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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
19/11/2020 |
Data da última atualização: |
19/11/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
COSTA, C. dos S.; ROGERIO, M. C. P.; ALVES, F. G. da S.; GUEDES, L. F.; POMPEU, R. C. F. F.; FERREIRA, A. L.; VASCONCELOS, A. M. de; MUIR, J. P.; NEIVA, J. N. M. |
Afiliação: |
CLÉSIO DOS SANTOS COSTA, Federal University of Ceara (UFC) - Fortaleza, CE, Brazil.; MARCOS CLAUDIO PINHEIRO ROGERIO, CNPC; FRANCISCO GLEYSON DA SILVEIRA ALVES; LUCIANA FREITAS GUEDES; ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; ALEXANDRE LIMA FERREIRA; ÂNGELA MARIA DE VASCONCELOS; JAMES PIERRE MUIR, Texas A&M AgriLife Research - Stephenville, TX 76401, USA.; JOSÉ NEUMAN MIRANDA NEIVA, Federal University of Tocantins (UFT) - Araguaina, TO, Brazil. |
Título: |
Dietary nutrient restrictions in the post-weaning period change feed efficiency and productivity of Santa Inês ewe lambs. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Animal Production Science, v. 60, n. 17, p. 1978-1986, 2020. |
DOI: |
https://doi.org/10.1071/AN19300 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Context: Interest in sheep production has grown considerably, mainly in the meat market segment in large urban centres. This growth is due to improved efficiencyand quality products, which makes the segment attractive for production. Aims: Our objective was to evaluate the effects of dietary nutrient restrictions on the feed efficiency and productivity of Santa Inês ewe lambs. Methods: Twenty Santa Inês ewe lambs were weaned at an average weight of 15.09 ± 2.63 kg and were randomly assigned in a 2 × 2 factorial design to nutritional plans for carcass finishing (early and late maturity) and levels of nutrient restriction (0% and 15% reduction of both crude protein (CP) and total digestible nutrients (TDN) relative to requirements) with five replications per treatment. The trial was divided into two phases: lambs aged 4?8 months (<8 months) and lambs >8 months old. Key results: There were no differences (P > 0.05) between diets for average daily gain (ADG), dry matter intake (DMI), feed efficiency and residual feed intake. Ratios of ADG?:?DMI (% of liveweight (LW) and LW0.75) were affected (P ? 0.05) by restriction in ewe lambs >8 months old. Restriction model tests (?1, ?2, ?3 and ?4) did not differ (P > 0.05) from complete models for diets formulated for early maturity; therefore, a single standard growth curve fitted this nutritional plan. On the other hand, the restriction model responses for diets formulated to late maturity differed (P ? 0.05) from the complete model, generating different standard growth curves according to the applied restriction. Feeding Santa Inês ewe lambs a restricted diet (by 15% CP and TDN) in an early-maturity nutritional plan will allow lambs to reach slaughter LW earlier than those fed unrestricted diets. Conclusions and implications: When the objective is to terminate animals at a later age (>8 months), unrestricted diet formulated to a late-maturity nutritional plan will produce higher LW and subsequent reproductive efficiency. By contrast, reducing CP and TDN by 15% for ewe lambs >8 months of age may reduce growth rates at an initial phase. MenosAbstract: Context: Interest in sheep production has grown considerably, mainly in the meat market segment in large urban centres. This growth is due to improved efficiencyand quality products, which makes the segment attractive for production. Aims: Our objective was to evaluate the effects of dietary nutrient restrictions on the feed efficiency and productivity of Santa Inês ewe lambs. Methods: Twenty Santa Inês ewe lambs were weaned at an average weight of 15.09 ± 2.63 kg and were randomly assigned in a 2 × 2 factorial design to nutritional plans for carcass finishing (early and late maturity) and levels of nutrient restriction (0% and 15% reduction of both crude protein (CP) and total digestible nutrients (TDN) relative to requirements) with five replications per treatment. The trial was divided into two phases: lambs aged 4?8 months (<8 months) and lambs >8 months old. Key results: There were no differences (P > 0.05) between diets for average daily gain (ADG), dry matter intake (DMI), feed efficiency and residual feed intake. Ratios of ADG?:?DMI (% of liveweight (LW) and LW0.75) were affected (P ? 