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| 2. |  | MATIAS, F. I.; MEIRELES, K. G. X.; NAGAMATSU, S. T.; BARRIOS, S. C. L.; VALE, C. B. do; CARAZZOLLE, M. F.; FRITSCHE-NETO, R.; ENDELMAN, J. B. Expected Genotype Quality and Diploidized Marker Data from Genotyping-by-Sequencing of Urocholoa spp. Tetraploids. The Plant Genome, v. 12, n. 3, november 2019.| Biblioteca(s): Embrapa Gado de Corte. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
24/04/2019 |
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Data da última atualização: |
24/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SANTOS, G. B. DOS; BRANDÃO, F. Z.; RIBEIRO, L. DOS S.; FERREIRA, A. L.; CAMPOS, M. M.; MACHADO, F. S.; CARVALHO, B. C. de. |
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Afiliação: |
Gustavo Bervian dos Santos, UFF; Felipe Zandonadi Brandão, UFF; Lilian dos Santos Ribeiro, UFF; Alexandre Lima Ferreira, UFF; MARIANA MAGALHAES CAMPOS, CNPGL; FERNANDA SAMARINI MACHADO, CNPGL; BRUNO CAMPOS DE CARVALHO, CNPGL. |
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Título: |
Milk production and composition, food consumption, and energy balance of postpartum crossbred Holstein-Gir dairy cows fed two diets of different energy levels. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Tropical Animal Health and Production, v. 51, p. 65-71, 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate the production, consumption, and energy balance parameters of primiparous 3/4 and 7/8 Holstein × Gir (HG) dairy cows fed two diets of differing energy levels during the postpartum period. At the beginning of the study, 28 days prepartum, the average weight of both genetic groups was 498 ± 12 kg and body condition score (BCS) was 3.5 ± 0.05. At the end of the study, 61 days postpartum, the 3/4 HG cows had higher weight and body condition scores than the 7/8 HG (456 ± 8 and 429 ± 8 kg and 3.13 ± 0.03 and 2.94 ± 0.03 BCS for 3/4 HG and 7/8 HG, respectively). Milk from cows fed the highenergy diet had higher percentages of fat, protein, lactose, and total dry extract than cows fed the low-energy diet. Cows fed the high-energy diet had higher net energy intake (95.3 ± 1.9 vs. 88.1 ± 2.1 MJ/day) and higher energy balance (3.64 ± 2.13 vs − 6.02 ± 2.30 MJ/day). The 3/4 HG cows displayed higher energy for maintenance (33.1 ± 0.4 MJ/day) than the 7/8 HG (31.5 ± 0.5 MJ /day). In conclusion, although the primiparous 3/4 HG were heavier than the 7/8 HG and had a higher body condition score, no differences in milk produced up to 60 days postpartum were observed. The higher energy diet during the postpartum period increased energy balance, resulting in higher production of milk fat, protein, and lactose. |
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Palavras-Chave: |
Energy consumption; Primiparous. |
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Thesaurus NAL: |
Dairy cattle; Girolando; Milk composition. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02190naa a2200253 a 4500
001 2108475
005 2023-01-24
008 2019 bl uuuu u00u1 u #d
100 1 $aSANTOS, G. B. DOS
245 $aMilk production and composition, food consumption, and energy balance of postpartum crossbred Holstein-Gir dairy cows fed two diets of different energy levels.$h[electronic resource]
260 $c2019
520 $aThe objective of this study was to evaluate the production, consumption, and energy balance parameters of primiparous 3/4 and 7/8 Holstein × Gir (HG) dairy cows fed two diets of differing energy levels during the postpartum period. At the beginning of the study, 28 days prepartum, the average weight of both genetic groups was 498 ± 12 kg and body condition score (BCS) was 3.5 ± 0.05. At the end of the study, 61 days postpartum, the 3/4 HG cows had higher weight and body condition scores than the 7/8 HG (456 ± 8 and 429 ± 8 kg and 3.13 ± 0.03 and 2.94 ± 0.03 BCS for 3/4 HG and 7/8 HG, respectively). Milk from cows fed the highenergy diet had higher percentages of fat, protein, lactose, and total dry extract than cows fed the low-energy diet. Cows fed the high-energy diet had higher net energy intake (95.3 ± 1.9 vs. 88.1 ± 2.1 MJ/day) and higher energy balance (3.64 ± 2.13 vs − 6.02 ± 2.30 MJ/day). The 3/4 HG cows displayed higher energy for maintenance (33.1 ± 0.4 MJ/day) than the 7/8 HG (31.5 ± 0.5 MJ /day). In conclusion, although the primiparous 3/4 HG were heavier than the 7/8 HG and had a higher body condition score, no differences in milk produced up to 60 days postpartum were observed. The higher energy diet during the postpartum period increased energy balance, resulting in higher production of milk fat, protein, and lactose.
650 $aDairy cattle
650 $aGirolando
650 $aMilk composition
653 $aEnergy consumption
653 $aPrimiparous
700 1 $aBRANDÃO, F. Z.
700 1 $aRIBEIRO, L. DOS S.
700 1 $aFERREIRA, A. L.
700 1 $aCAMPOS, M. M.
700 1 $aMACHADO, F. S.
700 1 $aCARVALHO, B. C. de
773 $tTropical Animal Health and Production$gv. 51, p. 65-71, 2019.
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