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Registro Completo |
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Biblioteca(s): |
Embrapa Acre. |
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Data corrente: |
02/06/2003 |
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Data da última atualização: |
31/10/2023 |
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Tipo da produção científica: |
Folder/Folheto/Cartilha |
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Autoria: |
AMARAL, E. F. do; ARAÚJO, E. A. de; SOUSA, M. de M. M.; FRANKE, I. L.; LUNZ, A. M. P.; ANDRADE, E. P. de. |
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Afiliação: |
EUFRAN FERREIRA DO AMARAL, CPAF-AC; Edson Alves de Araújo, Sepro; Mariângela de Moraes Messias Sousa; IDESIO LUIS FRANKE, CPAF-AC; AURENY MARIA PEREIRA LUNZ, CPAF-AC; Edivaldo Pinheiro de Andrade. |
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Título: |
Polos agroflorestais: a base para a produção sustentada usando o conhecimento da floresta. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Rio Branco, AC: Embrapa Acre; Governo do Estado, 1999. |
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Páginas: |
não paginado |
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Idioma: |
Português |
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Conteúdo: |
Os polos agroflorestais têm como objetivo proporcionar a inversão do processo de êxodo rural, buscando manter as famílias nas áreas de assentamento, favorecendo a geração de emprego e renda. Visam, ainda, a substituição do atual modelo de desenvolvimento, assegurando às gerações futuras a sustentabilidade necessária e uma melhor qualidade de vida. A utilização diversificada de culturas como frutíferas, hortaliças, leguminosas (adubação verde), essências florestais, culturas temporárias e criação de pequenos animais, aumentam a sustentabilidade ambiental do sistema de produção na diminuição do uso de produtos químicos, bem como a poluição dos solos e dos alimentos. A diversificação de culturas garante produção o ano todo, diminuindo os riscos de perda do produtor, além de permitir uma melhor distribuição de mão-de-obra ao longo do ano, em função das diferentes culturas e necessidades de manejo. |
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Palavras-Chave: |
Polos agroflorestais; Recursos florestais. |
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Thesagro: |
Zoneamento Florestal. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/133799/1/3540.pdf
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Marc: |
LEADER 01624nam a2200217 a 4500
001 1495009
005 2023-10-31
008 1999 bl uuuu u0uu1 u #d
100 1 $aAMARAL, E. F. do
245 $aPolos agroflorestais$ba base para a produção sustentada usando o conhecimento da floresta.$h[electronic resource]
260 $aRio Branco, AC: Embrapa Acre; Governo do Estado$c1999
300 $anão paginado
520 $aOs polos agroflorestais têm como objetivo proporcionar a inversão do processo de êxodo rural, buscando manter as famílias nas áreas de assentamento, favorecendo a geração de emprego e renda. Visam, ainda, a substituição do atual modelo de desenvolvimento, assegurando às gerações futuras a sustentabilidade necessária e uma melhor qualidade de vida. A utilização diversificada de culturas como frutíferas, hortaliças, leguminosas (adubação verde), essências florestais, culturas temporárias e criação de pequenos animais, aumentam a sustentabilidade ambiental do sistema de produção na diminuição do uso de produtos químicos, bem como a poluição dos solos e dos alimentos. A diversificação de culturas garante produção o ano todo, diminuindo os riscos de perda do produtor, além de permitir uma melhor distribuição de mão-de-obra ao longo do ano, em função das diferentes culturas e necessidades de manejo.
650 $aZoneamento Florestal
653 $aPolos agroflorestais
653 $aRecursos florestais
700 1 $aARAÚJO, E. A. de
700 1 $aSOUSA, M. de M. M.
700 1 $aFRANKE, I. L.
700 1 $aLUNZ, A. M. P.
