Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture
The influence of early weaning and concentrate supplementation strategies on sward characteristics, forage chemical composition and lamb productivity were evaluated in four production systems on Tifton-85 pasture: suckling lambs not supplemented until slaughter; suckling lambs supplemented with conc...
| Autores: | , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2014 |
| País: | Brasil |
| Institución: | Universidade Estadual Paulista (UNESP) |
| Repositorio: | Repositório Institucional da UNESP |
| Idioma: | inglés |
| OAI Identifier: | oai:repositorio.unesp.br:11449/129926 |
| Acceso en línea: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000800428&lng=en&nrm=iso&tlng=en http://hdl.handle.net/11449/129926 |
| Access Level: | acceso abierto |
| Palabra clave: | Average daily gain Creep feeding Leaf:stem ratio Productivity Stocking rate |
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Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pastureAverage daily gainCreep feedingLeaf:stem ratioProductivityStocking rateThe influence of early weaning and concentrate supplementation strategies on sward characteristics, forage chemical composition and lamb productivity were evaluated in four production systems on Tifton-85 pasture: suckling lambs not supplemented until slaughter; suckling lambs supplemented with concentrate in creep feeding until slaughter; early-weaned lambs not supplemented until slaughter; and early-weaned lambs supplemented with concentrate until slaughter. Structural, morphological and productive characteristics of pasture were measured. The forage was chemically analyzed to estimate its composition. Lambs average daily gain and productivity were calculated. Sward height, forage and morphological components mass were lower in systems without weaning. Forage production was higher in systems with supplementation. Higher levels of neutral and acid detergent fiber were observed in forage ingested by lambs in creep feeding and by weaned and unsupplemented lambs. Average daily gain was higher for lambs in creep feeding (275 g/d) and lower for the weaned and unsupplemented animals (57 g/d). Productivity was higher for weaned and supplemented lambs (21 kg lamb body weight, BW gain/ha/d). Lower productivity was observed in systems without supplementation (5 kg lamb BW gain/ha/d on average). Ewes modify the sward conditions improving the pasture characteristics and the quality of forage produced. Changes in sward conditions affect the chemical composition of forage ingested by lambs. Early weaning may be an alternative to maximize pasture utilization in small areas. Concentrate supplementation may increase lamb performance and productivity in grazing systems. If the objective is to improve lamb individual performance, creep feeding should be used.Universidade Federal do Paraná, Departamento de ZootecniaUniversidade Federal do Rio Grande do Sul, Departamento de ZootecniaUniversidade Estadual Paulista, Departamento de Melhoramento e Nutrição Animal, Faculdade de Medicina Veterinária e Zootecnia de BotucatuRevista Brasileira Zootecnia Brazilian Journal Animal SciUniversidade Federal do Paraná (UFPR)Universidade Estadual Paulista (Unesp)Universidade Federal do Rio Grande do Sul (UFRGS)2015-11-03T15:27:51Z2015-11-03T15:27:51Z2014-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article428-435application/pdfhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000800428&lng=en&nrm=iso&tlng=enRevista Brasileira De Zootecnia-brazilian Journal Of Animal Science. Vicosa-mg: Revista Brasileira Zootecnia Brazilian Journal Animal Sci, v. 43, n. 8, p. 428-435, 2014.1806-9290http://hdl.handle.net/11449/12992610.1590/S1516-35982014000800005S1516-35982014000800428WOS:000340839900005S1516-35982014000800428.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista Brasileira De Zootecnia-brazilian Journal Of Animal Science0.735info:eu-repo/semantics/openAccessSilva, Cláudio José Araújo daFernandes, Sergio RodrigoSilva, Marina Gabriela Berchiol da [UNESP]Monteiro, Alda Lúcia GomesPoli, César Henrique Espírito CandalPrado, Odilei RogerioMcMannus, ConceptaGilaverte, Susana2025-10-23T05:01:03Zoai:repositorio.unesp.br:11449/129926Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462025-10-23T05:01:03Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
| dc.title.none.fl_str_mv |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| title |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| spellingShingle |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture Silva, Cláudio José Araújo da Average daily gain Creep feeding Leaf:stem ratio Productivity Stocking rate |
| title_short |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| title_full |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| title_fullStr |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| title_full_unstemmed |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| title_sort |
Early weaning and concentrate supplementation strategies for lamb production on Tifton-85 pasture |