0.05) by restriction in ewe lambs >8 months old. Restriction model tests (?1, ?2, ?3 and ?4) did not differ (P > 0.05) from complete models for diets formulated for early maturity; therefore, a single standard growth curve fitted this nutritional plan. On the other hand, the restriction model responses for diets formulated to late maturity differed (P ? 0.05) from the complete... Mostrar Tudo |
Palavras-Chave: |
Maturity; Non-linear model. |
Thesaurus Nal: |
Dietary restriction; Nutrient use efficiency; Ruminant nutrition; Sheep feeding. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 03088naa a2200301 a 4500 001 2126819 005 2020-11-19 008 2020 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1071/AN19300$2DOI 100 1 $aCOSTA, C. dos S. 245 $aDietary nutrient restrictions in the post-weaning period change feed efficiency and productivity of Santa Inês ewe lambs.$h[electronic resource] 260 $c2020 520 $aAbstract: Context: Interest in sheep production has grown considerably, mainly in the meat market segment in large urban centres. This growth is due to improved efficiencyand quality products, which makes the segment attractive for production. Aims: Our objective was to evaluate the effects of dietary nutrient restrictions on the feed efficiency and productivity of Santa Inês ewe lambs. Methods: Twenty Santa Inês ewe lambs were weaned at an average weight of 15.09 ± 2.63 kg and were randomly assigned in a 2 × 2 factorial design to nutritional plans for carcass finishing (early and late maturity) and levels of nutrient restriction (0% and 15% reduction of both crude protein (CP) and total digestible nutrients (TDN) relative to requirements) with five replications per treatment. The trial was divided into two phases: lambs aged 4?8 months (<8 months) and lambs >8 months old. Key results: There were no differences (P > 0.05) between diets for average daily gain (ADG), dry matter intake (DMI), feed efficiency and residual feed intake. Ratios of ADG?:?DMI (% of liveweight (LW) and LW0.75) were affected (P ? 0.05) by restriction in ewe lambs >8 months old. Restriction model tests (?1, ?2, ?3 and ?4) did not differ (P > 0.05) from complete models for diets formulated for early maturity; therefore, a single standard growth curve fitted this nutritional plan. On the other hand, the restriction model responses for diets formulated to late maturity differed (P ? 0.05) from the complete model, generating different standard growth curves according to the applied restriction. Feeding Santa Inês ewe lambs a restricted diet (by 15% CP and TDN) in an early-maturity nutritional plan will allow lambs to reach slaughter LW earlier than those fed unrestricted diets. Conclusions and implications: When the objective is to terminate animals at a later age (>8 months), unrestricted diet formulated to a late-maturity nutritional plan will produce higher LW and subsequent reproductive efficiency. By contrast, reducing CP and TDN by 15% for ewe lambs >8 months of age may reduce growth rates at an initial phase. 650 $aDietary restriction 650 $aNutrient use efficiency 650 $aRuminant nutrition 650 $aSheep feeding 653 $aMaturity 653 $aNon-linear model 700 1 $aROGERIO, M. C. P. 700 1 $aALVES, F. G. da S. 700 1 $aGUEDES, L. F. 700 1 $aPOMPEU, R. C. F. F. 700 1 $aFERREIRA, A. L. 700 1 $aVASCONCELOS, A. M. de 700 1 $aMUIR, J. P. 700 1 $aNEIVA, J. N. M. 773 $tAnimal Production Science$gv. 60, n. 17, p. 1978-1986, 2020.
