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Registros recuperados: 8
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Associations among growth, scrotal circumference, and visual score of beef cattle in performance tests on pasture or in feedlots R. Bras. Zootec.
Raidan,Fernanda Santos Silva; Tineo,Juan Salvador Andrade; Moraes,Mariana Mamedes de; Escarce,Thiago Campos; Araújo,Andresa Eva Melo de; Gomes,Muller Marques de Carvalho; Ventura,Henrique Torres; Toral,Fabio Luiz Buranelo.
ABSTRACT This study aimed to evaluate associations among final weight (FW), average daily gain (ADG), scrotal circumference (SC), and visual score (VS) of beef cattle in performance tests on pasture or in feedlots. Genetic parameters for FW, ADG, SC, and VS of young Nellore bulls performance-tested on pasture or in feedlots were evaluated by mixed model. The performance test and final age were considered as fixed effects and additive genetic and residual effects were considered as random effects. Additive genetic and residual variances for final weight and average daily gain were smaller on pasture than in feedlots. There was no difference between genetic and residual variances and heritability for scrotal circumference on pasture or in feedlots. Genetic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bos indicus; Genetic correlation; Heritability; Phenotypic selection.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000400309
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Detection of a novel quantitative trait locus for cold tolerance at the booting stage derived from a tropical japonica rice variety Silewah OAK
Mori, Masahiko; Onishi, Kazumitsu; Tokizono, Yoshiro; Shinada, Hiroshi; Yoshimura, Toru; Numao, Yoshinori; Miura, Hideho; Sato, Takashi; 大西, 一光; 三浦, 秀穂.
Cold stress at the booting stage in rice induces spikelet sterility because of aberrant microspore development, which often seriously damages seed production. Some breeding lines with high cold tolerance were developed by using tropical japonica variety Silewah as a donor of cold tolerance; however, the genetic factors that confer cold tolerance of this variety have not been comprehensively analyzed. In this study, phenotypic and molecular characterization of novel cold-tolerant strains derived from crosses with Silewah was performed to identify quantitative trait loci (QTLs) responsible for cold tolerance. Molecular marker analysis revealed that 2 cold-tolerant strains carried chromosomal segments of Silewah at the same genomic regions on chromosomes 3, 4...
Palavras-chave: Oryza sativa; Cold tolerance; Booting stage; QTL; Phenotypic selection; Marker-assisted selection; Exotic germplasm.
Ano: 2011 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3040
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Multivariate analysis using morphometric and ultrasound information for selection of tilapia (Oreochromis niloticus) breeders R. Bras. Zootec.
Oliveira,Sheila Nogueira de; Ribeiro,Ricardo Pereira; Oliveira,Carlos Antonio Lopes de; Lopera-Barrero,Nelson Mauricio; Borquis,Rusbel Raul Aspilcueta; Zardin,Aline Mayra da Silva Oliveira; Souza,Felipe Pinheiro de; Poveda-Parra,Angela Rocio.
ABSTRACT This study evaluated morphometric and ultrasound information of tilapia (O. niloticus) breeders through multivariate analysis. We applied correlation, clustering, and principal component analysis to a dataset composed of information from 222 male and female breeders of the improved GIFT strain. The body weight, objective of the breeding program, showed a high positive correlation with most of the morphometric parameters. The formation of clusters indicated characteristics responsible for muscle composition and carcass weight. Some characteristics showed a high correlation, such as body weight and fillet weight (0.98 and 0.94 for females and males, respectively), and a high contribution to the explanation of data variability; of the total...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture; Breeding; Fish farming; Oreochromis sp.; Phenotypic selection.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100151
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Parametros geneticos em progenies de polinizacao livre de acerola. Repositório Alice
PAIVA, J.R. de; PAIVA, W.O. de; CORDEIRO, E.R.; SABRY NETO, H..
A acerola (Malpighia emarginata D.C.) e uma cultura que vem despertando grande interesse por parte de consumidores, produtores, industriais e exportadores, dado o seu alto teor de vitamina C. No Brasil, nao existem variedades recomendadas para o plantio comercial; por essa razao, os dados de producao sao muitos variaveis. O presente trabalho visa estimar e interpretar geneticamente a porcao de variabilidade existente quanto a alguns caracteres, em uma populacao de plantulas de aceroleira obtidas de sementes, originalmente selecionadas em plantio comercial no Estado do Ceara. O experimento foi instalado no local definitivo em abril/96, na Estacao Experimental da Embrapa-Centro Nacional de Pesquisa de Agroindustria Tropical (CNPAT), no municipio de Pacajus,...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Malpighia emarginata; Variabilidade genetica; Selecao fenotipica; Genetic variability; Phenotypic selection.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/handle/doc/95192
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Participation frequency and performance of horses in national shows of Campolina and Mangalarga Marchador breeds R. Bras. Zootec.
Nascimento,Caline Angélica de Menezes Sá; Gonzaga,Iaçanã Valente Ferreira; Santiago,Juliano Martins; Silva,Andreza Correia da; Melo,Daniel Anderson de Souza; Lima,Diogo Luiz dos Santos; Pinto,Ana Paula Gomes; Lucena,Jorge Eduardo Cavalcante.
