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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
16/08/2021 |
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Data da última atualização: |
15/09/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MORAES, C. T. de; MORENZ, M. J. F.; GOMIDE, C. A. de M.; PACIULLO, D. S. C.; LOPES, F. C. F. |
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Afiliação: |
CONRADO TRIGO DE MORAES, Universidade Federal de Viçosa; MIRTON JOSE FROTA MORENZ, CNPGL; CARLOS AUGUSTO DE MIRANDA GOMIDE, CNPGL; DOMINGOS SAVIO CAMPOS PACIULLO, CNPGL; FERNANDO CESAR FERRAZ LOPES, CNPGL. |
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Título: |
Performance of crossbred Holstein x Gyr dairy cows, with and without energy supplementation, in BRS Kurumi elephant grass pastures. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Semina. Ciências Agrárias, v. 42, n. 4, p. 2555-2568, jul./ago. 2021. |
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DOI: |
https://doi.org/10.5433/1679-0359.2021v42n4p2555 |
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Idioma: |
Inglês |
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Conteúdo: |
This study evaluated the effect of energy supplementation with ground corn on the performance of crossbred dairy cows in BRS Kurumi elephant grass pastures managed under rotational stocking during the rainy season. Six Holstein × Gyr cows were used, with average milk production, body weight, body condition score, and days in milk of 18.0±2.89 kg day−1, 560±66 kg, 2.50±0.21, and 99±12, respectively. The experimental design used was the complete reversion (switchback), and the evaluations were conducted over three grazing cycles, with adaptation periods of 14 days and six days of sample collection. The concentrate supplement (ground corn) was supplied twice a day, at a rate of 2 kg cow−1 day−1 in the morning and 1 kg cow−1 day−1 in the afternoon (as-fed basis). A reduction of 23.4% was observed in the pasture dry matter (DM) intake (PDMI) in cows that received energy supplementation, which corresponds to 2.96 kg day-1 less of PDMI when compared to the group without supplementation. This corresponds to a substitution rate of 1.1 kg of pasture per kg of concentrate consumed (DM basis), which reduced the intake (kg cow−1 day−1) of neutral detergent fiber and crude protein by 18.9% and 13.9% in the cows that received ground corn. There were increases of 11.8%, 9.0%, and 10.1%, respectively, in the milk yield, the 3.5% fat-corrected milk yield, and the energy-corrected milk yield of the cows that received ground corn. The response to supplementation in kg of milk per kg of DM of concentrate consumed was 0.57, and the milk contents of fat, protein, and lactose did not differ between treatments. The energy supplementation with 3 kg cow−1 day−1 of ground corn resulted in an increase of 11.8% in the milk yield of Holstein × Gyr dairy cows grazed on BRS Kurumi elephant grass, as well as promoted increases in the daily protein, lactose, and total solids yields. In addition, the provision of 3 kg day−1 of ground corn for lactating cows grazing on BRS Kurumi increased the efficiency in the use of dietary nitrogen. MenosThis study evaluated the effect of energy supplementation with ground corn on the performance of crossbred dairy cows in BRS Kurumi elephant grass pastures managed under rotational stocking during the rainy season. Six Holstein × Gyr cows were used, with average milk production, body weight, body condition score, and days in milk of 18.0±2.89 kg day−1, 560±66 kg, 2.50±0.21, and 99±12, respectively. The experimental design used was the complete reversion (switchback), and the evaluations were conducted over three grazing cycles, with adaptation periods of 14 days and six days of sample collection. The concentrate supplement (ground corn) was supplied twice a day, at a rate of 2 kg cow−1 day−1 in the morning and 1 kg cow−1 day−1 in the afternoon (as-fed basis). A reduction of 23.4% was observed in the pasture dry matter (DM) intake (PDMI) in cows that received energy supplementation, which corresponds to 2.96 kg day-1 less of PDMI when compared to the group without supplementation. This corresponds to a substitution rate of 1.1 kg of pasture per kg of concentrate consumed (DM basis), which reduced the intake (kg cow−1 day−1) of neutral detergent fiber and crude protein by 18.9% and 13.9% in the cows that received ground corn. There were increases of 11.8%, 9.0%, and 10.1%, respectively, in the milk yield, the 3.5% fat-corrected milk yield, and the energy-corrected milk yield of the cows that received ground corn. The response to supple... Mostrar Tudo |
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Palavras-Chave: |
Rotational stocking; Tropical forage. |
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Thesagro: |
Bovino; Capim Elefante; Gado Gir; Gado Holandês; Gado Leiteiro; Pennisetum Purpureum. |