700 1 $aANDRADE, E. P. de
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Registro original: |
Embrapa Acre (CPAF-AC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
02/07/2021 |
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Data da última atualização: |
29/04/2024 |
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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: |
CARDOSO, F. F.; MATIKA, O.; DJIKENG, A.; MAPHOLI, N.; BURROW, H. M.; YOKOO, M. J. I.; CAMPOS, G. S.; GULIAS GOMES, C. C.; RIGGIO, V.; PONG-WONG, R.; ENGLE, B.; PORTO-NETO, L.; MAIWASHE, A.; HAYES, B. J. |
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Afiliação: |
FERNANDO FLORES CARDOSO, CPPSUL; OSWALD MATIKA, UNIVERSITY OF EDINBURGH; APPOLINAIRE DJIKENG, UNIVERSITY OF EDINBURGH; NTANGANEDZENI MAPHOLI, UNIVERSITY OF SOUTH AFRICA; HEATHER M. BURROW, UNIVERSITY OF NEW ENGLAND; MARCOS JUN ITI YOKOO, CPPSUL; GABRIEL SOARES CAMPOS; CLAUDIA CRISTINA GULIAS GOMES, CPPSUL; VALENTINA RIGGIO, UNIVERSITY OF EDINBURGH; RICARDO PONG-WONG, UNIVERSITY OF EDINBURGH; BAILEY ENGLE, UNIVERSITY OF NEW ENGLAND; LAERCIO PORTO-NETO, CSIRO; AZWIHANGWISI MAIWASHE, AGRICULTURAL RESEARCH COUNCIL; BEN J. HAYES, UNIVERSITY OF QUEENSLAND. |
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Título: |
Multiple country and breed genomic prediction of tick resistance in beef cattle. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Frontiers in Immunology, v. 12, 620847, June 2021. |
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DOI: |
10.3389/fimmu.2021.620847 |
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Idioma: |
Inglês |
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Conteúdo: |
Ticks cause substantial production losses for beef and dairy cattle. Cattle resistance to ticks is one of the most important factors affecting tick control, but largely neglected due to the challenge of phenotyping. In this study, we evaluate the pooling of tick resistance phenotyped reference populations from multi-country beef cattle breeds to assess the possibility of improving host resistance through multi-trait genomic selection. Data consisted of tick counts or scores assessing the number of female ticks at least 4.5 mm length and derived from seven populations, with breed, country, number of records and genotyped/phenotyped animals being respectively: Angus (AN), Brazil, 2,263, 921/1,156, Hereford (HH), Brazil, 6,615, 1,910/2,802, Brangus (BN), Brazil, 2,441, 851/851, Braford (BO), Brazil, 9,523, 3,062/4,095, Tropical Composite (TC), Australia, 229, 229/229, Brahman (BR), Australia, 675, 675/675, and Nguni (NG), South Africa, 490, 490/490. All populations were genotyped using medium density Illumina SNP BeadChips and imputed to a common high-density panel of 332,468 markers. The mean linkage disequilibrium (LD) between adjacent SNPs varied from 0.24 to 0.37 across populations and so was sufficient to allow genomic breeding values (GEBV) prediction. Correlations of LD phase between breeds were higher between composites and their founder breeds (0.81 to 0.95) and lower between NG and the other breeds (0.27 and 0.35). There was wide range of estimated heritability (0.05 and 0.42) and genetic correlation (-0.01 and 0.87) for tick resistance across the studied populations, with the largest genetic correlation observed between BN and BO. Predictive ability was improved under the old-young validation for three of the seven populations using a multi-trait approach compared to a single trait within-population prediction, while whole and partial data GEBV correlations increased in all cases, with relative improvements ranging from 3% for BO to 64% for TC. Moreover, the multi-trait analysiswas useful to correct typical over-dispersion of the GEBV. Results from this study indicate that a joint genomic evaluation of AN, HH, BN, BO and BR can be readily implemented to improve tick resistance of these populations using selection on GEBV. For NG and TC additional phenotyping will be required to obtain accurate GEBV. Keywords: beef cattle, genomic selection, ticks, tropical adaptation, host resistance MenosTicks cause substantial production losses for beef and dairy cattle. Cattle resistance to ticks is one of the most important factors affecting tick control, but largely neglected due to the challenge of phenotyping. In this study, we evaluate the pooling of tick resistance phenotyped reference populations from multi-country beef cattle breeds to assess the possibility of improving host resistance through multi-trait genomic selection. Data consisted of tick counts or scores assessing the number of female ticks at least 4.5 mm length and derived from seven populations, with breed, country, number of records and genotyped/phenotyped animals being respectively: Angus (AN), Brazil, 2,263, 921/1,156, Hereford (HH), Brazil, 6,615, 1,910/2,802, Brangus (BN), Brazil, 2,441, 851/851, Braford (BO), Brazil, 9,523, 3,062/4,095, Tropical Composite (TC), Australia, 229, 229/229, Brahman (BR), Australia, 675, 675/675, and Nguni (NG), South Africa, 490, 490/490. All populations were genotyped using medium density Illumina SNP BeadChips and imputed to a common high-density panel of 332,468 markers. The mean linkage disequilibrium (LD) between adjacent SNPs varied from 0.24 to 0.37 across populations and so was sufficient to allow genomic breeding values (GEBV) prediction. Correlations of LD phase between breeds were higher between composites and their founder breeds (0.81 to 0.95) and lower between NG and the other breeds (0.27 and 0.35). There was wide range of estimated heritability (0.05 ... Mostrar Tudo |
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Thesagro: |
Carrapato; Gado de Corte; Genoma; Seleção. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/224266/1/Cardoso-FF-et-al-2021-Front.-Immunol.-12-620847.pdf
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Marc: |
LEADER 03347naa a2200337 a 4500
001 2132754
005 2024-04-29
008 2021 bl uuuu u00u1 u #d
024 7 $a10.3389/fimmu.2021.620847$2DOI
100 1 $aCARDOSO, F. F.
