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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: |
09/02/1998 |
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Data da última atualização: |
06/09/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
JOHNSON, W. L.; BARROS, N. N.; OLIVEIRA, E. R. de; SIMPLICIO, A. A.; RIERA, G. S. |
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Afiliação: |
Department of Animal Science, Box 7621, North Carolina State University, Raleigh NC 27695-7621, U.S.A.; NELSON NOGUEIRA BARROS, CNPC; EDERLON RIBEIRO DE OLIVEIRA, CNPC; AUTRINO ALVES SIMPLÍCIO, CNPC; GERARDO SIMÓN RIERA, Department of Animal Science, Utah State University, Logan, UT 84322, United States. |
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Título: |
Dietary energy levels and age and weight at puberty in Morada Nova ewe-lambs, in Northeast Brazil. |
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Ano de publicação: |
1988 |
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Fonte/Imprenta: |
Small Ruminant Research, v. 1, n. 1 , p. 67-72, Mar. 1988. |
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DOI: |
http://dx.doi.org/10.1016/0921-4488(88)90045-4 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Tropical hair sheep of the Morada Nova breed were utilized to study the effect of energy intake on age and weight at puberty. Twenty-four ewe-lambs, 140 ± 1.2 days of age and weighing 12.5 ± 0.25 kg, were assigned to receive 50, 200, 350 or 500 g of maize grain per day (T1, 2, 3 and 4, respectively) along with 150 g of cottonseed cake and a ground maize stover/maize cob mixture ad libitum. Between the beginning of the experiment and first estrus, one lamb was removed from T3 and one from T4 due to rumen disorders. Also, one lamb from T1 was eliminated for reasons not related to experimental treatments. The remaining 21 lambs gained weight at rates of 42 ± 6, 49 ± 5,60 ± 8 and 74 ± 9 gd-1 for T1, 2, 3 and 4, respectively. First estrus, detected by vasectomized teaser rams, was displayed at 283 ± 13, 294 ± 15, 310 ± 16 and 266 ± 16 days of age and 19.1 ± 1.2, 20.6 ± 1.2, 23.4 ± 2.0 and 20.8 ± 1.4 kg of weight for the four treatment groups. Treatment differences were not significant (P > 0.05) for age or weight at first estrus. Performance of Morada Nova ewe-lambs in this experiment indicates that animals fed during their growth phase to reach 18-22 kg by 260-320 days of age, will then display first estrus if exposed to a ram; and that, assuming a weaning age and weight equivalent to the conditions of this experiment, these pubertal age/weight combinations can be attained with a post-weaning feeding regime that allows a daily intake of at least 62 g DM per W (kg)0.75. © 1988. MenosAbstract: Tropical hair sheep of the Morada Nova breed were utilized to study the effect of energy intake on age and weight at puberty. Twenty-four ewe-lambs, 140 ± 1.2 days of age and weighing 12.5 ± 0.25 kg, were assigned to receive 50, 200, 350 or 500 g of maize grain per day (T1, 2, 3 and 4, respectively) along with 150 g of cottonseed cake and a ground maize stover/maize cob mixture ad libitum. Between the beginning of the experiment and first estrus, one lamb was removed from T3 and one from T4 due to rumen disorders. Also, one lamb from T1 was eliminated for reasons not related to experimental treatments. The remaining 21 lambs gained weight at rates of 42 ± 6, 49 ± 5,60 ± 8 and 74 ± 9 gd-1 for T1, 2, 3 and 4, respectively. First estrus, detected by vasectomized teaser rams, was displayed at 283 ± 13, 294 ± 15, 310 ± 16 and 266 ± 16 days of age and 19.1 ± 1.2, 20.6 ± 1.2, 23.4 ± 2.0 and 20.8 ± 1.4 kg of weight for the four treatment groups. Treatment differences were not significant (P > 0.05) for age or weight at first estrus. Performance of Morada Nova ewe-lambs in this experiment indicates that animals fed during their growth phase to reach 18-22 kg by 260-320 days of age, will then display first estrus if exposed to a ram; and that, assuming a weaning age and weight equivalent to the conditions of this experiment, these pubertal age/weight combinations can be attained with a post-weaning feeding regime that allows a daily intake of at least 62 g DM per W (kg)0.75.... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Consumo energético; Growth; Nordeste; Northeast; Puberdade; Raça Morada Nova. |
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Thesagro: |
Consumo; Crescimento; Ganho de peso; Maturidade sexual; Ovino. |
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Thesaurus Nal: |
Age; Body weight; Brazil; energy intake; Feed intake; Lambs; liveweight gain; puberty; Sexual maturity; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02692naa a2200445 a 4500
001 1514876
005 2021-09-06
008 1988 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/0921-4488(88)90045-4$2DOI
100 1 $aJOHNSON, W. L.
