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A exploração de algumas características agronômicas e morfológicas na seleção de Panicum maximum para condições silvipastoris. Repositório Alice
JANK, L.; GONTIJO NETO, M. M.; RESENDE, M. D. V. de; LAURA, V. A.; CALIXTO, S.; VALLE, C. B. do.
Tipo: Parte de livro Palavras-chave: Agrosilvopastoral systems; Brasil; Campo Grande; Feed crops; Feed grasses; Genetic parameters; Herdabilidade; Mato Grosso do Sul; Selection; Shading; Sistema silvipastoril; Sombra.; Lavoura; Pecuária; Agrossilvicultura; Gramínea Forrageira; Melhoramento Genético Vegetal; Panicum Maximum; Parâmetro Genético; Planta Forrageira; Seleção; Sombreamento.; Agroforestry; Brazil; Heritability; Plant breeding..
Ano: 2006 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/490895
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A exploração de algumas características agronômicas e morfológicas na seleção de Panicum maximum para condições silvipastoris. Repositório Alice
JANK, L.; GONTIJO NETO, M.; RESENDE, M. D. V.; LAURA, V. A.; CALIXTO, S.; RESENDE, R. M. S.; VALLE, C. B. do.
Sistemas silvipastoris são uma alternativa sustentável de produção animal e vegetal e sua utilização tem crescido nos últimos anos. Seu sucesso depende da identificação de gramíneas tolerantes ao sombreamento. Com o objetivo de avaliar parâmetros genéticos que possam determinar a seleção e o melhoramento de Panicum maximum, foi realizado um experimento na Embrapa Gado de Corte, em Campo Grande, MS, em vasos, com 25 genótipos promissores sob três níveis de sombreamento artificial (0, 50 e 70%). Foram realizados quatro cortes e avaliados as produções das matérias secas total e foliar e de raízes no último corte, porcentagem de folhas, altura das plantas, número de perfilhos e valores SPAD. Altas herdabilidades foram encontradas para numero de perfilhos,...
Tipo: Parte de livro Palavras-chave: Sistema silvipastoril; Herdabilidade; Sombra; Campo Grande; Mato Grosso do Sul; Brasil; Agrosilvopastoral systems; Selection; Genetic parameters; Feed crops; Feed grasses; Shading.; Agrossilvicultura; Gramínea Forrageira; Melhoramento Genético Vegetal; Panicum Maximum; Planta Forrageira; Parâmetro Genético; Seleção; Sombreamento.; Agroforestry; Brazil; Heritability; Plant breeding..
Ano: 2006 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/326561
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A new kabuli chickpea variety for Ethiopia Open Agri
Daba, K..
Palavras-chave: Chickpeas; Breeds (animals); Markets; Location; Tropical zones; Yields; Exports; Products; Supply; Selection.
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3232
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Adaptação de gramíneas forrageiras na Amazônia Oriental brasileira - Fase I. Repositório Alice
DIAS FILHO, M. B..
Tipo: Parte de livro Palavras-chave: Adaptação; Brasil; Feed grasses; Selection; Adaptation; Gramínea Forrageira; Seleção; Amazonia.
Ano: 1983 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/395281
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Adoption and Profitability of Breeding Technologies on United States Dairy Farms AgEcon
Khanal, Aditya R.; Gillespie, Jeffrey M..
Adoption decisions and profitability of advanced breeding technologies are analyzed for U.S. dairy farms. The bivariate probit with selection model is used. Results show that specialized, younger, more educated farmers with longer planning horizons are more likely to adopt the technologies, with positive impacts on profitability and negative influences on cost of production.
Tipo: Conference Paper or Presentation Palavras-chave: Breeding technologies; Dairy; Profitability; Bivariate probit; Selection; Artificial insemination; Sexed semen; Embryo transfer; Farm Management; Livestock Production/Industries; Production Economics; Research and Development/Tech Change/Emerging Technologies; Research Methods/ Statistical Methods.
Ano: 2011 URL: http://purl.umn.edu/98574
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Agronomic and nutritional evaluation of intraspecific crosses in Brachiaria decumbens. Repositório Alice
MENDONÇA, S. A.; BARRIOS, S. C. L.; FIGUEIREDO, U. J. de; ALVES, G. F.; VALLE, C. B. do.
Tipo: Artigo de periódico Palavras-chave: Selection; Forage breeding; Signalgrass.; Apomixis; Hybrids..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/974483
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Agronomic performance of quinoa selected in the Brazilian Savannah PAB
Spehar,Carlos Roberto; Santos,Roberto Lorena de Barros.
