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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
10/01/2010 |
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Data da última atualização: |
10/01/2010 |
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Autoria: |
BARNES, H. F.; ARNOLD, M. K. |
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Título: |
The susceptibility of some american wheats to the wheat blossom midges. |
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Ano de publicação: |
1960 |
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Fonte/Imprenta: |
Journal of the Kansas Entomological Society, v. 33, n. 4, p. 165-174, 1960. |
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Idioma: |
Inglês |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00383naa a2200121 a 4500
001 1828449
005 2010-01-10
008 1960 bl --- 0-- u #d
100 1 $aBARNES, H. F.
245 $aThe susceptibility of some american wheats to the wheat blossom midges.
260 $c1960
700 1 $aARNOLD, M. K.
773 $tJournal of the Kansas Entomological Society$gv. 33, n. 4, p. 165-174, 1960.
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Registro original: |
Embrapa Trigo (CNPT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
05/04/2006 |
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Data da última atualização: |
26/10/2009 |
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Autoria: |
BARIONI, L. G.; MARTHA JÚNIOR, G. B. |
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Título: |
Método para estimar o tamponamento nutricional para vacas de corte em sistemas pastoris. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Planaltina, DF: Embrapa Cerrados, 2003. |
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Páginas: |
4 p. |
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Série: |
(Embrapa Cerrados. Comunicado Técnico, 100). |
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Idioma: |
Português |
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Conteúdo: |
Planning forage needs in beef cattle enterprises is necessary for efficient utilization of genetic and environmental resources in pastoral systems and to generate economic benefits in an environmentally sound way. Production risk evaluation is essential in feed planning for cow-calf operations in pastoral systems. The proposed method to accomplish with production risk in these systems is based on the time biological system is maintained in an acceptable state under adverse climate conditions. This is coined "buffering time". The buffering time is calculated for both animals and pasture using an energetic approach. For cows, the buffering time is the minimum period the animal takes to reach the lowest acceptable body weight. for pasture, it is period for herbage mass to decrease to its mininum acceptable pasture buffering time indicated that increasing stocking rates put grazing systems at a higher risk. |
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Palavras-Chave: |
Bovinae. |
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Thesagro: |
Bovino; Gado de Corte; Modelo Matemático; Nutrição Animal; Pastejo; Planejamento; Risco. |
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Thesaurus NAL: |
animal production; beef cattle; grazing; mathematical models; planning; risk. |
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Categoria do assunto: |
-- |
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URL: |
https://www.infoteca.cnptia.embrapa.br/infoteca/bitstream/doc/569498/1/comtec100.pdf
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Marc: |
LEADER 01757nam a2200313 a 4500
001 1569498
005 2009-10-26
008 2003 bl uuuu u0uu1 u #d
100 1 $aBARIONI, L. G.
245 $aMétodo para estimar o tamponamento nutricional para vacas de corte em sistemas pastoris.
260 $aPlanaltina, DF: Embrapa Cerrados$c2003
300 $a4 p.
490 $a(Embrapa Cerrados. Comunicado Técnico, 100).
520 $aPlanning forage needs in beef cattle enterprises is necessary for efficient utilization of genetic and environmental resources in pastoral systems and to generate economic benefits in an environmentally sound way. Production risk evaluation is essential in feed planning for cow-calf operations in pastoral systems. The proposed method to accomplish with production risk in these systems is based on the time biological system is maintained in an acceptable state under adverse climate conditions. This is coined "buffering time". The buffering time is calculated for both animals and pasture using an energetic approach. For cows, the buffering time is the minimum period the animal takes to reach the lowest acceptable body weight. for pasture, it is period for herbage mass to decrease to its mininum acceptable pasture buffering time indicated that increasing stocking rates put grazing systems at a higher risk.
650 $aanimal production
650 $abeef cattle
650 $agrazing
650 $amathematical models
650 $aplanning
650 $arisk
650 $aBovino
650 $aGado de Corte
650 $aModelo Matemático
650 $aNutrição Animal
650 $aPastejo
650 $aPlanejamento
650 $aRisco
653 $aBovinae
700 1 $aMARTHA JÚNIOR, G. B.
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