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Registros recuperados: 10
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Autocorrelação espacial e descontinuidades genéticas em bovinos Pantaneiro e Curraleiro Pé-Duro: uma abordagem da genética geográfica com uso de marcadores SNP. Repositório Alice
SILVA, M. C.; MATIKA, O.; BISHOP, S. C.; PEREIRA, R. M.; MOURA, M. I.; McMANUS, C. M.; FIORAVANTI, M. C. S.; JULIANO, R. S.; SERENO, J. R. B..
2015
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Algoritmo de monmonier; Conservação genetica; Distograma; Bovino; Genética; Animal genetic; Cattle.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1027789
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Competitiveness levels in cattle herd farms. Repositório Alice
MARQUES, P. R.; BARCELLOS, J. O. J.; DILL, M. D.; DIAS, E. A.; AZEVEDO, E. V. T.; LAMPERT, V. do N.; McMANUS, C. M..
2015
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bovino.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1001750
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Genetic parameters for linear type traits and milk, fat, and protein production in holstein cows in Brazil. Repositório Alice
CAMPOS, R. V.; COBUCI, J. A.; KERN, E. L.; COSTA, C. N.; McMANUS, C. M..
The objective of this study was to estimate genetic and phenotypic parameters for linear type traits, as well as milk yield (MY), fat yield (FY) and protein yield (PY) in 18,831 Holstein cows reared in 495 herds in Brazil. Restricted maximum likelihood with a bivariate model was used for estimation genetic parameters, including fixed effects of herd-year of classification, period of classification, classifier and stage of lactation for linear type traits and herd-year of calving, season of calving and lactation order effects for production traits. The age of cow at calving was fitted as a covariate (with linear and quadratic terms), common to both models. Heritability estimates varied from 0.09 to 0.38 for linear type traits and from 0.17 to 0.24 for...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Dairy Cattle; Functional Trait; Genetic Correlation; Heritability; Selection.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1033399
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Georeferenced evaluation of genetic breeding value patterns in Brazilian Holstein cattle. Repositório Alice
COSTA, N. S.; HERMUCHE, P.; COBUCI, J. A.; PAIVA, S. R.; GUIMARÃES, R. F.; CARVALHO JÚNIOR, O. A.; GOMES, R. A. T.; COSTA, C. N.; McMANUS, C. M..
2014
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Conformation; Environment; Feet and legs; Type traits; Milk production; Udder.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1011315
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Grazing intensity and stocking methods on animal production and methane emission by grazing sheep: implications for integrated crop-livestock system. Repositório Alice
SAVIAN, J. V.; BARTH NETO, A.; DAVID, D. B. de; BREMM, C.; SCHONS, R. M. T.; GENRO, T. C. M.; AMARAL, G. A. do; GERE, J.; McMANUS, C. M.; BAYER, C.; CARVALHO, P. C. de F..
2014
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Ovino; Efeito estufa; Gas; Metano.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/987863
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Infrared thermography as a method for evaluating the heat tolerance in dairy cows. Repositório Alice
DALTRO, D. dos S.; FISCHER, V.; ALFONZO, E. P. M.; DALCIN, V. C.; STUMPF, M. T.; KOLLING, G.; SILVA, M. V. G. B.; McMANUS, C. M..
bitstream/item/167049/1/Cnpgl-2017-RevBrasZoot-Infrared.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Animal welfare; Dairy cattle; Thermal comfort; Thermographic images.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1080192
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Relationship between physical attributes and heat stress in dairy cattle from different genetic groups. Repositório Alice
ALFONZO, E. P.; SILVA, M. V. G. B.; SANTOS, D. D. dos; STUMPF, M. T.; DALCIN, V. C.; KOLLING, G.; FISCHER, V.; McMANUS, C. M..
