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Registro Completo |
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Biblioteca(s): |
Embrapa Acre. |
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Data corrente: |
26/06/2012 |
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Data da última atualização: |
06/07/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PORTO, M. O.; PAULINO, M. F.; VALADARES FILHO, S. de C.; DETMANN, E.; CAVALI, J.; SALES, M. F. L.; VALENTE, E. E. L.; COUTO, V. R. M. |
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Afiliação: |
MARLOS OLIVEIRA PORTO, UNIVERSIDADE FEDERAL DE RONDÔNIA; MÁRIO FONSECA PAULINO, UNIVERSIDADE FEDERAL DE VIÇOSA; SEBASTIÃO DE CAMPOS VALADARES FILHO, UNIVERSIDADE FEDERAL DE VIÇOSA; EDENIO DETMANN, UNIVERSIDADE FEDERAL DE VIÇOSA; JUCILENE CAVALI, UNIVERSIDADE FEDERAL DE RONDÔNIA; MAYKEL FRANKLIM LIMA SALES, CPAF-AC; ÉRITON EGIDIO LISBOA VALENTE, UNIVERSIDADE FEDERAL DE VIÇOSA; VICTOR REZENDE MOREIRA COUTO, UNIVERSIDADE FEDERAL DE VIÇOSA. |
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Título: |
Nutritional requirements of energy, protein and macrominerals for maintenance and weight gain of young crossbred Nellore × Holstein bulls on pasture. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, v. 41, n. 3, p. 734-745, 2012. |
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ISSN: |
1806-9290 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to estimate requirements of energy, protein and macrominerals of young Nellore/Holstein crossbreds bulls supplemented on pastures of Brachiaria decumbens Stapf. Thirty-five young bulls, at 8.53±0.18 months of age and with initial body weight of 230.6±6.1 kg were used. Ten animals were slaughtered as reference, in different weight range, and the other animals were slaughtered at the end of the experimental period. For estimate of net energy requirements for weight, a regression equation between log of retained energy (RE) and log of empty body weight gain (EBWG) was constructed. Net requirements of Ca, P, Mg, Na and K were determined by the equation Y' = a.b.Xb-1, in which a and b represent the intercept and the coefficient of equation of prediction of macrominerals in body content, respectively. Requirements of metabolizable energy for maintenance (MEm) were obtained from retained energy in function of metabolizable energy intake (MEI). The requirements of MEm of Nellore/Holstein crossbreds young bulls on pasture was 125 kcal/EBW0.75/day. The efficiency of ME utilization for maintenance (km) of grazing Nellore/Holstein crossbred young bulls was 0.58 and 0.24 for gain. The total metabolizable protein requirements for an animal with 400 kg and with average daily gain of 1.0 kg, were 638.36 g/day. The dietetic requirements of Ca and P for an animal with 400 kg BW were 0.49 and 0.21% of DM, respectively. Daily metabolizable energy requirement for maintenance of grazing Nellore/Holstein crossbred young bulls was 11.6% greater than the values found for cattle in feedlot in Brazil (112 kcal/kg EBW0.75). MenosThe objective of this study was to estimate requirements of energy, protein and macrominerals of young Nellore/Holstein crossbreds bulls supplemented on pastures of Brachiaria decumbens Stapf. Thirty-five young bulls, at 8.53±0.18 months of age and with initial body weight of 230.6±6.1 kg were used. Ten animals were slaughtered as reference, in different weight range, and the other animals were slaughtered at the end of the experimental period. For estimate of net energy requirements for weight, a regression equation between log of retained energy (RE) and log of empty body weight gain (EBWG) was constructed. Net requirements of Ca, P, Mg, Na and K were determined by the equation Y' = a.b.Xb-1, in which a and b represent the intercept and the coefficient of equation of prediction of macrominerals in body content, respectively. Requirements of metabolizable energy for maintenance (MEm) were obtained from retained energy in function of metabolizable energy intake (MEI). The requirements of MEm of Nellore/Holstein crossbreds young bulls on pasture was 125 kcal/EBW0.75/day. The efficiency of ME utilization for maintenance (km) of grazing Nellore/Holstein crossbred young bulls was 0.58 and 0.24 for gain. The total metabolizable protein requirements for an animal with 400 kg and with average daily gain of 1.0 kg, were 638.36 g/day. The dietetic requirements of Ca and P for an animal with 400 kg BW were 0.49 and 0.21% of DM, respectively. Daily metabolizable energy requirement for ... Mostrar Tudo |
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Palavras-Chave: |
Animales jóvenes; Aumento de peso; Fuentes energéticas dietéticas; Ganado de carne; Nelore x Holstein; Nutrición animal; Pastizales; Pastos forrajeros; Productos del cruzamiento; Proteína dietética; Raza de bovinos Nelore; Raza de ganado Holstein; Suplementos dietéticos minerales; Toros. |
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Thesagro: |
Bezerro mestiço; Brachiaria decumbens; Capim Brachiaria; Energia; Gado de corte; Gado Holandês; Gado Nelore; Ganho de peso; Gramínea forrageira; Nutrição animal; Nutriente mineral; Pastagem; Proteína; Suplemento mineral; Touro. |
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Thesaurus Nal: |
Animal nutrition; Beef cattle; Bulls; Crossbreds; Dietary energy sources; Dietary mineral supplements; Dietary protein; Forage grasses; Holstein; Nellore; Pastures; Weight gain; Young animals. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/61443/1/24298.pdf
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Marc: |
LEADER 03730naa a2200721 a 4500
001 1927192
005 2021-07-06
008 2012 bl uuuu u00u1 u #d
022 $a1806-9290
100 1 $aPORTO, M. O.
