveira, Cesar Augusto Pospissil Garbossa, Luis Gustavo dos Santos Cerqueira, Thiago Hiroshi Kuribayashi
Format: Article
Language:English
Published: Sociedade Brasileira de Zootecnia 2011-08-01
Series:Revista Brasileira de Zootecnia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000800016
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author Leandro de Melo Pereira
Márcio Gilberto Zangeronimo
Elias Tadeu Fialho
Vinícius de Souza Cantarelli
Hebert Silveira
Cesar Augusto Pospissil Garbossa
Luis Gustavo dos Santos Cerqueira
Thiago Hiroshi Kuribayashi
author_facet Leandro de Melo Pereira
Márcio Gilberto Zangeronimo
Elias Tadeu Fialho
Vinícius de Souza Cantarelli
Hebert Silveira
Cesar Augusto Pospissil Garbossa
Luis Gustavo dos Santos Cerqueira
Thiago Hiroshi Kuribayashi
author_sort Leandro de Melo Pereira
collection DOAJ
description The objective of this work was to evaluate the performance of piglets in the nursery phase submitted to activation of immune system with vaccine against Haemophilus parasuis and to different levels of metabolizable energy in the diets. It was used 160 barrows and females at 30 days of age, weaned at 23 days of age, with initial weight of 7.97 ± 0.54 kg, distributed in 2 × 4 factorial arrangement (with vaccination and without vaccination with four levels of metabolizable energy - 3,200; 3,300; 3,400 and 3,500 kcal/kg). Each combination was evaluated with five repetitions of four animals per experimental plot (two males and two females). Energy levels reduced linearly the intake, feed conversion and the total number of leukocytes in blood in the experimental period, regardless of the use of vaccine which in turn reduced daily average weight gain only in the first week after second application and it increased the number of limonocytes and spleen weight after three weeks. There was no difference in the C-reactive protein quantity in the blood in the periods when it was evaluated. The use of vaccine reduces performance immediatelly after its application but after it occurs recovery of performance with changes in the number of monocytes and spleen weight. Dietary energy levels do not smooth this reduction in the performance, but they influence intake, feed conversion and blood parameters in the total period of use.
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spelling doaj.art-fd2b9618736f4cceb7ee39e5392f59152022-12-21T20:28:32ZengSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia1516-35981806-92902011-08-014081732173710.1590/S1516-35982011000800016Metabolizable energy for piglets in the nursery phase submitted at activation of immune systemLeandro de Melo PereiraMárcio Gilberto ZangeronimoElias Tadeu FialhoVinícius de Souza CantarelliHebert SilveiraCesar Augusto Pospissil GarbossaLuis Gustavo dos Santos CerqueiraThiago Hiroshi KuribayashiThe objective of this work was to evaluate the performance of piglets in the nursery phase submitted to activation of immune system with vaccine against Haemophilus parasuis and to different levels of metabolizable energy in the diets. It was used 160 barrows and females at 30 days of age, weaned at 23 days of age, with initial weight of 7.97 ± 0.54 kg, distributed in 2 × 4 factorial arrangement (with vaccination and without vaccination with four levels of metabolizable energy - 3,200; 3,300; 3,400 and 3,500 kcal/kg). Each combination was evaluated with five repetitions of four animals per experimental plot (two males and two females). Energy levels reduced linearly the intake, feed conversion and the total number of leukocytes in blood in the experimental period, regardless of the use of vaccine which in turn reduced daily average weight gain only in the first week after second application and it increased the number of limonocytes and spleen weight after three weeks. There was no difference in the C-reactive protein quantity in the blood in the periods when it was evaluated. The use of vaccine reduces performance immediatelly after its application but after it occurs recovery of performance with changes in the number of monocytes and spleen weight. Dietary energy levels do not smooth this reduction in the performance, but they influence intake, feed conversion and blood parameters in the total period of use.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000800016immunologic challengenutritionswinevaccine
spellingShingle Leandro de Melo Pereira
Márcio Gilberto Zangeronimo
Elias Tadeu Fialho
Vinícius de Souza Cantarelli
Hebert Silveira
Cesar Augusto Pospissil Garbossa
Luis Gustavo dos Santos Cerqueira
Thiago Hiroshi Kuribayashi
Metabolizable energy for piglets in the nursery phase submitted at activation of immune system
Revista Brasileira de Zootecnia
immunologic challenge
nutrition
swine
vaccine
title Metabolizable energy for piglets in the nursery phase submitted at activation of immune system
title_full Metabolizable energy for piglets in the nursery phase submitted at activation of immune system
title_fullStr Metabolizable energy for piglets in the nursery phase submitted at activation of immune system
title_full_unstemmed Metabolizable energy for piglets in the nursery phase submitted at activation of immune system
title_short Metabolizable energy for piglets in the nursery phase submitted at activation of immune system
title_sort metabolizable energy for piglets in the nursery phase submitted at activation of immune system
topic immunologic challenge
nutrition
swine
vaccine
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000800016
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