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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
29/05/2013 |
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Data da última atualização: |
06/08/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
McManus, C.; SANTOS, S. A.; DALLAGO, B. S. L.; PAIVA, S. R.; MARTINS, R. F. S.; BRACCINI NETO, J.; MARQUES, P. R.; ABREU, U. G. P. de. |
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Afiliação: |
CONCEPTA McMANUS, UnB; SANDRA APARECIDA SANTOS, CPAP; BRUNO STÉFANO LIMA DALLAGO, UnB; SAMUEL REZENDE PAIVA, SRI; RAFHAEL FELIPE SARAIVA MARTINS, UnB; JOSÉ BRACCINI NETO, UFRGS; PEDRO ROCHA MARQUES, UFRGS; URBANO GOMES PINTO DE ABREU, CPAP. |
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Título: |
Evaluation of conservation program for the Pantaneiro horse in Brazil. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, v. 42, n. 6, p. 404-413, 2013. |
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Páginas: |
10 p. |
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ISSN: |
1806-9290 |
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Idioma: |
Inglês |
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Conteúdo: |
A genealogical analysis of registered Pantaneiro horses was carried out with 3647 males and 6794 females. Of these animals, 50.66% had identifiedsiresand48.86%identifieddams.Thenumberofpedigreesincreasedoverthe generations, with higher registration of parents of sires than dams. Two municipalities are responsible for almost 70% of all registers: i) Poconé (Mato Grosso State), where the headquarters of the breeders association is located and ii) Corumbá (Mato Grosso do Sul State), where EMBRAPA Pantanal conducts its research. The mean inbreeding was 0.04% and average relatedness was 0.13%. Mean generation interval was 8.20 years. There is moderate to high genetic differentiation between farms (15% of total genetic variation) while between municipalities there is little differentiation. Wright´s fixationstatisticswere calculated and FIS (inbreeding efficientofindividualsrelativetothesubpopulation)values indicate some heterozygosity between farms but not municipalities, with overall FIT (inbreeding coefficientofindividualsrelativetothetotalpopulation)close to zero. The municipalities with the highest number of animals (Poconé and Corumbá) import relatively fewer sires (45 and 67% respectively). Genetic indices from genealogical data on the Pantaneiro horse population show that inbreeding is under control.Future breeding plans should include germplasm exchange between municipalities. The conservation program for the Pantaneiro horse has been shown to be successful but careful planning is needed in the future to avoid inbreeding and changes in important breed traits given the increasing interest in the use of the breed in sporting competitions. MenosA genealogical analysis of registered Pantaneiro horses was carried out with 3647 males and 6794 females. Of these animals, 50.66% had identifiedsiresand48.86%identifieddams.Thenumberofpedigreesincreasedoverthe generations, with higher registration of parents of sires than dams. Two municipalities are responsible for almost 70% of all registers: i) Poconé (Mato Grosso State), where the headquarters of the breeders association is located and ii) Corumbá (Mato Grosso do Sul State), where EMBRAPA Pantanal conducts its research. The mean inbreeding was 0.04% and average relatedness was 0.13%. Mean generation interval was 8.20 years. There is moderate to high genetic differentiation between farms (15% of total genetic variation) while between municipalities there is little differentiation. Wright´s fixationstatisticswere calculated and FIS (inbreeding efficientofindividualsrelativetothesubpopulation)values indicate some heterozygosity between farms but not municipalities, with overall FIT (inbreeding coefficientofindividualsrelativetothetotalpopulation)close to zero. The municipalities with the highest number of animals (Poconé and Corumbá) import relatively fewer sires (45 and 67% respectively). Genetic indices from genealogical data on the Pantaneiro horse population show that inbreeding is under control.Future breeding plans should include germplasm exchange between municipalities. The conservation program for the Pantaneiro horse has been shown to be successful but careful pl... Mostrar Tudo |
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Palavras-Chave: |
Average relatedness; Effective population size; Farm; Municipality; Wright´s statistics. |
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Thesaurus Nal: |
inbreeding. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02494naa a2200301 a 4500
001 1959028
005 2013-08-06
008 2013 bl uuuu u00u1 u #d
022 $a1806-9290
100 1 $aMcManus, C.
245 $aEvaluation of conservation program for the Pantaneiro horse in Brazil.
260 $c2013
300 $a10 p.
520 $aA genealogical analysis of registered Pantaneiro horses was carried out with 3647 males and 6794 females. Of these animals, 50.66% had identifiedsiresand48.86%identifieddams.Thenumberofpedigreesincreasedoverthe generations, with higher registration of parents of sires than dams. Two municipalities are responsible for almost 70% of all registers: i) Poconé (Mato Grosso State), where the headquarters of the breeders association is located and ii) Corumbá (Mato Grosso do Sul State), where EMBRAPA Pantanal conducts its research. The mean inbreeding was 0.04% and average relatedness was 0.13%. Mean generation interval was 8.20 years. There is moderate to high genetic differentiation between farms (15% of total genetic variation) while between municipalities there is little differentiation. Wright´s fixationstatisticswere calculated and FIS (inbreeding efficientofindividualsrelativetothesubpopulation)values indicate some heterozygosity between farms but not municipalities, with overall FIT (inbreeding coefficientofindividualsrelativetothetotalpopulation)close to zero. The municipalities with the highest number of animals (Poconé and Corumbá) import relatively fewer sires (45 and 67% respectively). Genetic indices from genealogical data on the Pantaneiro horse population show that inbreeding is under control.Future breeding plans should include germplasm exchange between municipalities. The conservation program for the Pantaneiro horse has been shown to be successful but careful planning is needed in the future to avoid inbreeding and changes in important breed traits given the increasing interest in the use of the breed in sporting competitions.
650 $ainbreeding
653 $aAverage relatedness
653 $aEffective population size
653 $aFarm
653 $aMunicipality
653 $aWright´s statistics
700 1 $aSANTOS, S. A.
700 1 $aDALLAGO, B. S. L.
700 1 $aPAIVA, S. R.
700 1 $aMARTINS, R. F. S.
700 1 $aBRACCINI NETO, J.
700 1 $aMARQUES, P. R.
700 1 $aABREU, U. G. P. de
773 $tRevista Brasileira de Zootecnia$gv. 42, n. 6, p. 404-413, 2013.
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| 14. |  | SANTOS, J. C. dos; CAMPOS, R. T. Análise da rentabilidade, sob condições de risco, de um sistema agroflorestal adotado por pequenos produtores de cacau na região da Transamazônica, Pará. In: CONGRESSO BRASILEIRO DE ECONOMIA E SOCIOLOGIA RURAL, 34., 1996, Aracaju. Anais... Brasília, DF: Sober, 1996. p. 1453-1472.| Tipo: Artigo em Anais de Congresso |
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