Twenty six breeding lines, selected from individual plant progenies of hybrids among varieties Amarilla de Marangani, Blanca de Junín, Chewecca, Faro 4, Improved Baer, Kancolla, Real, and Salares-Roja, had their agronomic characters evaluated, in Planaltina, DF, Brazil (15º36'S and 47º12'W), 1,000 masl, in randomized complete blocks, on a Ferralsol, previously limed and fertilized. Grain yield was positively associated with plant height, inflorescence length and diameter, and plant cycle. Genetic gain can be attained by selection based in these characters for commercial production of quinoa in tropical regions.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chenopodium quinoa; Breeding line; Selection; Yield; Cerrado.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2005000600012
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Agronomic performance of sugarcane families in response to water stress Bragantia
Silva,Marcelo de Almeida; Soares,Rogério Augusto Bremm; Landell,Marcos Guimarães de Andrade; Campana,Mário Pércio.
Water deficit is one of the major factors limiting the production of sugarcane, especially in areas where there is a prolonged period of water deficiency, such as the West Central Brazilian region. One way to overcome this problem is to cultivate resistant or tolerant varieties. An experiment was set up at the Jalles Machado Sugar Mill, located near Goianésia, Goiás State, Brazil, to evaluate agronomic performance of several sugarcane families. A comparative analysis was carried out among the families under two irrigation regimes, one under regular environmental conditions and another under monthly irrigations during the period of water deficiency. Evaluated families consisted of 25 progenies planted in a factorial design with three replications with 20...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Selection; Water deficit; Irrigation; Brix.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052008000300014
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Alternatives for analysis of performance data and ranking of Charolais x Nellore crossbred bulls in performance tests R. Bras. Zootec.
Toral,Fábio Luiz Buranelo; Alencar,Maurício Mello de.
It was evaluated alternatives for analysis of performance records and ranking of Charolais x Zebu crossbred bulls. Data of weight at six ages and average daily weight gain in eight periods of 883 21/32 Charolais + 11/32 Nellore bulls in performance tests were used. The direct additive genetic values were predicted in single trait analysis using animal models with classificatory fixed effects of contemporary groups and age of dam at calving and age of animal at weighing as linear covariable, depending on the trait. As random effects, it was considered the direct additive genetic effect, the permanent maternal environmental and residual effects for all traits. Phenotypic values adjusted for fixed effects included in the model of each trait were also...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crossbred bulls; Least square; Mixed models; Selection.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000700013
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Anti-predator response of Haliotis tuberculata is modified after only one generation of domestication ArchiMer
Roussel, Sabine; Bisch, T; Lachambre, S; Boudry, Pierre; Gervois, Jl; Lambert, Christophe; Huchette, S; Day, R.
Domestication of Haliotis tuberculata has only recently begun. During the process, we expect that behavioural and physiological traits may evolve to become more adapted to their captive environment. These modifications may result from intentional selection of production traits or unconscious and unintentional selection due to conditions experienced in the farm environment. To study this process at the earliest stage, the progeny of 3 different broodstocks obtained from wild parents, selected farmed abalone and randomly sampled farmed abalone, were studied. After rearing for 16 mo in separate tanks, offspring from the 3 progenies were placed together in sea cages at the same density. After 3 yr, behavioural traits were studied, and the immune status after a...
Tipo: Text Palavras-chave: Predation; Hiding behaviour; Haliotis tuberculata; Domestication; Selection; Captive; Abalone.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00487/59841/62989.pdf
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Aplicação do melhor predator linear não-viesado (BLUP) no método de seleção entre e dentro de progênies de meios irmãos na população de milho CMS-39. Repositório Alice
PACHECO, C. A. P.; RIBEIRO JUNIOR, J. I.; CRUZ, C. D..
Tipo: Parte de livro Palavras-chave: BLUP; SEDPMI; Maize; Selection; Method.; Método; Milho; Seleção; Zea Mays..
Ano: 1996 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/472836
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Apport d'un programme de génétique à une filière de production aquacole : l'exemple de l'ostréiculture ArchiMer
Lapegue, Sylvie; Bedier, Edouard; Goyard, Emmanuel; Degremont, Lionel; Baud, Jean-pierre; Gerard, Andre; Goulletquer, Philippe; Boudry, Pierre.
