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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
28/01/1998 |
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Data da última atualização: |
25/04/2023 |
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Autoria: |
ANDRADE, H.; BERNAL, G.; LLAMAS, G. |
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Título: |
Influence of different alfalfa:sorghum ratios in the diet of dairy goats on productivity and rumen turnover. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Small Ruminant Research, v. 21, n. 2, p. 77-82, Jun. 1996. |
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DOI: |
https://doi.org/10.1016/0921-4488(95)00821-7 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Four alfalfa:sorghum ratios in the diet were evaluated for changes in milk production and composition and rumen digesta turnover time of 12 mature rumen fistulated Nubian dairy goats, at 48 days postpartum. Animals were distributed according to a triplicated 4 × 4 Latin square design into four treatments of four alfalfa:sorghum ratios (80:20, 70:30, 60:40, and 50:50). These corresponded to four levels of NDF in the diet: 32%, 31%, 29%, and 28%. Rumen digesta turnover time was estimated by rumen emptying using lignin as an internal marker. No differences were found among alfalfa:sorghum ratios (P > 0.10) for mean DM intake (1.5 ± 0.05 kg), crude protein (0.24 ± 0.04 kg), NDF (0.48 ± 0.01 kg) and cellulose (0.19 ± 0.005 kg). Mean milk production (1.16 ± 0.05 kg) and milk fat percentage (4.38 ± 0.13%) did not differ (P > 0.05); however, 4% fat-corrected milk was slightly higher (P < 0.06) in the group receiving the 60:40 alfalfa:sorghum ratio, corresponding to 29% NDF in the diet (1.31 kg vs. 1.20 kg, 1.10 kg, and 1.23 kg for ratios 80:20, 70:30 and 50:50, respectively). Average rumen digesta turnover time did not differ (P > 0.10) among treatments (17.65 ± 1.85 h). Results suggest that productivity of dairy goats may be influenced by the forage:concentrate ratio offered, and probably by the NDF level of the diet. |
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Palavras-Chave: |
Concentrado; Concentrate ratio; FND; Neutral detergent fibre; Ruminal turnover; Taxa forragem; Turnover ruminal. |
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Thesagro: |
Caprino. |
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Thesaurus Nal: |
Dairy goats; Forage. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02183naa a2200277 a 4500
001 1523867
005 2023-04-25
008 1996 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/0921-4488(95)00821-7$2DOI
100 1 $aANDRADE, H.
245 $aInfluence of different alfalfa$bsorghum ratios in the diet of dairy goats on productivity and rumen turnover.$h[electronic resource]
260 $c1996
520 $aAbstract: Four alfalfa:sorghum ratios in the diet were evaluated for changes in milk production and composition and rumen digesta turnover time of 12 mature rumen fistulated Nubian dairy goats, at 48 days postpartum. Animals were distributed according to a triplicated 4 × 4 Latin square design into four treatments of four alfalfa:sorghum ratios (80:20, 70:30, 60:40, and 50:50). These corresponded to four levels of NDF in the diet: 32%, 31%, 29%, and 28%. Rumen digesta turnover time was estimated by rumen emptying using lignin as an internal marker. No differences were found among alfalfa:sorghum ratios (P > 0.10) for mean DM intake (1.5 ± 0.05 kg), crude protein (0.24 ± 0.04 kg), NDF (0.48 ± 0.01 kg) and cellulose (0.19 ± 0.005 kg). Mean milk production (1.16 ± 0.05 kg) and milk fat percentage (4.38 ± 0.13%) did not differ (P > 0.05); however, 4% fat-corrected milk was slightly higher (P < 0.06) in the group receiving the 60:40 alfalfa:sorghum ratio, corresponding to 29% NDF in the diet (1.31 kg vs. 1.20 kg, 1.10 kg, and 1.23 kg for ratios 80:20, 70:30 and 50:50, respectively). Average rumen digesta turnover time did not differ (P > 0.10) among treatments (17.65 ± 1.85 h). Results suggest that productivity of dairy goats may be influenced by the forage:concentrate ratio offered, and probably by the NDF level of the diet.
650 $aDairy goats
650 $aForage
650 $aCaprino
653 $aConcentrado
653 $aConcentrate ratio
653 $aFND
653 $aNeutral detergent fibre
653 $aRuminal turnover
653 $aTaxa forragem
653 $aTurnover ruminal
700 1 $aBERNAL, G.
700 1 $aLLAMAS, G.
773 $tSmall Ruminant Research$gv. 21, n. 2, p. 77-82, Jun. 1996.
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| 1. |  | PAVANELI, G.; SUOTA, M. J.; FREITAS, R. A. de; MAGALHAES, W. L. E.; RAMOS, L. P. Characterization of Eucalypt LignoBoost TM lignin for the production of lignin nanoparticles. Pesquisa Florestal Brasileira, Colombo, v. 39, (nesp), e201902043, 2019. p. 424. Edição especial dos resumos do IUFRO World Congress, 25., 2019, Curitiba.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 2. | | SUOTA, M. J.; KOCHEPKA, D. M.; MOURA, M. G. G.; PIRICH, C. L.; MATOS, M.; MAGALHAES, W. L. E.; RAMOS, L. P. Lignin functionalization strategies and the potential applications of its derivatives: a review. BioResources, v. 16, n. 3, p. 6471-6511, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Florestas. |
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