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Registro Completo |
Biblioteca(s): |
Embrapa Cocais; Embrapa Soja. |
Data corrente: |
21/03/2012 |
Data da última atualização: |
04/06/2014 |
Autoria: |
PAGHI, I. D. (coord.). |
Afiliação: |
IVAN DOMINGOS PAGHI. |
Título: |
Sistema de produção [de] soja não geneticamente modificada: princípios e critérios para a produção segura. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
Londrina: ABRANGE, 2011. |
Páginas: |
34 p. |
Descrição Física: |
il.; color. |
Idioma: |
Português |
Notas: |
Cartilha. Programa Soja Livre. |
Conteúdo: |
Termos e definições. Requisitos para o sistema de produção de soja não geneticamente modificada. Registros e controles. Detecção de transgenia nas sementes de soja. Procedimentos abordados. Histórico da área. Limpeza da área de plantio. Aquisição de sementes não-GM. Transporte e armazenagem das sementes. Equipamentos. Plantadeiras. Plantio. Inspeção e controle frequente da lavoura. Colheitadeira. Colheita. Transporte interno e externo. Armazenagem. |
Palavras-Chave: |
Soja convencional; Soja livre. |
Thesagro: |
Produção agrícola; Soja. |
Thesaurus Nal: |
Agriculture; Soybeans. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 01059nam a2200205 a 4500 001 1987614 005 2014-06-04 008 2011 bl uuuu u0uu1 u #d 100 1 $aPAGHI, I. D. 245 $aSistema de produção [de] soja não geneticamente modificada$bprincípios e critérios para a produção segura. 260 $aLondrina: ABRANGE$c2011 300 $a34 p.$cil.; color. 500 $aCartilha. Programa Soja Livre. 520 $aTermos e definições. Requisitos para o sistema de produção de soja não geneticamente modificada. Registros e controles. Detecção de transgenia nas sementes de soja. Procedimentos abordados. Histórico da área. Limpeza da área de plantio. Aquisição de sementes não-GM. Transporte e armazenagem das sementes. Equipamentos. Plantadeiras. Plantio. Inspeção e controle frequente da lavoura. Colheitadeira. Colheita. Transporte interno e externo. Armazenagem. 650 $aAgriculture 650 $aSoybeans 650 $aProdução agrícola 650 $aSoja 653 $aSoja convencional 653 $aSoja livre
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Embrapa Cocais (CPACP) |
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Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
12/08/2021 |
Data da última atualização: |
12/08/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SGUIZZATO, A. L. L.; MARCONDES, M. I.; DIJKSTRA, J.; VALADARES FILHO, S. de C.; CAMPOS, M. M.; MACHADO, F. S.; SILVA, B. C.; ROTTA, P. P. |
Afiliação: |
ANNA LUIZA LACERDA SGUIZZATO, Universidade Federal de Viçosa; MARCOS INÁCIO MARCONDES, Universidade Federal de Viçosa; JAN DIJKSTRAI, Wageningen University; SEBASTIÃO DE CAMPOS VALADARES FILHO, Universidade Federal de Viçosa; MARIANA MAGALHAES CAMPOS, CNPGL; FERNANDA SAMARINI MACHADO, CNPGL; BRENO CASTRO SILVA, Universidade Federal de Viçosa; POLYANA PIZZI ROTTA, Universidade Federal de Viçosa. |
Título: |
Energy requirements for pregnant dairy cows. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
PLoS One, v. 15, n. 7, e0235619, 2020. |
DOI: |
https://doi.org/ 10.1371/journal.pone.0235619 |
Idioma: |
Inglês |
Conteúdo: |
This study aimed to estimate energy requirements of pregnant Holstein × Gyr cows. Different planes of nutrition were established by two feeding regimens: ad libitum or maintenance. Sixty-two nonlactating cows with average body weight of 480 ± 10.1 kg and an age of 5 ± 0.5 years were used. Cows were divided into three groups: pregnant (n = 44), non-pregnant (n=12), and baseline reference (n = 6). The 56 pregnant and non-pregnant cows were randomly allocated into a feeding regimen: ad libitum or maintenance. To evaluate the effects of days of pregnancy, pregnant and non-pregnant animals were slaughtered at 140, 200, 240, and 270 days of pregnancy. Energy requirements for maintenance differed between pregnant and non-pregnant cows, thus two equations were developed. Net energy and metabolizable energy requirements for maintenance of non-pregnant cows were 82 kcal/kg empty body weight0.75/day and 132 kcal/kg empty body weight0.75/day, respectively. The efficiency of use of metabolizable energy for maintenance of non-pregnant cows was 62.4%. Net energy and metabolizable energy for maintenance of pregnant cows were 86 kcal/kg empty body weight0.75/day and 137 kcal/kg empty body weight0.75/day, respectively. Efficiency of use of metabolizable energy for maintenance of pregnant cows was 62.5%. The efficiency of use of metabolizable energy for gain was 41.9%. The efficiency of use of metabolizable