Two oyster species are currently present along the French coasts : the indigenous European flat oyster (Ostrea edulis), and the Pacific cupped oyster (Crassostrea gigas), that has been introduced from Japan since the beginning of the 70ies. The flat oyster successively suffered from two protozoan diseases during the 60ies and its production decreased from 20 000 tons/year by that time to 1 500 tons/year nowadays. Consequently, the oyster production is principally (99%) based upon the Pacific oyster species with approximately 150 000 tons/year among which 90% are grown from the natural spat. However, the hatchery production of this species is developing and was estimated to 400 to 800 millions spat in 2002. Moreover, strengthened relationships between...
Tipo: Text Palavras-chave: Growth; Selection; Genetic breeding; Genetic; Ostrea edulis; Crassostrea gigas; Oysters; Croissance; Sélection; Amélioration génétique; Génétique; Ostrea edulis; Crassostrea gigas; Huîtres.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2003/acte-3491.pdf
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Avaliação de forrageiras em estabelecimentos rurais de Uruará-PA, na fronteira agrícola da Amazônia. Repositório Alice
VEIGA, J. B. da; QUANZ, D.; CRUZ, E. D..
Tipo: Parte de livro Palavras-chave: Uruará; Pará; Brasil; Feed grasses; Feed legumes; Selection; Gramínea Forrageira; Leguminosa Forrageira; Seleção; Amazonia.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/394605
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Avaliação e aplicação de métodos de genotipagem para estudo da síndrome da musculatura dupla em bovinos da raça Senepol. Repositório Alice
URQUIZA, A. da S. C..
Em várias raças de bovinos de corte é observada a síndrome da musculatura dupla, caracterizada pela presença do fenótipo de hipertrofia muscular, sendo esta uma condição hereditária e controlada pelo gene GDF-8 (Growth Differentiation Factor-8). Em bovinos da raça Senepol, a mutação nt821, localizada no exon III deste gene, é responsável por esta síndrome. Neste contexto, os objetivos deste trabalho foram avaliar três metodologias de genotipagem desta mutação, com o intuito de verificar qual a mais adequada em relação a custo/benefício e verificar a associação do alelo mutado com características de interesse econômico em touros jovens da raça Senepol. Foram extraídos DNA genômico de amostras biológicas de 17 bezerros, sendo sete com o fenótipo da...
Tipo: Teses Palavras-chave: Gene GDF-8; Sequenciamento; Selection; Hipertrofia muscular; Mutação; Seleção; Gado de corte; Fenotipo; Mutation; Sequence analysis.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1082405
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Avaliação fenotípica, genotípica e desempenho de estabilidade em cultivares de bananeiras no Amapá. Repositório Alice
YOKOMIZO, G. K.-I.; DIAS, J. do S. A.; DUARTE, J. B..
Os objetivos deste trabalho foram verificar a estabilidade, as correlações e os parâmetros fenotípicos e genotípicos nas cultivares Fhia-1, Fhia-18, PV-0344, Thap Maeo e Caipira em características vegetativas, produtivas e de desenvolvimento da Sigatoka-negra. Após três ciclos os resultados indicaram presença de maior contribuição genética nas características avaliadas, exceto em severidade da doença na décima folha (SEV10), folha mais jovem infectada e número de folhas viáveis (NFV), com maior contribuição ambiental e da interação genótipos com anos; plantas mais vigorosas e desenvolvidas demonstraram ser mais produtivas, pois apresentaram correlações entre as características vegetativas e de produção positivas, enquanto as com SEV10 foram negativas....
Tipo: Artigo de periódico Palavras-chave: Estabilidade de Wricke; Wricke stability; Selection; Tropical fruit; Breeding method; Variety.; Variedade; Fruta tropical; Seleção; Método de melhoramento.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1060688
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Biochemical Profile of Serbian Youth National Soccer Teams International Journal of Morphology
Joksimovic,Aleksandar; Jezdimirovic,Marko; Smajic,Miroslav; Stankovic,Daniel; Popovic,Stevo; Tomic,Bogdan.
The aim of the present study was to determine biochemical profile of youth national soccer teams and to compare the values of nine biochemical parameters between three Serbian youth national teams (under 14, 15 and 16 years old), as well as between soccer players and non-athletes. Eighty young soccer players and thirty non-athletes participated in the study. Nine biochemical parameters (glucose, cholesterol, triglycerides, urea, creatinine, total bilirubin, AST (SGOT), ALT (SGPT), iron) were measured. In order to determine the significance of differences between the groups on a multivariate level a multivariate analysis of variance (MANOVA) was administered, and to test the differences between the groups on an univariate level a univariate analysis of...
