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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
30/07/2009 |
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Data da última atualização: |
15/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MÉO, S. C.; FERREIRA, C. R.; CHIARATTI, M. R.; MEIRELLES, F. V.; REGITANO, L. C. de A.; ALENCAR, M. M. de; BARBOSA, P. F. |
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Afiliação: |
SIMONE CRISTINA MÉO, CPPSE; C. R. FERREIRA, FZEA/USP, PIRASSUNUNGA, SP.; M. R. CHIARATTI, FZEA/USP, PIRASSUNUNGA,SP.; F. V. MEIRELLES, FZEA/USP, PIRASSUNGA, SP.; LUCIANA CORREIA DE ALMEIDA REG, CPPSE; MAURICIO MELLO DE ALENCAR, CPPSE; PEDRO FRANKLIN BARBOSA, CPPSE. |
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Título: |
Characterization of mitochondrial genotypes in the foundation herd of the Canchim beef cattle breed. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 8, n. 1, p. 261-267, 2009. |
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DOI: |
10.4238/vol8-1gmr577 |
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Idioma: |
Inglês |
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Conteúdo: |
The Canchim (5/8 Charolais + 3/8 Zebu) beef cattle breed was developed at Southeast-Embrapa Cattle to take advantage of hybrid vigor and to combine the higher growth rate and beef quality of Charolais with tropical adaptations of Zebu. The development of three lineages (old, new, and crossbred) has increased its genetic basis. The genotypic origin (Bos taurus or Bos indicus) of the mitochondrial DNA (mtDNA) of the Canchim breed was unknown. We characterized the mtDNA genotype of this founder herd by allele-specific polymerase chain reaction. The 173 founder Zebu females (62 Indubrasil, 3 Guzerat, and 108 Nellore) and their 6749 offspring were identified. The frequency of B. indicus mtDNA ranged from 1.15 to 2.05% among the descendants (n = 6404) of each maternal line with available DNA, and among animals that were alive (n = 689) in December 2007 among the three lineages. Though mtDNA characterization can be used to direct animal selection, the low frequency of B. indicus mtDNA impairs the evaluation of its effects on production traits in these animals. The high prevalence of B. taurus mtDNA in Canchim proves that the founder Zebu females from the Indubrasil, Guzerat and Nellore breeds were obtained from crosses of Zebu sires with local B. taurus dams. |
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Palavras-Chave: |
Allele specific polymerase chain reaction; Bovine; Maternal inheritance. |
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Thesaurus Nal: |
mitochondrial DNA. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CPPSE-2009-09/18523/1/PROCISCMN2009.00068.pdf
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Marc: |
LEADER 02074naa a2200253 a 4500
001 1256253
005 2023-03-15
008 2009 bl uuuu u00u1 u #d
024 7 $a10.4238/vol8-1gmr577$2DOI
100 1 $aMÉO, S. C.
245 $aCharacterization of mitochondrial genotypes in the foundation herd of the Canchim beef cattle breed.$h[electronic resource]
260 $c2009
520 $aThe Canchim (5/8 Charolais + 3/8 Zebu) beef cattle breed was developed at Southeast-Embrapa Cattle to take advantage of hybrid vigor and to combine the higher growth rate and beef quality of Charolais with tropical adaptations of Zebu. The development of three lineages (old, new, and crossbred) has increased its genetic basis. The genotypic origin (Bos taurus or Bos indicus) of the mitochondrial DNA (mtDNA) of the Canchim breed was unknown. We characterized the mtDNA genotype of this founder herd by allele-specific polymerase chain reaction. The 173 founder Zebu females (62 Indubrasil, 3 Guzerat, and 108 Nellore) and their 6749 offspring were identified. The frequency of B. indicus mtDNA ranged from 1.15 to 2.05% among the descendants (n = 6404) of each maternal line with available DNA, and among animals that were alive (n = 689) in December 2007 among the three lineages. Though mtDNA characterization can be used to direct animal selection, the low frequency of B. indicus mtDNA impairs the evaluation of its effects on production traits in these animals. The high prevalence of B. taurus mtDNA in Canchim proves that the founder Zebu females from the Indubrasil, Guzerat and Nellore breeds were obtained from crosses of Zebu sires with local B. taurus dams.
650 $amitochondrial DNA
653 $aAllele specific polymerase chain reaction
653 $aBovine
653 $aMaternal inheritance
700 1 $aFERREIRA, C. R.
700 1 $aCHIARATTI, M. R.
700 1 $aMEIRELLES, F. V.
700 1 $aREGITANO, L. C. de A.
700 1 $aALENCAR, M. M. de
700 1 $aBARBOSA, P. F.
773 $tGenetics and Molecular Research$gv. 8, n. 1, p. 261-267, 2009.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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