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| 3. |  | FRANCO, M. M.; PELLEGRIN, A. O.; FIGUEIREDO, R. A.; GARCIA, A. R.; CAMARGO, L. S. A.; AZEVEDO, H. C.; VIANA, J. H. M. The innovation network in animal reproduction: EMBRAPA´s experience in organizing a research project on reproductive biotechnology. Acta Scientiae Veterinariae, v. 39, suppl 1, p. 135 - 138, 2011.| Biblioteca(s): Embrapa Pantanal; Embrapa Tabuleiros Costeiros. |
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| 4. | | MARTIN, K. D.; SAARIS, L.; XIN, W. G.; WANG, T.; PARKHURST, L. J.; KLUCAS, R. V. Kinetics and thermodynamics of oxygen, CO, and azide binding by the subcomponents of soybean leghemoglobin. J. Biol. Chem., v.265, n.32, p.19588-19593, 1990.| Biblioteca(s): Embrapa Agrobiologia. |
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| 20. | | BRAGA, N. R.; MASCARENHAS, H. A. A.; BULISANI, E. A.; VAN RAIJ, B.; FEITOSA, C. T.; HIROCE, R. Eficiencia agronomica de nove fosfatos em quatro cultivos consecutivos de soja. R. Bras. Ci. Solo, v.15, n.3, p.315-319, 1991.| Biblioteca(s): Embrapa Agrobiologia. |
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| Registros recuperados : 31 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
30/12/2019 |
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Data da última atualização: |
30/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
EUCLIDES, V. P. B.; MONTAGNER, D. B.; MACEDO, M. C. M.; ARAUJO, A. R. de; DIFANTE, G. S.; BARBOSA, R. A. |
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Afiliação: |
VALERIA PACHECO BATISTA EUCLIDES, CNPGC; DENISE BAPTAGLIN MONTAGNER, CNPGC; MANUEL CLAUDIO MOTTA MACEDO, CNPGC; ALEXANDRE ROMEIRO DE ARAUJO, CNPGC; Gelson S. Difante, Universidade Federal de Mato Grosso do Sul - UFMS; RODRIGO AMORIM BARBOSA, CNPGC. |
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Título: |
Grazing intensity affects forage accumulation and persistence of Marandu palisadegrass in the Brazilian savannah. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Grass and Forage Science, v. 74, n. 3, September 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
This 3?year study evaluated the effects of grazing intensity on herbage and steer responses in continuously stocked Brachiaria brizantha cv. Marandu pasture in the Brazilian savanna. Treatments consisted of three grazing intensity levels, characterized by canopy heights of 15, 30 and 45 cm, measured twice per week. Responses variables included tiller population density (TPD), herbage accumulation rate (HAR) and body weight gain per area (WGA). A decline in TPD (1,237 vs. 767 tillers/m2) was observed from the first to the third grazing years, which influenced the HAR from the first to the third years (90.1 vs. 52.4 kg ha?1 day?1). A marked decline in body WGA (541 vs. 276 kg ha?1 year?1) was observed along the three years in pastures managed at a height of 15 cm, indicating that this is an unstable condition for Marandu palisadegrass pasture. HAR was similar for pastures managed at 30 or 45 cm and was relatively stable during the experimental period, averaging 91.8 and 99.1 kg ha?1 day?1 respectively. Body WGA was similar and constant throughout the experimental period for pastures managed at 30 (596 kg ha?1 year?1) and 45 cm (566 kg ha?1 year?1). Maintaining continuously stocked Marandu palisadegrass pastures at a 15 cm canopy height should be avoided due to long?term decreases in plant persistence and animal body WGA, particularly when soil P is below critical levels at pasture establishment and during pasture utilization. |
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Palavras-Chave: |
Canopy structure; Herbage intake; Tiller population. |
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Thesaurus NAL: |
Grazing intensity; Nutritive value. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/207962/1/Grazing-intensity-affects-forage-accumulation-and-persistence.pdf
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Marc: |
LEADER 02191naa a2200241 a 4500
001 2117903
005 2019-12-30
008 2019 bl uuuu u00u1 u #d
100 1 $aEUCLIDES, V. P. B.
245 $aGrazing intensity affects forage accumulation and persistence of Marandu palisadegrass in the Brazilian savannah.$h[electronic resource]
260 $c2019
520 $aThis 3?year study evaluated the effects of grazing intensity on herbage and steer responses in continuously stocked Brachiaria brizantha cv. Marandu pasture in the Brazilian savanna. Treatments consisted of three grazing intensity levels, characterized by canopy heights of 15, 30 and 45 cm, measured twice per week. Responses variables included tiller population density (TPD), herbage accumulation rate (HAR) and body weight gain per area (WGA). A decline in TPD (1,237 vs. 767 tillers/m2) was observed from the first to the third grazing years, which influenced the HAR from the first to the third years (90.1 vs. 52.4 kg ha?1 day?1). A marked decline in body WGA (541 vs. 276 kg ha?1 year?1) was observed along the three years in pastures managed at a height of 15 cm, indicating that this is an unstable condition for Marandu palisadegrass pasture. HAR was similar for pastures managed at 30 or 45 cm and was relatively stable during the experimental period, averaging 91.8 and 99.1 kg ha?1 day?1 respectively. Body WGA was similar and constant throughout the experimental period for pastures managed at 30 (596 kg ha?1 year?1) and 45 cm (566 kg ha?1 year?1). Maintaining continuously stocked Marandu palisadegrass pastures at a 15 cm canopy height should be avoided due to long?term decreases in plant persistence and animal body WGA, particularly when soil P is below critical levels at pasture establishment and during pasture utilization.
650 $aGrazing intensity
650 $aNutritive value
653 $aCanopy structure
653 $aHerbage intake
653 $aTiller population
700 1 $aMONTAGNER, D. B.
700 1 $aMACEDO, M. C. M.
700 1 $aARAUJO, A. R. de
700 1 $aDIFANTE, G. S.
700 1 $aBARBOSA, R. A.
773 $tGrass and Forage Science$gv. 74, n. 3, September 2019.
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Embrapa Gado de Corte (CNPGC) |
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