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Found 3098 items.

  • Genetic parameters and trends for litter size in Markhoz goats

    Ramin Abdoli, Pouya Zamani, Seyed Ziaeddin Mirhoseini, Navid Ghavi Hossein-Zadeh, Mohamad Almasi
    58-63
    2019-03-27
    |Abstract
    = 303 veces | PDF
    = 215 veces|
    ... ), as a prolificacy trait of Markhoz goat does. Methods: The study was conducted using kidding records of 3,064 : Se utilizaron registros de partos de 3.064 hembras Markhoz, de 1992 a 2015. Los parámetros genéticos foi realizado usando registros de parto de 3.064 Markhoz entre 1992 e 2015. Os parâmetros genéticos trends (heads/kidding/year) for litter size (LS) of Markhoz goats. Genetic trend ± SE Phenotypic trend ..."
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  • Genetic parameters for ultrasound-evaluated carcass and body traits in Anglo-Nubian goats

    Luiz A. S. Figueiredo-Filho, José L. R. Sarmento, José E. G. Campelo, Natanael P. S. Santos, Luciano S. Sena, Tatiana S. Torres
    40-50
    2020-06-26
    |Abstract
    = 564 veces | PDF
    = 473 veces|
    ... Background: Meat goat breeding programs should prioritize the identification and selection de (co)varianza y parámetros genéticos para características de canal obtenidas por ultrasonografía e seleção de animais geneticamente superiores para características relacionadas à qualidade da carne /udea.rccp.v34n1a04 Genetic parameters for ultrasound-evaluated carcass and body traits in Anglo-Nubian goats ..."
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  • Genetic evaluation of survival and productivity traits in Arman crossbred sheep

    Mohammad Mahdi Shariati, Saeed Zerehdaran, Fatemeh Pourbayramian, Shokoufeh Hasanvand, Kourosh Mohammadi
    83-92
    2018-06-20
    |Abstract
    = 161 veces | PDF
    = 142 veces|
    ... phenotypic variation; therefore, improvement of non-genetic factors should be included in the breeding genéticos por máxima verosimilitud restringida a través de doce modelos animales para la sobrevivencia , Ghezel, Chios e Suffolk. Objetivo: Estimar os componentes de (co)variância e parâmetros genéticos obtained by Rashidi et al. (2011) in Markhoz goats. The correlation between direct and maternal genetic ..."
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  • Reproductive disorders in Portuguese Serrana goats and its effects on milk production

    João Simões, Alda F. A. Pires
    64-71
    2018-03-21
    |Abstract
    = 153 veces | PDF
    = 80 veces|
    ... Background: Abortions and parturitions with stillbirths are frequent in goat herds. However , there is seasonality to parturition in goats, and recording errors may be more common during the kidding season due ..."
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  • Estimation of heritability and genetic correlations in morphological and physiological traits for a population of Zamia obliqua A.Br. (Zamiaceae: Cycadales)

    Natalia Gómez-Lopera, Cristina López-Gallego
    137-148
    2017-10-18
    |Abstract
    = 0 veces | PDF (ESPAÑOL (ESPAÑA))
    = 0 veces|
    ... values are higher for morphological than for physiological traits, and that phenotypic and genetic de la magnitud de variabilidad genética y las correlaciones genéticas en los rasgos, y estos parámetros genéticos phenotypic and genetic correlations are larger within than between trait categories. Phenotypic variance ..."
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  • Genética y mejoramiento

    63-82
    2021-12-06
    |Abstract
    = 169 veces | PDF (ESPAÑOL (ESPAÑA))
    = 506 veces|
    ... animal adecuado en la estimación de parámetros genéticos para peso a los cuatro meses en la raza ..."
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  • Variance components and genetic parameters for milk production of Holstein cattle in Antioquia (Colombia) using random regression models

    Ana C Herrera, Oscar D Múnera, Mario F Cerón-Muñoz
    90-97
    2013-06-18
    |Abstract
    = 46 veces | PDF
    = 20 veces| | HTML
    = 24 veces|
    ... the residual variances. The variance for the animal genetic, phenotypic, permanent environment, and residual for the animal genetic, phenotypic, permanent environment, and residual effects decreased as days increased kinds of days were used to model the residual variances. The variance for the animal genetic, phenotypic ..."
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  • Sources of bias in genetic association studies of cattle: a review

    José L. Zepeda Batista, María I. Carrillo Díaz, Luis A. Saavedra Jiménez
    256-266
    2018-12-07
    |Abstract
    = 119 veces | PDF
    = 116 veces|
    ... Background: Genetic association studies have been increasingly used in cattle breeding programs Antecedentes: Los estudios de asociación genética son cada vez más usados en los programas Antecedentes: Nos programas de criação de bovinos, os estudos de associação genética têm sido cada 2016; 11(7):1-13 e0158165. Poulsen NA, Buitenhuis AJ, Larsen LB. Phenotypic and genetic ..."
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  • Sostenibilidad y competitividad de sistemas de producción de pequeños rumiantes

    Abner A Rodríguez Carías
    278-283
    2013-11-08
    |Abstract
    = 319 veces | PDF
    = 201 veces|
    ... for the production of food for human consumption, the benefits of small ruminant production, genotypic and phenotypic production, genotypic and phenotypic differences between goats and sheep, and the status of the world’s ..."
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  • Growth and pre-weaning mortality of Katahdin lamb crosses