energy for pregnancy was 14.1%. Furthermore, net energy requirement for pregnancy was different from zero from day 70 of pregnancy onwards. In conclusion, net energy and metabolizable energy requirements for maintenance of non-pregnant cows are different from pregnant cows. Furthermore, we believe that the proposed non-linear equations to estimate net energy requirements for pregnancy are more adequate than current NRC equation, and should be recommended for Holstein × Gyr cows. MenosThis study aimed to estimate energy requirements of pregnant Holstein × Gyr cows. Different planes of nutrition were established by two feeding regimens: ad libitum or maintenance. Sixty-two nonlactating cows with average body weight of 480 ± 10.1 kg and an age of 5 ± 0.5 years were used. Cows were divided into three groups: pregnant (n = 44), non-pregnant (n=12), and baseline reference (n = 6). The 56 pregnant and non-pregnant cows were randomly allocated into a feeding regimen: ad libitum or maintenance. To evaluate the effects of days of pregnancy, pregnant and non-pregnant animals were slaughtered at 140, 200, 240, and 270 days of pregnancy. Energy requirements for maintenance differed between pregnant and non-pregnant cows, thus two equations were developed. Net energy and metabolizable energy requirements for maintenance of non-pregnant cows were 82 kcal/kg empty body weight0.75/day and 132 kcal/kg empty body weight0.75/day, respectively. The efficiency of use of metabolizable energy for maintenance of non-pregnant cows was 62.4%. Net energy and metabolizable energy for maintenance of pregnant cows were 86 kcal/kg empty body weight0.75/day and 137 kcal/kg empty body weight0.75/day, respectively. Efficiency of use of metabolizable energy for maintenance of pregnant cows was 62.5%. The efficiency of use of metabolizable energy for gain was 41.9%. The efficiency of use of metabolizable energy for pregnancy was 14.1%. Furthermore, net energy requirement for pregnancy was d... Mostrar Tudo |
Thesagro: |
Gado Leiteiro. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225095/1/Energy-requirements.pdf
|
Marc: |
LEADER 02554naa a2200229 a 4500 001 2133488 005 2021-08-12 008 2020 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/ 10.1371/journal.pone.0235619$2DOI 100 1 $aSGUIZZATO, A. L. L. 245 $aEnergy requirements for pregnant dairy cows.$h[electronic resource] 260 $c2020 520 $aThis study aimed to estimate energy requirements of pregnant Holstein × Gyr cows. Different planes of nutrition were established by two feeding regimens: ad libitum or maintenance. Sixty-two nonlactating cows with average body weight of 480 ± 10.1 kg and an age of 5 ± 0.5 years were used. Cows were divided into three groups: pregnant (n = 44), non-pregnant (n=12), and baseline reference (n = 6). The 56 pregnant and non-pregnant cows were randomly allocated into a feeding regimen: ad libitum or maintenance. To evaluate the effects of days of pregnancy, pregnant and non-pregnant animals were slaughtered at 140, 200, 240, and 270 days of pregnancy. Energy requirements for maintenance differed between pregnant and non-pregnant cows, thus two equations were developed. Net energy and metabolizable energy requirements for maintenance of non-pregnant cows were 82 kcal/kg empty body weight0.75/day and 132 kcal/kg empty body weight0.75/day, respectively. The efficiency of use of metabolizable energy for maintenance of non-pregnant cows was 62.4%. Net energy and metabolizable energy for maintenance of pregnant cows were 86 kcal/kg empty body weight0.75/day and 137 kcal/kg empty body weight0.75/day, respectively. Efficiency of use of metabolizable energy for maintenance of pregnant cows was 62.5%. The efficiency of use of metabolizable energy for gain was 41.9%. The efficiency of use of metabolizable energy for pregnancy was 14.1%. Furthermore, net energy requirement for pregnancy was different from zero from day 70 of pregnancy onwards. In conclusion, net energy and metabolizable energy requirements for maintenance of non-pregnant cows are different from pregnant cows. Furthermore, we believe that the proposed non-linear equations to estimate net energy requirements for pregnancy are more adequate than current NRC equation, and should be recommended for Holstein × Gyr cows. 650 $aGado Leiteiro 700 1 $aMARCONDES, M. I. 700 1 $aDIJKSTRA, J. 700 1 $aVALADARES FILHO, S. de C. 700 1 $aCAMPOS, M. M. 700 1 $aMACHADO, F. S. 700 1 $aSILVA, B. C. 700 1 $aROTTA, P. P. 773 $tPLoS One$gv. 15, n. 7, e0235619, 2020.
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