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Registro Completo |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
22/11/2002 |
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Data da última atualização: |
22/11/2002 |
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Autoria: |
LUZ, L. R. Q. P. da. |
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Título: |
Levantamento de solos na região dos tabuleiros costeiros. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 28., 2001, Londrina. Ciencia do solo: fator de produtividade competitiva com sustentabilidade: [resumos]... Londrina: Sociedade Brasileira de Ciencia do Solo; Embrapa Soja; IAPAR; UEL; UEM, 2001. |
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Páginas: |
p.214 |
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Idioma: |
Português |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00533naa a2200121 a 4500
001 1336996
005 2002-11-22
008 2001 bl uuuu u00u1 u #d
100 1 $aLUZ, L. R. Q. P. da
245 $aLevantamento de solos na região dos tabuleiros costeiros.
260 $c2001
300 $ap.214
773 $tIn: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 28., 2001, Londrina. Ciencia do solo: fator de produtividade competitiva com sustentabilidade: [resumos]... Londrina: Sociedade Brasileira de Ciencia do Solo; Embrapa Soja; IAPAR; UEL; UEM, 2001.
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Embrapa Solos (CNPS) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
31/08/2017 |
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Data da última atualização: |
22/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
VILLALOBOS-CORTÉS, A.; MARTÍNEZ, A.; VEGA-PLA, J. L.; LANDI, V.; QUIROZ, J.; MARQUES, J. R.; DELGADO, J. V. |
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Afiliação: |
Axel Villalobos-Cortés, Instituto de Investigación Agropecuaria, Panama; Amparo Martínez, Universidad de Cordoba; Jose. L. Vega-Pla, Fuerzas Armadas de España; Vincenzo Landi, Universidad de Cordoba; Jorge Quiroz, Instituto Nacional de Investigaciones Forestales Agricolas y Pecuarias; JOSE RIBAMAR FELIPE MARQUES, CPATU; Juan V. Delgado, Universidad de Cordoba. |
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Título: |
Genetic relationships among five zebu breeds naturalized in America accessed with molecular markers. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Italian Journal of Animal Science, v. 14, n. 2, p. 158-162, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
This study aims to analyze the within-breed genetic diversity and determine the genetic relationships among the most important zebu populations introduced in the American continent from Asia. Gyr (GYR), Red Sindhi (SIN), Nellore (NEL), Guzerat (GUZ) and the synthetic Brahman (BRH) breeds have been established especially in American tropical regions. Estimates of genetic structure and diversity were carried out within and among the five populations studied. The results of withinbreed genetic diversity showed medium to high medium values of diversity in all genetic parameters [observed heterozygosity (Ho)=0.622±0.022; expected heterozygosity (He)=0.662±0.023; number of alleles (Na)=5.71±1.63; and allelic richness (Ar)=4.097±0.958]. The lowest value of Ho was observed in NEL (0.569±0.019) and the highest in BRH (0.688±0.015). Lowest value of He was also observed in NEL (0.612±0.024) and the highest in BRH (0.700±0.020). Gyr, GUZ and NEL showed high estimations of inbreeding, 9.98, 7.92 and 6.83% respectively. Values of Na varied between 4.93±1.52 in GUZ and 7.04±1.99 in BRH and the Ar values ranged between 3.687±0.895 in NEL and 4.42±1.91 in SIN. On the other hand, although phenotypically, the five breeds are clearly distinguishable, the genetic analysis of structure and kinship demonstrates a total independence among GYR, GUZ and NEL, while BRH and Red Sindhi show a closed relationship. These facts support that GYR, GUZ and NEL have had a diverse origin but also different models of introgression in America. Brahman and SIN could be explained by the intervention of the Sindhi ancestors in the formation of the American synthetic