245 $aNutritional requirements of energy, protein and macrominerals for maintenance and weight gain of young crossbred Nellore × Holstein bulls on pasture.$h[electronic resource]
260 $c2012
520 $aThe objective of this study was to estimate requirements of energy, protein and macrominerals of young Nellore/Holstein crossbreds bulls supplemented on pastures of Brachiaria decumbens Stapf. Thirty-five young bulls, at 8.53±0.18 months of age and with initial body weight of 230.6±6.1 kg were used. Ten animals were slaughtered as reference, in different weight range, and the other animals were slaughtered at the end of the experimental period. For estimate of net energy requirements for weight, a regression equation between log of retained energy (RE) and log of empty body weight gain (EBWG) was constructed. Net requirements of Ca, P, Mg, Na and K were determined by the equation Y' = a.b.Xb-1, in which a and b represent the intercept and the coefficient of equation of prediction of macrominerals in body content, respectively. Requirements of metabolizable energy for maintenance (MEm) were obtained from retained energy in function of metabolizable energy intake (MEI). The requirements of MEm of Nellore/Holstein crossbreds young bulls on pasture was 125 kcal/EBW0.75/day. The efficiency of ME utilization for maintenance (km) of grazing Nellore/Holstein crossbred young bulls was 0.58 and 0.24 for gain. The total metabolizable protein requirements for an animal with 400 kg and with average daily gain of 1.0 kg, were 638.36 g/day. The dietetic requirements of Ca and P for an animal with 400 kg BW were 0.49 and 0.21% of DM, respectively. Daily metabolizable energy requirement for maintenance of grazing Nellore/Holstein crossbred young bulls was 11.6% greater than the values found for cattle in feedlot in Brazil (112 kcal/kg EBW0.75).
650 $aAnimal nutrition
650 $aBeef cattle
650 $aBulls
650 $aCrossbreds
650 $aDietary energy sources
650 $aDietary mineral supplements
650 $aDietary protein
650 $aForage grasses
650 $aHolstein
650 $aNellore
650 $aPastures
650 $aWeight gain
650 $aYoung animals
650 $aBezerro mestiço
650 $aBrachiaria decumbens
650 $aCapim Brachiaria
650 $aEnergia
650 $aGado de corte
650 $aGado Holandês
650 $aGado Nelore
650 $aGanho de peso
650 $aGramínea forrageira
650 $aNutrição animal
650 $aNutriente mineral
650 $aPastagem
650 $aProteína
650 $aSuplemento mineral
650 $aTouro
653 $aAnimales jóvenes
653 $aAumento de peso
653 $aFuentes energéticas dietéticas
653 $aGanado de carne
653 $aNelore x Holstein
653 $aNutrición animal
653 $aPastizales
653 $aPastos forrajeros
653 $aProductos del cruzamiento
653 $aProteína dietética
653 $aRaza de bovinos Nelore
653 $aRaza de ganado Holstein
653 $aSuplementos dietéticos minerales
653 $aToros
700 1 $aPAULINO, M. F.
700 1 $aVALADARES FILHO, S. de C.
700 1 $aDETMANN, E.
700 1 $aCAVALI, J.
700 1 $aSALES, M. F. L.
700 1 $aVALENTE, E. E. L.
700 1 $aCOUTO, V. R. M.
773 $tRevista Brasileira de Zootecnia, Viçosa$gv. 41, n. 3, p. 734-745, 2012.
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Registro original: |
Embrapa Acre (CPAF-AC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Algodão. Para informações adicionais entre em contato com cnpa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
29/01/2002 |
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Data da última atualização: |
29/01/2002 |
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Autoria: |
AZEVEDO, D. M. P. de; SANTOS, J. W. dos; LIMA, E. F.; BATISTA, F. A. S.; VIEIRA, D. J.; NOBREGA, L. B. da; PEREIRA, J. R. |
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Título: |
Efeito de populacao de plantas no consorcio mamoneira\\milho. II. Eficiencia agronomica. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Revista de Oleaginosas e Fibrosas, Compina Grande, v.5, n.1, p.255-265,jan-abr. 2001. |
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Idioma: |
Português |
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Palavras-Chave: |
Brasil; Castor bean; Consorcio; Land equivalent ratio; Maize; Monteiro; Paraiba; Riccinus communis; Uso de eficiencia da terra. |
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Thesagro: |
Mamona; Milho; Zea Mays. |
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Thesaurus NAL: |
intercropping. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00941naa a2200337 a 4500
001 1272220
005 2002-01-29
008 2001 bl uuuu u00u1 u #d
100 1 $aAZEVEDO, D. M. P. de
245 $aEfeito de populacao de plantas no consorcio mamoneira\\milho. II. Eficiencia agronomica.
260 $c2001
650 $aintercropping
650 $aMamona
650 $aMilho
650 $aZea Mays
653 $aBrasil
653 $aCastor bean
653 $aConsorcio
653 $aLand equivalent ratio
653 $aMaize
653 $aMonteiro
653 $aParaiba
653 $aRiccinus communis
653 $aUso de eficiencia da terra
700 1 $aSANTOS, J. W. dos
700 1 $aLIMA, E. F.
700 1 $aBATISTA, F. A. S.
700 1 $aVIEIRA, D. J.
700 1 $aNOBREGA, L. B. da
700 1 $aPEREIRA, J. R.
773 $tRevista de Oleaginosas e Fibrosas, Compina Grande$gv.5, n.1, p.255-265,jan-abr. 2001.
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