| dc.creator.none.fl_str_mv |
Silva, Cláudio José Araújo da Fernandes, Sergio Rodrigo Silva, Marina Gabriela Berchiol da [UNESP] Monteiro, Alda Lúcia Gomes Poli, César Henrique Espírito Candal Prado, Odilei Rogerio McMannus, Concepta Gilaverte, Susana |
| author |
Silva, Cláudio José Araújo da |
| author_facet |
Silva, Cláudio José Araújo da Fernandes, Sergio Rodrigo Silva, Marina Gabriela Berchiol da [UNESP] Monteiro, Alda Lúcia Gomes Poli, César Henrique Espírito Candal Prado, Odilei Rogerio McMannus, Concepta Gilaverte, Susana |
| author_role |
author |
| author2 |
Fernandes, Sergio Rodrigo Silva, Marina Gabriela Berchiol da [UNESP] Monteiro, Alda Lúcia Gomes Poli, César Henrique Espírito Candal Prado, Odilei Rogerio McMannus, Concepta Gilaverte, Susana |
| author2_role |
author author author author author author author |
| dc.contributor.none.fl_str_mv |
Universidade Federal do Paraná (UFPR) Universidade Estadual Paulista (Unesp) Universidade Federal do Rio Grande do Sul (UFRGS) |
| dc.subject.por.fl_str_mv |
Average daily gain Creep feeding Leaf:stem ratio Productivity Stocking rate |
| topic |
Average daily gain Creep feeding Leaf:stem ratio Productivity Stocking rate |
| description |
The influence of early weaning and concentrate supplementation strategies on sward characteristics, forage chemical composition and lamb productivity were evaluated in four production systems on Tifton-85 pasture: suckling lambs not supplemented until slaughter; suckling lambs supplemented with concentrate in creep feeding until slaughter; early-weaned lambs not supplemented until slaughter; and early-weaned lambs supplemented with concentrate until slaughter. Structural, morphological and productive characteristics of pasture were measured. The forage was chemically analyzed to estimate its composition. Lambs average daily gain and productivity were calculated. Sward height, forage and morphological components mass were lower in systems without weaning. Forage production was higher in systems with supplementation. Higher levels of neutral and acid detergent fiber were observed in forage ingested by lambs in creep feeding and by weaned and unsupplemented lambs. Average daily gain was higher for lambs in creep feeding (275 g/d) and lower for the weaned and unsupplemented animals (57 g/d). Productivity was higher for weaned and supplemented lambs (21 kg lamb body weight, BW gain/ha/d). Lower productivity was observed in systems without supplementation (5 kg lamb BW gain/ha/d on average). Ewes modify the sward conditions improving the pasture characteristics and the quality of forage produced. Changes in sward conditions affect the chemical composition of forage ingested by lambs. Early weaning may be an alternative to maximize pasture utilization in small areas. Concentrate supplementation may increase lamb performance and productivity in grazing systems. If the objective is to improve lamb individual performance, creep feeding should be used. |
| publishDate |
2014 |
| dc.date.none.fl_str_mv |
2014-08-01 2015-11-03T15:27:51Z 2015-11-03T15:27:51Z |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.uri.fl_str_mv |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000800428&lng=en&nrm=iso&tlng=en Revista Brasileira De Zootecnia-brazilian Journal Of Animal Science. Vicosa-mg: Revista Brasileira Zootecnia Brazilian Journal Animal Sci, v. 43, n. 8, p. 428-435, 2014. 1806-9290 http://hdl.handle.net/11449/129926 10.1590/S1516-35982014000800005 S1516-35982014000800428 WOS:000340839900005 S1516-35982014000800428.pdf |
| url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000800428&lng=en&nrm=iso&tlng=en http://hdl.handle.net/11449/129926 |
| identifier_str_mv |
Revista Brasileira De Zootecnia-brazilian Journal Of Animal Science. Vicosa-mg: Revista Brasileira Zootecnia Brazilian Journal Animal Sci, v. 43, n. 8, p. 428-435, 2014. 1806-9290 10.1590/S1516-35982014000800005 S1516-35982014000800428 WOS:000340839900005 S1516-35982014000800428.pdf |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
Revista Brasileira De Zootecnia-brazilian Journal Of Animal Science 0.735 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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428-435 application/pdf |
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Revista Brasileira Zootecnia Brazilian Journal Animal Sci |
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Revista Brasileira Zootecnia Brazilian Journal Animal Sci |
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Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
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Universidade Estadual Paulista (UNESP) |
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UNESP |
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UNESP |
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Repositório Institucional da UNESP |
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Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
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repositoriounesp@unesp.br |
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