ABSTRACT This study aimed to determine the participation frequency and competitive performance of Campolina and Mangalarga Marchador horses in national shows concerning marcha type, sex, and age. To that end, the trial results of national horse shows between 2007 and 2017, comprising 1,781 Campolina and 5,239 Mangalarga Marchador animals, were extracted from the databases of the breeders’ associations of each breed. The results regarding participation frequency in these events and the performance achieved by horses were grouped by breed, marcha type, sex, and age group and then subjected to frequency distribution tests. In both breeds, most animals attended only one national show. However, when the specimens were separated by marcha type, sex, and age, it...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Equine; Morphometry; Phenotypic selection.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100527
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Predição do rendimento e do peso do filé da tilápia-do-Nilo - doi: 10.4025/actascianimsci.v33i3.10838 Animal Sciences
Pires, Aldrin Vieira; UFVJM; Pedreira, Marcelo Mattos; UFVJM; Pereira, Idalmo Garcia; UFVJM; Fonseca Júnior, Armando da; Bioalevinus; Araújo, Cláudio Vieira; UFMT; Silva, Larissa Hélida da Silva e; FAESA.
A criação de tilápia-do-Nilo (Oreochromis niloticus) e o seu filé apresentam um mercado vigoroso e expansão no Brasil e no mundo. Portanto, um modelo de regressão obtido a partir de parâmetros corporais externos, de fácil observação, que prediga o rendimento e o peso do filé possibilita selecionar indivíduos com maior potencial produtivo. Objetivou-se com este trabalho obter um modelo que permita predizer o rendimento e o peso do filé, baseado em medidas morfométricas e do peso. Foram avalidos 890 indivíduos dos quais os caractéres mensurados foram: comprimento total (CT), comprimento-padrão (CP), comprimento da cabeça (CC) e do tronco (CTR), altura da cabeça (AC1), altura lombar (AL), altura caudal (AC2), espessura lombar (EL) e caudal (EC), peso corporal...
Tipo: Pesquisa de campo Palavras-chave: 5.06.03.00-0 // 5.06.03.04-3 Oreochromis niloticus; Relações morfométricas; Seleção fenotípica Oreochromis niloticus; Morphometric relationships; Phenotypic selection.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/10838
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Principal component and biplot analysis in the agro-industrial characteristics of Anacardium spp. Repositório Alice
MAIA, M. C. C.; ALMEIDA, A. da S.; ARAUJO, L. B. de; DIAS, C. T. dos S.; OLIVEIRA, L. C. de; YOKOMIZO, G. K. I.; ROSADO, R. D. S.; CRUZ, C. D.; VASCONCELOS, L. F. L.; LIMA, P. S. da C.; MACEDO, L. M..
The cajuí Anacardium spp., which is similar to the caju Anacardium Ocidentale L., is a species adapted to edaphic-climatic conditions of the biome Cerratinga (Cerrado e Caatinga). Its fruit is composed of one swollen stalk (pedicel) which is formed by nutritional reserves rich in vitamin C and drupe (cashew nut). It is also rich in protein and lipids, but with smaller size. This paper focuses on investigating the applicability of the biplot graphical analysis in the process of selective breeding of cajuí population. The cajuí working population in Embrapa Meio Norte comprises of 11 genotypes collected in areas of natural habitat in the state of Piaui. The experiment was designed in randomized complete blocks with two plants per plot and four replications....
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Fitomejoramiento; Análisis de multivarianza; Variación genética; Correlación genotipo-fenotipo; Phenotypic selection; Selección fenotípica; Cajuí; Melhoramento Genético Vegetal; Variação Genética; Seleção Fenótipa; Anacardium; Plant breeding; Genetic variation; Genotype-phenotype correlation.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1116339
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Principal component and biplot analysis in the agro-industrial characteristics of Anacardium spp. Repositório Alice
MAIA, M. C. C.; ALMEIDA, A. da S.; ARAUJO, L. B. de; DIAS, C. T. dos S.; OLIVEIRA, L. C. de; YOKOMIZO, G. K. I.; ROSADO, R. D. S.; CRUZ, C. D.; VASCONCELOS, L. F. L.; LIMA, P. S. da C.; MACEDO, L. M..
The cajuí Anacardium spp., which is similar to the caju Anacardium Ocidentale L., is a species adapted to edaphic-climatic conditions of the biome Cerratinga (Cerrado e Caatinga). Its fruit is composed of one swollen stalk (pedicel) which is formed by nutritional reserves rich in vitamin C and drupe (cashew nut). It is also rich in protein and lipids, but with smaller size. This paper focuses on investigating the applicability of the biplot graphical analysis in the process of selective breeding of cajuí population. The cajuí working population in Embrapa Meio Norte comprises of 11 genotypes collected in areas of natural habitat in the state of Piaui. The experiment was designed in randomized complete blocks with two plants per plot and four replications....
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Fitomejoramiento; Análisis de multivarianza; Variación genética; Correlación genotipo-fenotipo; Phenotypic selection; Selección fenotípica; Cajuí; Melhoramento Genético Vegetal; Variação Genética; Seleção Fenótipa; Anacardium; Plant breeding; Genetic variation; Genotype-phenotype correlation.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113665
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