Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay

The effects of replacing Tifton hay with castor bean hulls (0, 33, 66 and 100%) on the leg tissue composition, chemical composition, physicochemical parameters and sensorial traits of sheep meat were studied. A total of 28 non-castrated sheep averaging seven months in age with an average initial wei...

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Main Authors: Stela Antas Urbano, Marcelo de Andrade Ferreira, Maria Inês Sucupira Maciel, Wilson Moreira Dutra Júnior, Rafael de Paula Xavier de Andrade, Daniel Cézar da Silva
Format: Article
Language:English
Published: Sociedade Brasileira de Zootecnia 2013-10-01
Series:Revista Brasileira de Zootecnia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001000010&lng=en&tlng=en
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author Stela Antas Urbano
Marcelo de Andrade Ferreira
Maria Inês Sucupira Maciel
Wilson Moreira Dutra Júnior
Rafael de Paula Xavier de Andrade
Daniel Cézar da Silva
author_facet Stela Antas Urbano
Marcelo de Andrade Ferreira
Maria Inês Sucupira Maciel
Wilson Moreira Dutra Júnior
Rafael de Paula Xavier de Andrade
Daniel Cézar da Silva
author_sort Stela Antas Urbano
collection DOAJ
description The effects of replacing Tifton hay with castor bean hulls (0, 33, 66 and 100%) on the leg tissue composition, chemical composition, physicochemical parameters and sensorial traits of sheep meat were studied. A total of 28 non-castrated sheep averaging seven months in age with an average initial weight of 19.5±4.3 kg were assigned to a randomized block design with four treatments and seven replicates and were slaughtered after 70 days of confinement. At slaughter, body weight and leg, muscle and bone weights decreased linearly, whereas the muscle-to-bone ratio increased linearly according to the treatments. There was a quadratic effect on yellow intensity (maximum of 8.05 with replacement of 54.5%) and the percentage of cooking losses (minimum of 33.8% with replacement of 45.17%). The treatment employed did not affect either the chemical composition or sensorial traits of the lamb meat. Although replacing Tifton hay with castor bean hulls alters the tissue composition of the leg as well as some physicochemical parameters of the meat, the sensory analysis indicated good acceptability of the meat, regardless of the inclusion of this byproduct.
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spelling doaj.art-dc323e16d1ed4c33a1994c14ceac4d902022-12-21T23:52:27ZengSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia1806-92902013-10-01421075976510.1590/S1516-35982013001000010S1516-35982013001000010Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hayStela Antas Urbano0Marcelo de Andrade Ferreira1Maria Inês Sucupira Maciel2Wilson Moreira Dutra Júnior3Rafael de Paula Xavier de Andrade4Daniel Cézar da Silva5Universidade Federal Rural de PernambucoUniversidade Federal Rural de PernambucoUniversidade Federal Rural de PernambucoUniversidade Federal Rural de PernambucoUniversidade Federal Rural de PernambucoUniversidade Federal Rural de PernambucoThe effects of replacing Tifton hay with castor bean hulls (0, 33, 66 and 100%) on the leg tissue composition, chemical composition, physicochemical parameters and sensorial traits of sheep meat were studied. A total of 28 non-castrated sheep averaging seven months in age with an average initial weight of 19.5±4.3 kg were assigned to a randomized block design with four treatments and seven replicates and were slaughtered after 70 days of confinement. At slaughter, body weight and leg, muscle and bone weights decreased linearly, whereas the muscle-to-bone ratio increased linearly according to the treatments. There was a quadratic effect on yellow intensity (maximum of 8.05 with replacement of 54.5%) and the percentage of cooking losses (minimum of 33.8% with replacement of 45.17%). The treatment employed did not affect either the chemical composition or sensorial traits of the lamb meat. Although replacing Tifton hay with castor bean hulls alters the tissue composition of the leg as well as some physicochemical parameters of the meat, the sensory analysis indicated good acceptability of the meat, regardless of the inclusion of this byproduct.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001000010&lng=en&tlng=enbiodiesellambsensory attributetissue component
spellingShingle Stela Antas Urbano
Marcelo de Andrade Ferreira
Maria Inês Sucupira Maciel
Wilson Moreira Dutra Júnior
Rafael de Paula Xavier de Andrade
Daniel Cézar da Silva
Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
Revista Brasileira de Zootecnia
biodiesel
lamb
sensory attribute
tissue component
title Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
title_full Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
title_fullStr Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
title_full_unstemmed Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
title_short Tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
title_sort tissue composition of the leg and meat quality of sheep fed castor bean hulls in replacement of tifton hay
topic biodiesel
lamb
sensory attribute
tissue component
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001000010&lng=en&tlng=en
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AT mariainessucupiramaciel tissuecompositionofthelegandmeatqualityofsheepfedcastorbeanhullsinreplacementoftiftonhay
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