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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
09/12/2019 |
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Data da última atualização: |
10/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVEIRA, R. M. F.; SILVA, B. E. B. e; VASCONCELOS, A. M. de; FAÇANHA, D. A. E.; MARTINS, T. P.; ROGERIO, M. C. P.; FERREIRA, J. |
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Afiliação: |
ROBSON MATEUS FREITAS SILVEIRA; BENEDITA ELIOMARA BRITO E SILVA; ANGELA MARIA DE VASCONCELOS; DÉBORA ANDRÉA EVANGELISTA FAÇANHA; THAYS PAULINA MARTINS; MARCOS CLAUDIO PINHEIRO ROGERIO, CNPC; JOSIEL FERREIRA. |
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Título: |
Does organic selenium supplement affect the thermoregulatory responses of dairy goats? |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Biological Rhythm Research, May, 2019. |
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DOI: |
https://doi.org/10.1080/09291016.2019.1607988 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: This study aimed to evaluate the influence of dietary supplementation of organic selenium (Se) in non-lactating goats, as well as possible changes in the physiological responses of thermoregulation and in blood constituents under semiarid conditions. The study was undertaken for 42 consecutive days using 22 animals. Data were collected: (1) meteorological, (2) physiological and (3) haematological. The respiratory rate, rectal temperature, epidermis temperature and surface temperature of the pelt presented decreasing values from day zero to the 42nd day of evaluation, with the highest reduction in animals supplemented with Se. For haematological values, it was observed that the values of packet cell volume and mean corpuscular volume decreased significantly (p < 0.05) on the 42nd day of the experiment. For the animals that received dietary supplementation, it is possible to identify a greater association with factor 1, some haematological variables, and for factor 2, some physiological traits were also highlighted. The addition of Se in the diet reduced endogenous heat by reducing respiratory thermolysis and the superficial temperatures of the skin and epidermis, improving sensible and latent heat dissipation and keeping the rectal temperature within normal limits. |
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Palavras-Chave: |
Micromineral; Supplementation. |
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Thesaurus Nal: |
Animal adaptation; Animal feeding; Animal nutrition; Brazil; Dairy breeds; Dietary supplements; Feed supplements; Goats; Multivariate analysis; Semiarid zones. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02311naa a2200349 a 4500
001 2116417
005 2019-12-10
008 2019 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1080/09291016.2019.1607988$2DOI
100 1 $aSILVEIRA, R. M. F.
245 $aDoes organic selenium supplement affect the thermoregulatory responses of dairy goats?$h[electronic resource]
260 $c2019
520 $aAbstract: This study aimed to evaluate the influence of dietary supplementation of organic selenium (Se) in non-lactating goats, as well as possible changes in the physiological responses of thermoregulation and in blood constituents under semiarid conditions. The study was undertaken for 42 consecutive days using 22 animals. Data were collected: (1) meteorological, (2) physiological and (3) haematological. The respiratory rate, rectal temperature, epidermis temperature and surface temperature of the pelt presented decreasing values from day zero to the 42nd day of evaluation, with the highest reduction in animals supplemented with Se. For haematological values, it was observed that the values of packet cell volume and mean corpuscular volume decreased significantly (p < 0.05) on the 42nd day of the experiment. For the animals that received dietary supplementation, it is possible to identify a greater association with factor 1, some haematological variables, and for factor 2, some physiological traits were also highlighted. The addition of Se in the diet reduced endogenous heat by reducing respiratory thermolysis and the superficial temperatures of the skin and epidermis, improving sensible and latent heat dissipation and keeping the rectal temperature within normal limits.
650 $aAnimal adaptation
650 $aAnimal feeding
650 $aAnimal nutrition
650 $aBrazil
650 $aDairy breeds
650 $aDietary supplements
650 $aFeed supplements
650 $aGoats
650 $aMultivariate analysis
650 $aSemiarid zones
653 $aMicromineral
653 $aSupplementation
700 1 $aSILVA, B. E. B. e
700 1 $aVASCONCELOS, A. M. de
700 1 $aFAÇANHA, D. A. E.
700 1 $aMARTINS, T. P.
700 1 $aROGERIO, M. C. P.
700 1 $aFERREIRA, J.