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Embrapa Caprinos e Ovinos (CNPC) |
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Registros recuperados : 106 | |
1. | | VASCONCELOS, V. R.; ARAÚJO, A. M.; NEIVA, J. N. M. Desenvolvimento ponderal de cabritos das raças Pardo Alpina, Anglo Nubiana e Saanen, no Nordeste brasileiro. In: CONGRESSO NORDESTINO DE PRODUÇÃO ANIMAL, 1., 1998, Fortaleza. Resumos... Fortaleza: Sociedade Nordestina de Producao Animal, 1998. p. 54. Editado por Abelardo Ribeiro de Azevedo, Ronaldo de Oliveira Sales, Francisco Jose Sales Bastos, Alcides Batista de Castro, Abelardo Ribeiro de Azevedo Junior.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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3. | | CAVALCANTE, A. C. R.; NEIVA, J. N. M. Produção de silagem. In: CAMPOS, A. C. N. (Coord.). Do campus para o campo: tecnologias para produção de ovinos e caprinos. Fortaleza: Gráfica Nacional, 2005. Cap. 7, p. 77-87.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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7. | | CAVALCANTE, A. C. R.; NEIVA, J. N. M.; CÂNDIDO, M. J. D.; VIEIRA, L. da S. Produção de ovinos e caprinos de corte em sistema rotativo de pastagem. In: SEMINÁRIO NORDESTINO DE PECUÁRIA, 8.; FEIRA DE PRODUTOS E DE SERVIÇOS AGROPECUÁRIOS, 8.; SIMPÓSIO ASSOCIAÇÃO CEARENSE DE TÉCNICAS AVÍCOLAS, 7., 2004, Fortaleza. Sanidade animal: sobrevivência e competitividade da pecuária; Caprino-ovinocultura; palestras técnicas. Fortaleza: Federação da Agricultura e Pecuária do Estado do Ceará, 2004. p. 34-49Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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8. | | LOUSADA JÚNIOR, J. E.; NEIVA, J. N. M.; RODRIGUEZ, N. M.; PIMENTEL, J. C. M.; LOBO, R. N. B. Consumo e digestibilidade aparente de subprodutos do processamento de frutas em ovinos. Revista Brasileira de Zootecnia, Viçosa, MG, v. 34, n. 2, p. 659-669, mar./abr. 2005.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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13. | | ARAUJO FILHO, J. A. de; SOUZA NETO, J. de; NEIVA, J. N. M.; CAVALCANTE, A. C. R. Efeitos da taxa de lotação sobre o desempenho produtivo de ovinos em caatinga raleada. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 37., 2000, Viçosa, MG. Resumos dos trabalhos apresentados. Viçosa, MG: Sociedade Brasileira de Zootecnia, 2000. 3 f.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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15. | | FERREIRA, A. C. H.; NEIVA, J. N. M.; RODRIGUEZ, N. M.; LOPES, F. C. F.; BORGES, I.; PENA, F. V. Digestibilidade aparente das silagens de capim elefante com diferentes níveis de subprodutos da indústria do suco da acerola. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA. 45., 2008, Lavras, MG. Anais... Viçosa, MG: Sociedade Brasileira de Zootecnia, 2008.Tipo: Artigo em Anais de Congresso / Nota Técnica |
Biblioteca(s): Embrapa Gado de Leite. |
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16. | | CAMURÇA, D. A.; NEIVA, J. N. M.; PIMENTEL, J. C. M.; VASCONCELOS, V. R.; LOBO, R. N. B. Desempenho produtivo de ovinos alimentados com dietas à base de feno de gramíneas tropicais. Revista Brasileira de Zootecnia, Viçosa, MG, v. 31, n. 5, p. 2113-2122, 2002.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
Biblioteca(s): Embrapa Caprinos e Ovinos. |
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18. | | MIOTTO, F. R. C.; NEIVA, J. N. M.; VOLTOLINI, T. V.; ROGERIO, M. C. P.; CASTRO, K. J. de. Desempenho produtivo de tourinhos Nelore x Limousin alimentados com dietas contendo gérmen de milho integral. Revista Ciência Agronômica, Fortaleza, v. 40, n. 4, p. 624-632, out-dez, 2009.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
Biblioteca(s): Embrapa Semiárido. |
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20. | | MORAES, S. A. de; SALIBA, E. de O. S.; NEIVA, J. N. M.; BORGES, I.; MIRANDA, P. de A. B. Balanço nitrogenado de caprinos alimentados com dietas contendo subproduto de urucum (Bixa orellana L.). In: CONGRESSO NORDESTINO DE PRODUÇÃO ANIMAL, 5.; SIMPÓSIO NORDESTINO DE ALIMENTAÇÃO DE RUMINANTES, 11.; SIMPÓSIO SERGIPANO DE PRODUÇÃO ANIMAL, 1., 2008, Aracaju. Anais... Aracaju: Sociedade Nordestina de Produção Animal; Embrapa Tabuleiros Costeiros, 2008. 1 CD-ROM.Tipo: Artigo em Anais de Congresso / Nota Técnica |
Biblioteca(s): Embrapa Semiárido. |
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Registros recuperados : 106 | |
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