245 $aMultiple country and breed genomic prediction of tick resistance in beef cattle.$h[electronic resource]
260 $c2021
520 $aTicks cause substantial production losses for beef and dairy cattle. Cattle resistance to ticks is one of the most important factors affecting tick control, but largely neglected due to the challenge of phenotyping. In this study, we evaluate the pooling of tick resistance phenotyped reference populations from multi-country beef cattle breeds to assess the possibility of improving host resistance through multi-trait genomic selection. Data consisted of tick counts or scores assessing the number of female ticks at least 4.5 mm length and derived from seven populations, with breed, country, number of records and genotyped/phenotyped animals being respectively: Angus (AN), Brazil, 2,263, 921/1,156, Hereford (HH), Brazil, 6,615, 1,910/2,802, Brangus (BN), Brazil, 2,441, 851/851, Braford (BO), Brazil, 9,523, 3,062/4,095, Tropical Composite (TC), Australia, 229, 229/229, Brahman (BR), Australia, 675, 675/675, and Nguni (NG), South Africa, 490, 490/490. All populations were genotyped using medium density Illumina SNP BeadChips and imputed to a common high-density panel of 332,468 markers. The mean linkage disequilibrium (LD) between adjacent SNPs varied from 0.24 to 0.37 across populations and so was sufficient to allow genomic breeding values (GEBV) prediction. Correlations of LD phase between breeds were higher between composites and their founder breeds (0.81 to 0.95) and lower between NG and the other breeds (0.27 and 0.35). There was wide range of estimated heritability (0.05 and 0.42) and genetic correlation (-0.01 and 0.87) for tick resistance across the studied populations, with the largest genetic correlation observed between BN and BO. Predictive ability was improved under the old-young validation for three of the seven populations using a multi-trait approach compared to a single trait within-population prediction, while whole and partial data GEBV correlations increased in all cases, with relative improvements ranging from 3% for BO to 64% for TC. Moreover, the multi-trait analysiswas useful to correct typical over-dispersion of the GEBV. Results from this study indicate that a joint genomic evaluation of AN, HH, BN, BO and BR can be readily implemented to improve tick resistance of these populations using selection on GEBV. For NG and TC additional phenotyping will be required to obtain accurate GEBV. Keywords: beef cattle, genomic selection, ticks, tropical adaptation, host resistance
650 $aCarrapato
650 $aGado de Corte
650 $aGenoma
650 $aSeleção
700 1 $aMATIKA, O.
700 1 $aDJIKENG, A.
700 1 $aMAPHOLI, N.
700 1 $aBURROW, H. M.
700 1 $aYOKOO, M. J. I.
700 1 $aCAMPOS, G. S.
700 1 $aGULIAS GOMES, C. C.
700 1 $aRIGGIO, V.
700 1 $aPONG-WONG, R.
700 1 $aENGLE, B.
700 1 $aPORTO-NETO, L.
700 1 $aMAIWASHE, A.
700 1 $aHAYES, B. J.
773 $tFrontiers in Immunology$gv. 12, 620847, June 2021.
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Registro original: |
Embrapa Pecuária Sul (CPPSUL) |
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