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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
03/04/2017 |
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Data da última atualização: |
16/05/2017 |
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Autoria: |
FERRAZ, P. F. P.; YANAGI JUNIOR, T.; LIMA, R. R. de; FERRAZ, G. A. e S.; XIN, H. |
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Afiliação: |
PATRÍCIA FERREIRA PONCIANO FERRAZ, UFLA; TADAYUKI YANAGI JUNIOR, UFLA; RENATO RIBEIRO DE LIMA, UFLA; GABRIEL ARAÚJO E SILVA FERRAZ, UFLA; HONGWEI XIN, Iowa State University. |
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Título: |
Performance of chicks subjected to thermal challenge. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 52, n. 2, p. 113-120, fev. 2017. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Desempenho de pintinhos submetidos a estresse térmico. |
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Conteúdo: |
The objective of this work was to evaluate the effect of thermal challenge at different intensities and durations on the production responses of 3 to 21-day-old broiler chickens. Two hundred and ten Cobb chicks were subjected to dry-bulb temperatures (tdb) of 27, 30, 33, or 36°C for the duration of 0, 1, 2, 3, or 4 days from the second day of life onwards. The experiment was carried out in four identical environmentallycontrolled wind tunnels. Data on body mass (BM), feed intake (FI), and water intake (WI), all in grams, were monitored daily; and body weight gain (BWG), in grams, and feed conversion (FC) were also calculated. The effect of duration was not statistically significant. Empirical models were adjusted to relate BM, FI, and WI with tdb and bird age. The performance of chicks at 21 days of age was analyzed using the BM, FI, WI, BWG, and FC values. Overall, the development of chicks at 33 and 36°C was better than that of those subjected to the lower tdb of 30 and 27°C. The exposure of chicks to cold thermal challenge in early life can have a carry-over negative effect on their production performance up to 21 days of age. |
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Palavras-Chave: |
Carry-over effect; Estresse térmico; Production responses; Resposta produtiva; Temperatura do ar. |
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Thesagro: |
Efeito residual; Frango. |
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Thesaurus Nal: |
Air temperature; Broiler chickens; Thermal stress. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/158540/1/Performance-of-chicks-subjected.pdf
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Marc: |
LEADER 02059naa a2200301 a 4500
001 2068052
005 2017-05-16
008 2017 bl uuuu u00u1 u #d
100 1 $aFERRAZ, P. F. P.
245 $aPerformance of chicks subjected to thermal challenge.
260 $c2017
500 $aTítulo em português: Desempenho de pintinhos submetidos a estresse térmico.
520 $aThe objective of this work was to evaluate the effect of thermal challenge at different intensities and durations on the production responses of 3 to 21-day-old broiler chickens. Two hundred and ten Cobb chicks were subjected to dry-bulb temperatures (tdb) of 27, 30, 33, or 36°C for the duration of 0, 1, 2, 3, or 4 days from the second day of life onwards. The experiment was carried out in four identical environmentallycontrolled wind tunnels. Data on body mass (BM), feed intake (FI), and water intake (WI), all in grams, were monitored daily; and body weight gain (BWG), in grams, and feed conversion (FC) were also calculated. The effect of duration was not statistically significant. Empirical models were adjusted to relate BM, FI, and WI with tdb and bird age. The performance of chicks at 21 days of age was analyzed using the BM, FI, WI, BWG, and FC values. Overall, the development of chicks at 33 and 36°C was better than that of those subjected to the lower tdb of 30 and 27°C. The exposure of chicks to cold thermal challenge in early life can have a carry-over negative effect on their production performance up to 21 days of age.
650 $aAir temperature
650 $aBroiler chickens
650 $aThermal stress
650 $aEfeito residual
650 $aFrango
653 $aCarry-over effect
653 $aEstresse térmico
653 $aProduction responses
653 $aResposta produtiva
653 $aTemperatura do ar
700 1 $aYANAGI JUNIOR, T.
700 1 $aLIMA, R. R. de
700 1 $aFERRAZ, G. A. e S.
700 1 $aXIN, H.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 52, n. 2, p. 113-120, fev. 2017.
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Embrapa Unidades Centrais (AI-SEDE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Hortaliças. Para informações adicionais entre em contato com cnph.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
27/09/2019 |
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Data da última atualização: |
27/09/2019 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
PEREIRA, D. G.; BOITEUX, L. S.; CARVALHO, R. C. P.; MELO, F. L. |
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Afiliação: |
DÉBORA GONÇALVES PEREIRA, UNIVERSIDADE DE BRASÍLIA; LEONARDO SILVA BOITEUX, CNPH; RITA DE CASSIA PEREIA CARVALHO, UNIVERSIDADE DE BRASÍLIA; FERNANDO LUCAS MELO, UNIVERSIDADE DE BRASÍLIA. |
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Título: |
Molecular characteriation of new mycoviruses infecting Mycosphaerella eumusae. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 51., 2019, Recife. Anais... Brasília, DF: Sociedade Brasileira de Fitopatologia, 2019. |
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Páginas: |
p. 811. |
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Idioma: |
Inglês |
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Notas: |
Resumo. |
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Thesaurus NAL: |
Mycoviruses; Transcriptome. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00617nam a2200181 a 4500
001 2112552
005 2019-09-27
008 2019 bl uuuu u00u1 u #d
100 1 $aPEREIRA, D. G.
245 $aMolecular characteriation of new mycoviruses infecting Mycosphaerella eumusae.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 51., 2019, Recife. Anais... Brasília, DF: Sociedade Brasileira de Fitopatologia$c2019
300 $ap. 811.
500 $aResumo.
650 $aMycoviruses
650 $aTranscriptome
700 1 $aBOITEUX, L. S.
700 1 $aCARVALHO, R. C. P.
700 1 $aMELO, F. L.
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