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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
10/02/1995 |
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Data da última atualização: |
27/11/2015 |
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Autoria: |
FERRAZ, E. S. B.; PEREIRA, J. C. D; TOMASELLI, I.; CORRÊA, J. B. C. |
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Título: |
Evaluation of moisture gradients during drying of slash pine sawn wood using gamma ray technique. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
In: IUFRO ALL-DIVISION CONFERENCE "FOREST PRODUCTS", 5., 1992, Nancy. [Proceedings]. Nancy: ENGREF; 1992. |
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Volume: |
v. 2, |
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Páginas: |
p. 509. |
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Idioma: |
Inglês |
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Notas: |
Abstract. |
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Palavras-Chave: |
Madeira de corte; Raios gama. |
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Thesaurus Nal: |
Pinus. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66432/1/SP3125.pdf
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Marc: |
LEADER 00677nam a2200205 a 4500
001 1280218
005 2015-11-27
008 1992 bl uuuu u00u1 u #d
100 1 $aFERRAZ, E. S. B.
245 $aEvaluation of moisture gradients during drying of slash pine sawn wood using gamma ray technique.$h[electronic resource]
260 $aIn: IUFRO ALL-DIVISION CONFERENCE "FOREST PRODUCTS", 5., 1992, Nancy. [Proceedings]. Nancy: ENGREF; 1992.$c1992
300 $ap. 509. v. 2,
490 $vv. 2,
500 $aAbstract.
650 $aPinus
653 $aMadeira de corte
653 $aRaios gama
700 1 $aPEREIRA, J. C. D
700 1 $aTOMASELLI, I.
700 1 $aCORRÊA, J. B. C.
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Registro original: |
Embrapa Florestas (CNPF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
04/11/2019 |
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Data da última atualização: |
04/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
FAVERI, J. C.; PINTO, L. F. B.; CAMARGO, G. M. F. de; PEDROSA, V. B.; PEIXOTO, J. de O.; MARCHESI, J. A. P.; KAWSKI, V. L.; COUTINHO, L. L.; LEDUR, M. C. |
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Afiliação: |
JULIANA CANTOS FAVERI, UFBA; LUIS FERNANDO BATISTA PINTO, UFBA; UFBA; VITOR BRENO PEDROSA, UEPG; JANE DE OLIVEIRA PEIXOTO, CNPSA; JORGE AUGUSTO PETROLLI MARCHESI, USP; VICKY LILGE KAWSKI, CNPSA; LUIZ LEHMANN COUTINHO, ESALQ; MONICA CORREA LEDUR, CNPSA. |
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Título: |
Quantitative trait loci for morphometric and mineral composition traits of the tibia bone in a broiler x layer cross. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Animal, v. 13, n. 8, p. 1563-1569, 2019. |
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DOI: |
10.1017/S175173111800335X |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Many economic losses occur in the poultry industry due to leg fragility. Knowing the genomic regions that influence traits associated with the growth and composition of the leg?s bone can help to improve the selection process leading to increased leg resistance to fracture. The present study aimed to map quantitative trait loci (QTL) for mineral composition and morphometric traits of the tibia in 478 animals from an F2 broiler × layer cross. The easurement of weight, length and width of Tibia was carried out at 42 days of age. Ash, dry matter, levels of calcium (Ca), phosphorus (P), magnesium (Mg), Zinc (Zn) and Calcium:Phosphorus (Ca:P) ratio were also recorded. The population was genotyped for 128 microsatellite markers and one single nucleotide polymorphism, covering 2630 cM of the chicken genome. A likelihood ratio test was performed to find QTLs. Additive and dominance effects of the QTLs were included in the model. In the chromosomes 2 (GGA2), 6 (GGA6), 8 (GGA8), 24 (GGA24) and 26 (GGA26) some suggestive QTLs ( P<0.00276) were mapped for tibia weight (GGA2 and GGA26), ash percentage (GGA2 and GGA6), dry matter percentage (GGA2), Ca (GGA8 and GGA24) and Ca:P ratio (GGA8), many of which are close to genes already identified as good candidates for those traits. The suggestive QTL on GGA2 has a pleiotropic effect on ash percentage, dry matter and bone weight, whereas in the GGA8 there seems to be two QTLs, one for Ca and another for Ca:P ratio. Thus, this study identified at least five genomic regions, in different chromosomes, that can be targeted for