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Thesaurus Nal: |
Crude protein; Dry matter intake; Milk production. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225196/1/Performance-crossbred.pdf
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Marc: |
LEADER 03099naa a2200313 a 4500
001 2133588
005 2021-09-15
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.5433/1679-0359.2021v42n4p2555$2DOI
100 1 $aMORAES, C. T. de
245 $aPerformance of crossbred Holstein x Gyr dairy cows, with and without energy supplementation, in BRS Kurumi elephant grass pastures.$h[electronic resource]
260 $c2021
520 $aThis study evaluated the effect of energy supplementation with ground corn on the performance of crossbred dairy cows in BRS Kurumi elephant grass pastures managed under rotational stocking during the rainy season. Six Holstein × Gyr cows were used, with average milk production, body weight, body condition score, and days in milk of 18.0±2.89 kg day−1, 560±66 kg, 2.50±0.21, and 99±12, respectively. The experimental design used was the complete reversion (switchback), and the evaluations were conducted over three grazing cycles, with adaptation periods of 14 days and six days of sample collection. The concentrate supplement (ground corn) was supplied twice a day, at a rate of 2 kg cow−1 day−1 in the morning and 1 kg cow−1 day−1 in the afternoon (as-fed basis). A reduction of 23.4% was observed in the pasture dry matter (DM) intake (PDMI) in cows that received energy supplementation, which corresponds to 2.96 kg day-1 less of PDMI when compared to the group without supplementation. This corresponds to a substitution rate of 1.1 kg of pasture per kg of concentrate consumed (DM basis), which reduced the intake (kg cow−1 day−1) of neutral detergent fiber and crude protein by 18.9% and 13.9% in the cows that received ground corn. There were increases of 11.8%, 9.0%, and 10.1%, respectively, in the milk yield, the 3.5% fat-corrected milk yield, and the energy-corrected milk yield of the cows that received ground corn. The response to supplementation in kg of milk per kg of DM of concentrate consumed was 0.57, and the milk contents of fat, protein, and lactose did not differ between treatments. The energy supplementation with 3 kg cow−1 day−1 of ground corn resulted in an increase of 11.8% in the milk yield of Holstein × Gyr dairy cows grazed on BRS Kurumi elephant grass, as well as promoted increases in the daily protein, lactose, and total solids yields. In addition, the provision of 3 kg day−1 of ground corn for lactating cows grazing on BRS Kurumi increased the efficiency in the use of dietary nitrogen.
650 $aCrude protein
650 $aDry matter intake
650 $aMilk production
650 $aBovino
650 $aCapim Elefante
650 $aGado Gir
650 $aGado Holandês
650 $aGado Leiteiro
650 $aPennisetum Purpureum
653 $aRotational stocking
653 $aTropical forage
700 1 $aMORENZ, M. J. F.
700 1 $aGOMIDE, C. A. de M.
700 1 $aPACIULLO, D. S. C.
700 1 $aLOPES, F. C. F.
773 $tSemina. Ciências Agrárias$gv. 42, n. 4, p. 2555-2568, jul./ago. 2021.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
11/12/2009 |
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Data da última atualização: |
11/12/2009 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
AUER, C. G.; SANTOS, A. F. dos. |
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Afiliação: |
CELSO GARCIA AUER, CNPF; ALVARO FIGUEREDO DOS SANTOS, CNPF. |
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Título: |
Ocorrência de mancha de Kirramyces em Eucalyptus benthamii na Região Sul do Brasil. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Summa Phytopathologica, Botucatu, v. 35, fev. 2009. |
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Idioma: |
Português |
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Notas: |
Resumo 084. SuplementoEdição dos Resumos do XXXII Congresso Paulista de Fitopatologia; IV Reunião Brasileira sobre Indução de Resistência em Plantas a Patógenos, São Pedro, fev. 2009. |
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Thesagro: |
Doença; Eucalipto. |
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Thesaurus NAL: |
Eucalyptus benthamii. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00670naa a2200169 a 4500
001 1577747
005 2009-12-11
008 2009 bl --- 0-- u #d
100 1 $aAUER, C. G.
245 $aOcorrência de mancha de Kirramyces em Eucalyptus benthamii na Região Sul do Brasil.
260 $c2009
500 $aResumo 084. SuplementoEdição dos Resumos do XXXII Congresso Paulista de Fitopatologia; IV Reunião Brasileira sobre Indução de Resistência em Plantas a Patógenos, São Pedro, fev. 2009.
650 $aEucalyptus benthamii
650 $aDoença
650 $aEucalipto
700 1 $aSANTOS, A. F. dos
773 $tSumma Phytopathologica, Botucatu$gv. 35, fev. 2009.
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Embrapa Florestas (CNPF) |
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