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Registros recuperados: 6
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Alternative genotyping method for the single nucleotide polymorphism A2959G (AF159246) of the bovine CAST gene PAB
Curi,Rogério Abdallah; Chardulo,Luis Artur Loyola; Silveira,Antônio Carlos; Oliveira,Henrique Nunes de.
The objective of this work was to genotype the single nucleotide polymorphism (SNP) A2959G (AF159246) of bovine CAST gene by PCR-RFLP technique, and to report its use for the first time. For this, 147 Bos indicus and Bos taurus x Bos indicus animals were genotyped. The accuracy of the method was confirmed through the direct sequencing of PCR products of nine individuals. The lowest frequency of the meat tenderness favorable allele (A) in Bos indicus was confirmed. The use of PCR-RFLP for the genotyping of the bovine CAST gene SNP was shown to be robust and inexpensive, which will greatly facilitate its analysis by laboratories with basic structure.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calpastatin gene; Meat texture; PCR-RFLP; SNP.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2008000500014
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Desempenho, fibras musculares e carne de bovinos jovens de três grupos genéticos PAB
Arrigoni,Mário De Beni; Alves Júnior,Armando; Dias,Paulo Marcelo Amorim; Martins,Cyntia Ludovico; Cervieri,Rafael da Costa; Silveira,Antonio Carlos; Oliveira,Henrique Nunes de; Chardulo,Luis Artur Loyola.
O objetivo deste trabalho foi avaliar as características de desempenho, carcaça, qualidade de carne e das fibras musculares esqueléticas de bovinos jovens de três grupos genéticos, Angus x Nelore, Canchim x Nelore e Simental x Nelore. Noventa bovinos inteiros mestiços jovens, com idade média de oito meses, sendo 30 de cada grupo genético, foram distribuídos em delineamento experimental inteiramente casualizado, com três tratamentos (grupos genéticos) e seis repetições. Nas análises das fibras musculares, foram utilizados seis animais por tratamento e na avaliação de desempenho e características de carcaça, foram utilizados todos os animais. Em relação a ganho de peso diário, rendimentos de carcaça e cortes cárneos, área do músculo longissimus dorsi e...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Confinamento; Atributos de qualidade.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2004001000012
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Frequencies of candidate genes and associations with carcass and meat traits in Nellore and crossbred cattle PAB
Dias,Victor Augusto Domingos; Curi,Rogério Abdallah; Pereira,Guilherme Luis; Malheiros,Jéssica Moraes; Espigolan,Rafael; Albuquerque,Lúcia Galvão de; Chardulo,Luis Artur Loyola; Oliveira,Henrique Nunes de.
Abstract: The objective of this work was to estimate allelic frequencies of the polymorphisms IGF2/MboII (G > T) of the insulin-like growth factor 2 (IGF2) gene, DQ499531.1:g.134A > T of the pro-melanin-concentrating hormone (PMCH) gene, and DQ667048.1:g.3290G > T of the RARrelated orphan receptor C (RORC) gene in beef cattle of different genetic groups, and to evaluate the associations between these polymorphisms and traits related to carcass composition and meat quality. Data on carcass and meat quality of 499 animals was used: of 313 Nellore (Bos indicus) and of 186 Nellore crossed with different taurine (Bos taurus) breeds. For the IGF2/MboII polymorphism, the frequencies found for the G allele were 0.231 and 0.631 for Nellore and crossed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bos indicus; Beef cattle; Beef quality; Polymorphism..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2016000200169
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Genetic polymorphisms related to meat traits in purebred and crossbred Nelore cattle PAB
Curi,Rogério Abdallah; Fortes,Marina Rufino Salinas; Chardulo,Luis Artur Loyola; Silveira,Antonio Carlos; Arrigoni,Mário De Beni; Martins,Cyntia Ludovico; Assumpção,Mayra Elena Ortiz D' Avila; Oliveira,Henrique Nunes de.
The objective of this work was to estimate the allelic and genotypic frequencies of CAST/XmnI, a calpastatin gene polymorphism, and CAPN530, a calpain 1 large subunit gene polymorphism, in different beef genetic groups (Nelore and Nelore x Bos taurus), and to investigate associations between these polymorphisms and carcass and meat traits. Three hundred animals - comprising 114 Nelore, 67 Angus x Nelore, 44 Rubia Gallega x Nelore, 41 Canchim, 19 Brangus three-way cross and 15 Braunvieh three-way cross- were genotyped by PCR-RFLP and phenotyped for rib-eye area (REA), back-fat thickness (BT), intramuscular fat (IF), shear force (SF) and myofibrillar fragmentation index (MFI). The occurrence of the two alleles of the CAST/XmnI and CAPN530 single nucleotide...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bos indicus; Calpain gene; Calpastatin gene; Meat tenderness; Single nucleotide polymorphisms.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009001200015
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Polymorphisms in candidate genes and their association with carcass traits and meat quality in Nellore cattle PAB
Borges,Bárbara Oliveira; Curi,Rogério Abdallah; Baldi,Fernando; Feitosa,Fabieli Loise Braga; Andrade,Willian Bruno Fernandes de; Albuquerque,Lucia Galvão de; Oliveira,Henrique Nunes de; Chardulo,Luis Artur Loyola.
The objective of this work was to estimate the allele polymorphism frequencies of genes in Nellore cattle and associate them with meat quality and carcass traits. Six hundred males were genotyped for the following polymorphisms: DGAT1 (VNTR with 18 nucleotides at the promoter region); ANK1, a new polymorphism, identified and mapped here at the gene regulatory region NW_001494427.3; TCAP (AY428575.1:g.346G>A); and MYOG (NW_001501985:g.511G>C). In the association study, phenotype data of hot carcass weight, ribeye area, backfat thickness, percentage of intramuscular fat, shear force, myofibrillar fragmentation index, meat color (L*, a*, b*), and cooking losses were used. Allele B from the ANK1 gene was associated with greater redness (a*). Alleles 5R,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bos indicus; Ankyrin; Assisted selection; Beef cattle; Myogenin; Titin.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000500364
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Ultrasonography as a predicting tool for carcass traits of young bulls Scientia Agricola
Suguisawa,Liliane; Mattos,Wilson Roberto Soares; Oliveira,Henrique Nunes de; Silveira,Antônio Carlos; Arrigoni,Mário de Beni; Haddad,Cláudio Maluf; Chardulo,Luis Artur Loyola; Martins,Cyntia Ludovico.
Considerable resources have been allocated to support research in the development of non-invasive and non-destructive techniques for carcass composition and quality evaluation. Ultrasonography is a reliable and relatively low-cost technique that can be used. In the present study, real-time ultrasonography was used to predict ribeye area (REA) and subcutaneous fat thickness (FT) in live animals as compared to carcass measurements. Animals used were 115 yearling bull calves (initial body weight, 329 kg), kept under feedlot conditions, of four genetic groups (30, ½ Angus x Nellore; 30, ½ Canchim x Nellore; 30, ½ Simmental x Nellore, and 25 Nellore), and two finishing frame sizes (small and large). Four ultrasonographic measurements were taken every 28 days...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Ribeye area; Fat thickness; Growth; Cross breeds.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000400026
Registros recuperados: 6
Primeira ... 1 ... Última
 

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