further research to identify potential mutations influencing the development and composition of leg bones in Gallus gallus. MenosAbstract: Many economic losses occur in the poultry industry due to leg fragility. Knowing the genomic regions that influence traits associated with the growth and composition of the leg?s bone can help to improve the selection process leading to increased leg resistance to fracture. The present study aimed to map quantitative trait loci (QTL) for mineral composition and morphometric traits of the tibia in 478 animals from an F2 broiler × layer cross. The easurement of weight, length and width of Tibia was carried out at 42 days of age. Ash, dry matter, levels of calcium (Ca), phosphorus (P), magnesium (Mg), Zinc (Zn) and Calcium:Phosphorus (Ca:P) ratio were also recorded. The population was genotyped for 128 microsatellite markers and one single nucleotide polymorphism, covering 2630 cM of the chicken genome. A likelihood ratio test was performed to find QTLs. Additive and dominance effects of the QTLs were included in the model. In the chromosomes 2 (GGA2), 6 (GGA6), 8 (GGA8), 24 (GGA24) and 26 (GGA26) some suggestive QTLs ( P<0.00276) were mapped for tibia weight (GGA2 and GGA26), ash percentage (GGA2 and GGA6), dry matter percentage (GGA2), Ca (GGA8 and GGA24) and Ca:P ratio (GGA8), many of which are close to genes already identified as good candidates for those traits. The suggestive QTL on GGA2 has a pleiotropic effect on ash percentage, dry matter and bone weight, whereas in the GGA8 there seems to be two QTLs, one for Ca and another for Ca:P ratio. Thus, this study i... Mostrar Tudo |
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Palavras-Chave: |
Bone integrity; Candidate genes. |
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Thesagro: |
Formação Óssea; Frango de Corte; Genética Animal; Osso. |
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Thesaurus NAL: |
Animal genetics; Chickens; Genetics; Selection methods. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02727naa a2200349 a 4500
001 2113851
005 2019-11-04
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1017/S175173111800335X$2DOI
100 1 $aFAVERI, J. C.
245 $aQuantitative trait loci for morphometric and mineral composition traits of the tibia bone in a broiler x layer cross.$h[electronic resource]
260 $c2019
520 $aAbstract: Many economic losses occur in the poultry industry due to leg fragility. Knowing the genomic regions that influence traits associated with the growth and composition of the leg?s bone can help to improve the selection process leading to increased leg resistance to fracture. The present study aimed to map quantitative trait loci (QTL) for mineral composition and morphometric traits of the tibia in 478 animals from an F2 broiler × layer cross. The easurement of weight, length and width of Tibia was carried out at 42 days of age. Ash, dry matter, levels of calcium (Ca), phosphorus (P), magnesium (Mg), Zinc (Zn) and Calcium:Phosphorus (Ca:P) ratio were also recorded. The population was genotyped for 128 microsatellite markers and one single nucleotide polymorphism, covering 2630 cM of the chicken genome. A likelihood ratio test was performed to find QTLs. Additive and dominance effects of the QTLs were included in the model. In the chromosomes 2 (GGA2), 6 (GGA6), 8 (GGA8), 24 (GGA24) and 26 (GGA26) some suggestive QTLs ( P<0.00276) were mapped for tibia weight (GGA2 and GGA26), ash percentage (GGA2 and GGA6), dry matter percentage (GGA2), Ca (GGA8 and GGA24) and Ca:P ratio (GGA8), many of which are close to genes already identified as good candidates for those traits. The suggestive QTL on GGA2 has a pleiotropic effect on ash percentage, dry matter and bone weight, whereas in the GGA8 there seems to be two QTLs, one for Ca and another for Ca:P ratio. Thus, this study identified at least five genomic regions, in different chromosomes, that can be targeted for further research to identify potential mutations influencing the development and composition of leg bones in Gallus gallus.
650 $aAnimal genetics
650 $aChickens
650 $aGenetics
650 $aSelection methods
650 $aFormação Óssea
650 $aFrango de Corte
650 $aGenética Animal
650 $aOsso
653 $aBone integrity
653 $aCandidate genes
700 1 $aPINTO, L. F. B.
700 1 $aCAMARGO, G. M. F. de
700 1 $aPEDROSA, V. B.
700 1 $aPEIXOTO, J. de O.
700 1 $aMARCHESI, J. A. P.
700 1 $aKAWSKI, V. L.
700 1 $aCOUTINHO, L. L.
700 1 $aLEDUR, M. C.
773 $tAnimal$gv. 13, n. 8, p. 1563-1569, 2019.
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