Brahma. MenosThis study aims to analyze the within-breed genetic diversity and determine the genetic relationships among the most important zebu populations introduced in the American continent from Asia. Gyr (GYR), Red Sindhi (SIN), Nellore (NEL), Guzerat (GUZ) and the synthetic Brahman (BRH) breeds have been established especially in American tropical regions. Estimates of genetic structure and diversity were carried out within and among the five populations studied. The results of withinbreed genetic diversity showed medium to high medium values of diversity in all genetic parameters [observed heterozygosity (Ho)=0.622±0.022; expected heterozygosity (He)=0.662±0.023; number of alleles (Na)=5.71±1.63; and allelic richness (Ar)=4.097±0.958]. The lowest value of Ho was observed in NEL (0.569±0.019) and the highest in BRH (0.688±0.015). Lowest value of He was also observed in NEL (0.612±0.024) and the highest in BRH (0.700±0.020). Gyr, GUZ and NEL showed high estimations of inbreeding, 9.98, 7.92 and 6.83% respectively. Values of Na varied between 4.93±1.52 in GUZ and 7.04±1.99 in BRH and the Ar values ranged between 3.687±0.895 in NEL and 4.42±1.91 in SIN. On the other hand, although phenotypically, the five breeds are clearly distinguishable, the genetic analysis of structure and kinship demonstrates a total independence among GYR, GUZ and NEL, while BRH and Red Sindhi show a closed relationship. These facts support that GYR, GUZ and NEL have had a diverse origin but also different mode... Mostrar Tudo |
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Palavras-Chave: |
Estrutura genética; Marcadores moleculares. |
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Thesagro: |
Biodiversidade; Conservação. |
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Thesaurus NAL: |
zebu. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02427naa a2200253 a 4500
001 2074728
005 2021-12-22
008 2015 bl uuuu u00u1 u #d
100 1 $aVILLALOBOS-CORTÉS, A.
245 $aGenetic relationships among five zebu breeds naturalized in America accessed with molecular markers.$h[electronic resource]
260 $c2015
520 $aThis study aims to analyze the within-breed genetic diversity and determine the genetic relationships among the most important zebu populations introduced in the American continent from Asia. Gyr (GYR), Red Sindhi (SIN), Nellore (NEL), Guzerat (GUZ) and the synthetic Brahman (BRH) breeds have been established especially in American tropical regions. Estimates of genetic structure and diversity were carried out within and among the five populations studied. The results of withinbreed genetic diversity showed medium to high medium values of diversity in all genetic parameters [observed heterozygosity (Ho)=0.622±0.022; expected heterozygosity (He)=0.662±0.023; number of alleles (Na)=5.71±1.63; and allelic richness (Ar)=4.097±0.958]. The lowest value of Ho was observed in NEL (0.569±0.019) and the highest in BRH (0.688±0.015). Lowest value of He was also observed in NEL (0.612±0.024) and the highest in BRH (0.700±0.020). Gyr, GUZ and NEL showed high estimations of inbreeding, 9.98, 7.92 and 6.83% respectively. Values of Na varied between 4.93±1.52 in GUZ and 7.04±1.99 in BRH and the Ar values ranged between 3.687±0.895 in NEL and 4.42±1.91 in SIN. On the other hand, although phenotypically, the five breeds are clearly distinguishable, the genetic analysis of structure and kinship demonstrates a total independence among GYR, GUZ and NEL, while BRH and Red Sindhi show a closed relationship. These facts support that GYR, GUZ and NEL have had a diverse origin but also different models of introgression in America. Brahman and SIN could be explained by the intervention of the Sindhi ancestors in the formation of the American synthetic Brahma.
650 $azebu
650 $aBiodiversidade
650 $aConservação
653 $aEstrutura genética
653 $aMarcadores moleculares
700 1 $aMARTÍNEZ, A.
700 1 $aVEGA-PLA, J. L.
700 1 $aLANDI, V.
700 1 $aQUIROZ, J.
700 1 $aMARQUES, J. R.
700 1 $aDELGADO, J. V.
773 $tItalian Journal of Animal Science$gv. 14, n. 2, p. 158-162, 2015.
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