245 $aDietary energy levels and age and weight at puberty in Morada Nova ewe-lambs, in Northeast Brazil.
260 $c1988
520 $aAbstract: Tropical hair sheep of the Morada Nova breed were utilized to study the effect of energy intake on age and weight at puberty. Twenty-four ewe-lambs, 140 ± 1.2 days of age and weighing 12.5 ± 0.25 kg, were assigned to receive 50, 200, 350 or 500 g of maize grain per day (T1, 2, 3 and 4, respectively) along with 150 g of cottonseed cake and a ground maize stover/maize cob mixture ad libitum. Between the beginning of the experiment and first estrus, one lamb was removed from T3 and one from T4 due to rumen disorders. Also, one lamb from T1 was eliminated for reasons not related to experimental treatments. The remaining 21 lambs gained weight at rates of 42 ± 6, 49 ± 5,60 ± 8 and 74 ± 9 gd-1 for T1, 2, 3 and 4, respectively. First estrus, detected by vasectomized teaser rams, was displayed at 283 ± 13, 294 ± 15, 310 ± 16 and 266 ± 16 days of age and 19.1 ± 1.2, 20.6 ± 1.2, 23.4 ± 2.0 and 20.8 ± 1.4 kg of weight for the four treatment groups. Treatment differences were not significant (P > 0.05) for age or weight at first estrus. Performance of Morada Nova ewe-lambs in this experiment indicates that animals fed during their growth phase to reach 18-22 kg by 260-320 days of age, will then display first estrus if exposed to a ram; and that, assuming a weaning age and weight equivalent to the conditions of this experiment, these pubertal age/weight combinations can be attained with a post-weaning feeding regime that allows a daily intake of at least 62 g DM per W (kg)0.75. © 1988.
650 $aAge
650 $aBody weight
650 $aBrazil
650 $aenergy intake
650 $aFeed intake
650 $aLambs
650 $aliveweight gain
650 $apuberty
650 $aSexual maturity
650 $aSheep
650 $aConsumo
650 $aCrescimento
650 $aGanho de peso
650 $aMaturidade sexual
650 $aOvino
653 $aBrasil
653 $aConsumo energético
653 $aGrowth
653 $aNordeste
653 $aNortheast
653 $aPuberdade
653 $aRaça Morada Nova
700 1 $aBARROS, N. N.
700 1 $aOLIVEIRA, E. R. de
700 1 $aSIMPLICIO, A. A.
700 1 $aRIERA, G. S.
773 $tSmall Ruminant Research$gv. 1, n. 1 , p. 67-72, Mar. 1988.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
30/08/2017 |
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Data da última atualização: |
30/08/2017 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
SANO, S. M.; AGOSTINI-COSTA, T. da S.; FARIA, J. P. |
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Afiliação: |
SUELI MATIKO SANO, CPAC; TANIA DA SILVEIRA AGOSTINI COSTA, CENARGEN; JULIANA PEREIRA FARIA. |
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Título: |
Hymenaea stigonocarpa: jatobá-do-cerrado. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: VIEIRA, R. F.; CAMILLO, J.; CORADIN, L. (Ed.). Espécies nativas da flora brasileira de valor econômico atual ou potencial: plantas para o futuro: Região Centro-Oeste. Brasília, DF: MMA, 2016. 1.160 p. (Série Biodiversidade; 44). |
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Páginas: |
p. 247-256 |
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Idioma: |
Português |
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Palavras-Chave: |
Hymenaea stigonocarpa Mart ex Hayne. |
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Thesagro: |
Cerrado; Espécie nativa. |
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Thesaurus NAL: |
Fabaceae. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 00737naa a2200193 a 4500
001 2074676
005 2017-08-30
008 2016 bl uuuu u00u1 u #d
100 1 $aSANO, S. M.
245 $aHymenaea stigonocarpa$bjatobá-do-cerrado.$h[electronic resource]
260 $c2016
300 $ap. 247-256
650 $aFabaceae
650 $aCerrado
650 $aEspécie nativa
653 $aHymenaea stigonocarpa Mart ex Hayne
700 1 $aAGOSTINI-COSTA, T. da S.
700 1 $aFARIA, J. P.
773 $tIn: VIEIRA, R. F.; CAMILLO, J.; CORADIN, L. (Ed.). Espécies nativas da flora brasileira de valor econômico atual ou potencial: plantas para o futuro: Região Centro-Oeste. Brasília, DF: MMA, 2016. 1.160 p. (Série Biodiversidade; 44).
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