Tipo: Journal article Palavras-chave: Biochemical parameters; Selection; Differences; Youth soccer.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200013
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Body chemical composition, tissue deposition rates and gain composition of young Nellore cattle selected for postweaning weight R. Bras. Zootec.
Bonilha,Eduardo Figueiredo Martins; Branco,Renata Helena; Bonilha,Sarah Figueiredo Martins; Araújo,Fabiana Lana de; Cyrillo,Joslaine Noely dos Santos Gonçalves; Magnani,Elaine.
Empty body and carcass chemical composition were determined in 67 Nellore bulls from Selection Nellore (NeS) and Control Nellore (NeC) herds of an animal breeding program for growth, slaughtered at 570 days of average age, after 100 days of feedlot. Selection Nellore animals had, respectively, 360 and 430 kg of initial and slaughter body weight, and NeC animals had 318 and 373 kg for the same traits. Animals were slaughtered and empty body composition was determined by chemical analysis of the components blood, hide, head and feet, viscera and carcass. Tissue deposition rates and gain chemical composition were also determined based on gains estimated by comparative slaughter technique. Significant differences were detected between NeS and NeC animals for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bos indicus; Efficiency; Fat; Protein; Selection; Weight gain.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000400175
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Bradyrhizobium spp. Strains in Symbiosis with Pigeon Pea cv. Fava-Larga under Greenhouse and Field Conditions Rev. Bras. Ciênc. Solo
Rufini,Márcia; Oliveira,Dâmiany Pádua; Trochmann,André; Soares,Bruno Lima; Andrade,Messias José Bastos de; Moreira,Fatima Maria de Souza.
ABSTRACT: Optimization of symbiosis between nitrogen-fixing bacteria and legumes has been extensively studied, seeking agricultural sustainability. To evaluate the symbiotic efficiency of nitrogen-fixing bacterial strains belonging to the Bradyrhizobium genus with pigeon pea (Cajanus cajan (L.) Millsp.) cv. Fava-Larga, experiments were conducted in Leonard jars (axenic conditions), pots with soil, and in the field. Ten strains were tested in Leonard jars, and three strains, in addition to BR 29, were selected according to their ability to promote the growth of pigeon pea, for further tests in pots with different soil types (Inceptsol and Oxisol) and in the field (Oxisol). Treatments were compared with strains BR 2003 and BR 2801 (approved as inoculants for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cajanus cajan; Inoculant; Biological nitrogen fixation; Selection.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832016000100432
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Breeding Calabrian pepper lines for Brazilian agriculture from sui generis introduction of germplasm Horticultura Brasileira
Ribeiro,Claudia SC; Soares,Renato S; Gomes,Lucas M; Coelho,Lucas GF; Reifschneider,Francisco JB.
ABSTRACT Few Calabrian pepper cultivars (C. annuum and C. baccatum) are available in the Brazilian market, and among these, only BRS Mari (C. baccatum) was developed in Brazil, by Embrapa. This work aimed to report on the introduction of germplasm in a sui generis way and the initial results of Calabrian pepper breeding at Embrapa Vegetables. Original population was obtained through separation of seeds found in dehydrated Calabrian pepper flakes imported from India. The breeding method was individual selection of plants with progeny test and three generations of selection and self-pollination were advanced. Ten plants were obtained from the original seeds, which were self-pollinated and originated 87 S1 plants. Out of these, seeds of 73 S1 plants were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capsicum annuum; Selection; Pepper flakes; Pepperoncino..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362017000200195
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Breeding objectives and economic values for traits of low input family-based beef cattle production system in the State of Rio Grande do Sul R. Bras. Zootec.
Laske,Carlos Henrique; Teixeira,Bruno Borges Machado; Dionello,Nelson José Laurino; Cardoso,Fernando Flores.
The objectives of this study were to define breeding objectives and derive economic weights for production traits in family-based beef cattle systems, assess the sensitivity of these weights to changes in market and husbandry indicators and estimate the expected genetic changes in the selection criteria proposed. Based on data from the production systems, farms revenues and expenses, obtained from interviews and meetings with producers, a bioeconomic model was derived, relating biological traits of animals with the financial result of the production system based on calf-crop, selling male calves and culling cows for finishing. Traits considered in the model as breeding goals were weaning rate, weaning weight and cow weight. The economic weights, obtained...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Breeding objectives; Economic weights; Selection; Smallholders.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000200010
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