Dairy cattle raised under harsh conditions have to adapt and prevent heat stress. The aim of this study was to evaluate physical characteristics and their association with heat tolerance in different genetic groups of dairy cattle. Thickness of the skin and coat, length and number of hairs, body measurements, as well as physiological parameters and body temperatures by infrared thermography were determined in 19 Holstein and 19 Girolando (½ and ¾ Holstein) cows. The Holstein cattle were less tolerant to heat stress than Girolando (GH50 and GH75 Holstein), because of the difficulty in dissipating heat due to the larger body size, as well as thicker and longer hairs. The correlations between physical characteristics, physiological parameters, and...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Coat and cows; Thermography; Tolerance.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1037406
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Spatialization of climate, physical and socioeconomic factors that affect the dairy goat production in Brazil and their impact on animal breeding decisions. Repositório Alice
LOPES, F. B.; SILVA, M. C. da; MIYAGI, E. S.; FIORAVANTI, M. C. S.; FACO, O.; GUIMARÃES, R. F.; CARVALHO JÚNIOR, O. A. de; McMANUS, C. M..
Abstract: Brazil has high climate, soil and environmental diversity, as well as distinct socioeconomic and political realities, what results in differences among the political administrative regions of the country. The objective of this study was to determine spatial distribution of the physical, climatic and socioeconomic aspects that best characterize the production of dairy goats in Brazil. Production indices of milk per goat, goat production, milk production, as well as temperature range, mean temperature, precipitation, normalized difference vegetation index, relative humidity, altitude, agricultural farms; farms with native pasture, farms with good quality pasture, farms with water resources, farms that receive technical guidance, family farming...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Programa de melhoramento genético; Espacialização; Brasil; Spatialization; Caprino; Cabra leiteira; Genética animal; Melhoramento genético animal; Produção leiteira; Leite; Método estatístico; Breeding; Goats; Goat milk; Multivariate analysis; Cluster sampling; Brazil.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/941162
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Validation of a low density SNP panel for breed certification testing in Brazilian sheep (Ovis aries) breeds as a tool for flock genetic management. Repositório Alice
PAIVA, S. R.; VIEIRA, F. D.; YAMAGISHI, M. E. B.; LACERDA, T. S.; VASCONCELOS, C.; TANNO, P.; HIGA, R. H.; McMANUS, C. M.; CARNEIRO, P. L.; AZEVEDO, H. C.; FACO, O.; SOUZA, C. J. H.; ARAUJO, A. M.; MARTINS, V. M. V.; CAETANO, A..
Sheep production activities are growing rapidly in Brazil and are based on locally adapted breeds in addition to commercial breeds available internationally. Contemporary methods for genetic management of flocks are in high demand and motivated the work for development of a SNP-based marker panel useful for breed certification, parentage testing and individual identification purposes.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Certificação da raça de ovelhas; Polimorfismo de nucleotídeo único; Gerenciamento de rebanho genético; Certification; Single nucleotide polymorphism; Sheep.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/913421
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Validation of a microsatellite panel for parentage testing of locally adapted and commercial goats in Brazil. Repositório Alice
SILVA, E. C. da; McMANUS, C. M.; GUIMARÃES, M. P. S. L. M. de P.; GOUVEIA, A. M. G.; FACO, O.; PIMENTEL, D. M.; CAETANO, A. R.; PAIVA, S. R..
Abstract: Brazilian goats are generally kept in small herds and extensive rearing systems, mainly in the northeastern region of the country. Despite production improvement in recent years, the lack of pedigree control has affected genetic progress. This study aimed to validate a panel of 16 microsatellites for parentage testing in locally adapted and commercial goats breeds raised in Brazil, as well as to compare its efficiency with the panel recommended by the Brazilian Ministry of Agriculture, Livestock and Supplies (MAPA) in 2004. The number of alleles and expected heterozygosity (He) per marker ranged from four to 18, and from 0.051 to 0.831, respectively. Using all markers, 100% of parentage cases of the validation dataset were resolved with a strict...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Parentage errors; Erros de parentesco; Microsatélite; Genética animal; Caprino; Marcador genético; Recurso genético; Consanguinidade; Animal genetic resources; Animal breeding; Parentage; Microsatellites; Molecular markers; Goats.
Ano: 2014 URL: http://dx.doi.org/10.1590/S1415-47572014000100010
Registros recuperados: 10
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