Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition

Ninety-six barrows from 63 to 103 days of age were used to evaluate the effects of dietary digestible lysine levels on performance and carcass traits of two genetic lines selected for lean deposition. Pigs with initial body weight of 23.800 ± 1.075 kg were allotted in a completely randomized block d...

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Main Authors: Eduardo Ianino Fortes, Juarez Lopes Donzele, Rita Flávia Miranda de Oliveira, Alysson Saraiva, Francisco Carlos de Oliveira Silva, Matheus Faria de Souza, Gabriel Cipriano Rocha, Leandro Alebrante
Format: Article
Language:English
Published: Sociedade Brasileira de Zootecnia 2011-10-01
Series:Revista Brasileira de Zootecnia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001000015
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author Eduardo Ianino Fortes
Juarez Lopes Donzele
Rita Flávia Miranda de Oliveira
Alysson Saraiva
Francisco Carlos de Oliveira Silva
Matheus Faria de Souza
Gabriel Cipriano Rocha
Leandro Alebrante
author_facet Eduardo Ianino Fortes
Juarez Lopes Donzele
Rita Flávia Miranda de Oliveira
Alysson Saraiva
Francisco Carlos de Oliveira Silva
Matheus Faria de Souza
Gabriel Cipriano Rocha
Leandro Alebrante
author_sort Eduardo Ianino Fortes
collection DOAJ
description Ninety-six barrows from 63 to 103 days of age were used to evaluate the effects of dietary digestible lysine levels on performance and carcass traits of two genetic lines selected for lean deposition. Pigs with initial body weight of 23.800 ± 1.075 kg were allotted in a completely randomized block design, within a 4 × 2 factorial arrangement (four digestible lysine levels: 0.80, 0.90, 1.00, 1.10%, and two genetic lines), with six replicates and two pigs per experimental unit. There was no interaction between genetic and digestible lysine levels. The digestible lysine levels also did not influence performance or carcass traits of pigs; however, average daily lysine intake increased with increasing digestible lysine level in the experimental diets. Pigs from genetic line B had better carcass traits when compared with those from genetic line A. The level of 0.80% digestible lysine corresponding to a daily intake of 16.60 g digestible lysine meets the nutritional requirement of pigs from both genetic lines evaluated, from 63 to 103 days of age.
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spelling doaj.art-26779fcee87045c7901fe645417bd1922022-12-22T03:10:58ZengSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia1516-35981806-92902011-10-0140102167217110.1590/S1516-35982011001000015Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean depositionEduardo Ianino FortesJuarez Lopes DonzeleRita Flávia Miranda de OliveiraAlysson SaraivaFrancisco Carlos de Oliveira SilvaMatheus Faria de SouzaGabriel Cipriano RochaLeandro AlebranteNinety-six barrows from 63 to 103 days of age were used to evaluate the effects of dietary digestible lysine levels on performance and carcass traits of two genetic lines selected for lean deposition. Pigs with initial body weight of 23.800 ± 1.075 kg were allotted in a completely randomized block design, within a 4 × 2 factorial arrangement (four digestible lysine levels: 0.80, 0.90, 1.00, 1.10%, and two genetic lines), with six replicates and two pigs per experimental unit. There was no interaction between genetic and digestible lysine levels. The digestible lysine levels also did not influence performance or carcass traits of pigs; however, average daily lysine intake increased with increasing digestible lysine level in the experimental diets. Pigs from genetic line B had better carcass traits when compared with those from genetic line A. The level of 0.80% digestible lysine corresponding to a daily intake of 16.60 g digestible lysine meets the nutritional requirement of pigs from both genetic lines evaluated, from 63 to 103 days of age.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001000015amino acidscarcassgenotypegrowingperformance
spellingShingle Eduardo Ianino Fortes
Juarez Lopes Donzele
Rita Flávia Miranda de Oliveira
Alysson Saraiva
Francisco Carlos de Oliveira Silva
Matheus Faria de Souza
Gabriel Cipriano Rocha
Leandro Alebrante
Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
Revista Brasileira de Zootecnia
amino acids
carcass
genotype
growing
performance
title Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
title_full Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
title_fullStr Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
title_full_unstemmed Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
title_short Digestible lysine for 63 to 103 day-old barrows of genetic lines selected for lean deposition
title_sort digestible lysine for 63 to 103 day old barrows of genetic lines selected for lean deposition
topic amino acids
carcass
genotype
growing
performance
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011001000015
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