773 $tBiological Rhythm Research, May, 2019.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Biblioteca |
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Origem |
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Classificação |
Cutter |
Registro |
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Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
04/09/2001 |
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Data da última atualização: |
10/12/2018 |
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Autoria: |
SANGOI, L.; ENDER, M.; GUIDOLIN, A. F.; ALMEIDA, M. L. de; KONFLANZ, V. A. |
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Afiliação: |
Luís Sangoi, Universidade do Estado de Santa Catarina - UDESC/Departamento de Fitotecnia; Márcio Ender, Universidade do Estado de Santa Catarina - UDESC/Departamento de Fitotecnia; Altamir Frederico Guidolin, Universidade do Estado de Santa Catarina - UDESC/Departamento de Fitotecnia; Milton Luiz de Almeida, Universidade Estadual de Santa Catarina - UDESC/Departamento de Fitotecnia. CNPq scholar; Valmor Antônio Konflanz, Universidade Estadual de Santa Catarina - UDESC/Departamento de Fitotecnia. CNPq scholar. |
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Título: |
Nitrogen fertilization impact on agronomic traits of maize hybrids released at different decades. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 36, n. 5, p. 757-64, maio 2001 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Impacto da fertilização nitrogenada sobre características agronômicas de híbridos de milho lançados em diferentes décadas. |
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Conteúdo: |
Genetic selection of maize hybrids is often conducted using high N rates during the breeding cycle. This procedure may either lead to the release of genotypes that present nitrogen luxury consumption or require a stronger N input to accomplish their yield potential. This work was carried out to evaluate the effects of N rates on grain yield and N use efficiency of hybrids cultivated in different decades in Southern Brazil. The trial was performed in Lages, Santa Catarina State. A split plot design was used. Hybrids Ag 12, Ag 28, Ag 303 and Ag 9012, released during the 60's, 70's, 80's and 90's, respectively, were evaluated in the main plots. Nitrogen rates equivalent to 0, 50, 100 and 200 kg ha-1 were side-dressed in the split-plots when each hybrid had six fully expanded leaves. Modern-day hybrid Ag 9012 had higher grain yield than hybrids of earlier eras, regardless of N rates. Under high doses of N, the older hybrids Ag 12 and Ag 28 took up more N and presented higher values of shoot dry matter at flowering than Ag 9012. Nonetheless, they set less grains per ear which contributed to decreasetheir grain yield and N use efficiency. |
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Palavras-Chave: |
Hibridos; Rendimento de cultura. |
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Thesagro: |
Absorção; Zea Mays. |
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Thesaurus NAL: |
absorption; crop yield; hybrids. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/19122/1/pab0757.pdf
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Marc: |
LEADER 02037naa a2200265 a 4500
001 1103890
005 2018-12-10
008 2001 bl uuuu u00u1 u #d
100 1 $aSANGOI, L.
245 $aNitrogen fertilization impact on agronomic traits of maize hybrids released at different decades.
260 $c2001
500 $aTítulo em português: Impacto da fertilização nitrogenada sobre características agronômicas de híbridos de milho lançados em diferentes décadas.
520 $aGenetic selection of maize hybrids is often conducted using high N rates during the breeding cycle. This procedure may either lead to the release of genotypes that present nitrogen luxury consumption or require a stronger N input to accomplish their yield potential. This work was carried out to evaluate the effects of N rates on grain yield and N use efficiency of hybrids cultivated in different decades in Southern Brazil. The trial was performed in Lages, Santa Catarina State. A split plot design was used. Hybrids Ag 12, Ag 28, Ag 303 and Ag 9012, released during the 60's, 70's, 80's and 90's, respectively, were evaluated in the main plots. Nitrogen rates equivalent to 0, 50, 100 and 200 kg ha-1 were side-dressed in the split-plots when each hybrid had six fully expanded leaves. Modern-day hybrid Ag 9012 had higher grain yield than hybrids of earlier eras, regardless of N rates. Under high doses of N, the older hybrids Ag 12 and Ag 28 took up more N and presented higher values of shoot dry matter at flowering than Ag 9012. Nonetheless, they set less grains per ear which contributed to decreasetheir grain yield and N use efficiency.
650 $aabsorption
650 $acrop yield
650 $ahybrids
650 $aAbsorção
650 $aZea Mays
653 $aHibridos
653 $aRendimento de cultura
700 1 $aENDER, M.
700 1 $aGUIDOLIN, A. F.
700 1 $aALMEIDA, M. L. de
700 1 $aKONFLANZ, V. A.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 36, n. 5, p. 757-64, maio 2001
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