    Miguel Mellado, Ulises Macías, Leonel Avendaño, Jesús Mellado, José Eduardo García
    288-295
    2016-10-14
    |Abstract
    = 232 veces | PDF
    = 168 veces| | HTML
    = 58 veces|
    ... breeds is limited. Objective: to evaluate the genetic and non-genetic factors affecting growth entre Katahdin y otras razas productoras de carne es limitada. Objetivo: evaluar factores genéticos entre Katahdin e outras raças de carne é ainda limitada. Objetivo: avaliar os fatores genéticos e não-genéticos genetic and phenotypic correlation with feed efficiency (Cammack et al., 2005). Pre-weaning ADG characteristic in the breeding of mutton sheep. In addition, this trait has a high genetic and phenotypic ..."
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  • Subjet index for Volume 31, 2018

    Revista Colombiana de Ciencias Pecuarias
    324-325
    2018-12-07
    |Abstract
    = 62 veces | PDF
    = 20 veces|
    ... ):256-266. Genetic mapping; 31(1):45-58. Genetics; 31(4):315-319. Goats; 31(3):165-179. Grassland ..."
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  • Marfan syndrome, new mutations of the FBN1 gene

    Juan Sebastian Muñoz, Wilmar Saldarriaga Gil, Carolina Isaza de Lourido
    206-215
    2014-03-27
    |Abstract
    = 0 veces | PDF (ESPAÑOL (ESPAÑA))
    = 0 veces|
    ... and interfamilial phenotypic variability, typical   of the syndrome, occurs by the association of other mutations intrafamilial and interfamilial phenotypic variability, characteristic of the syndrome, occurs by the phenotypic variability, characte- ristic of the syndrome, occurs by the association of other mutations called ..."
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  • Estimation of genetic parameters for test-day milk yield in first calving buffaloes

    Naudin A Hurtado-Lugo, Severino C de Souza, Rúsbel R Aspilcueta, Swammy Y Gutiérrez, Mario F Cerón-Muñoz, Humberto Tonhati
    177-185
    2013-09-25
    |Abstract
    = 60 veces | PDF
    = 16 veces| | HTML
    = 15 veces|
    ... and to estimate genetic parameters. Objective: to estimate the genetic parameters by modeling the additive genetic ORIGINAL ARTICLES   Estimation of genetic parameters for test-day milk yield in first calving , additive genetic, permanent environmental and phenotypic variances were greater at the beginning ..."
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  • Genetic structure analysis of a Holstein cow population in Colombia

    Julián Echeverri, Clara I Saldamando, Albeiro López-Herrera
    54-63
    2015-02-04
    |Abstract
    = 43 veces | PDF
    = 27 veces| | HTML
    = 19 veces|
    ... Summary Background: genetic improvement in Colombia is limited by the lack of phenotypical ARTICLE   Genetic structure analysis of a Holstein cow population in Colombia¤   Análisis de articles Genetic structure analysis of a Holstein cow population in Colombia¤ Análisis de la estructura ..."
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  • Genética y mejoramiento

    . Abstracts
    435-452
    2016-07-29
    |Abstract
    = 138 veces | PDF
    = 230 veces| | HTML
    = 616 veces|
    ... medio de marcadores microsatélites * Genetic characterization of goat population in Antioquia using marcadores microsatélites* Genetic characterization of goat population in Antioquia using microsatellite ..."
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  • Epileptic channelopathies

    Jaime Carrizosa Moog, José William Cornejo Ochoa
    pág. 228-239
    2003-03-09
    |Abstract
    = 0 veces | PDF (ESPAÑOL (ESPAÑA))
    = 0 veces|
    ... Thies an up to date review of the genotypic and phenotypic characteristics of epileptic en genética han permitido la identificación y secuen- ciación de los genes y mutaciones de varios canales ..."
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  • Growth Curves and Genetic Parameters in Colombian Buffaloes (Bubalus bubalis Artiodactyla, Bovidae)

    Divier A. Agudelo Gómez, Naudín A. Hurtado Lugo, Mario Fernando Cerón Muñoz
    178-188
    2009-07-13
    |Abstract
    = 66 veces | PDF
    = 46 veces|
    ... 75% and β0 were 0.39, 0.15, 0.09, 0.20 and 0.09, respectively. The genetic correlation for β0 and WY 75% and β0 were 0.39, 0.15, 0.09, 0.20 and 0.09, respectively. The genetic correlation for β0 and WY For production system B, heritabilities and genetic, phenotypic and environmental correlations for WW, WY, β ..."
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  • Aspectos moleculares de la enfermedad de Alzheimer

    Andrés Villegas, Gabriel Bedoya Berrío
    pág. 88-88
    1997-02-15
    |Abstract
    = 0 veces | PDF (ESPAÑOL (ESPAÑA))
    = 0 veces|
    ... Statistical Manual of Mental Disorders (DSM-IV). 1994: 139-150. 3. SCHELLENBERG GD. Genetic dissection of ..."
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  • Genetic parameters for scrotal circumference, frame score and yearling weight of Mexican Charolais and Charbray young bulls

    Ángel Ríos-Utrera, Moisés Montaño-Bermúdez, Vicente E. Vega-Murillo, Guillermo Martínez-Velázquez, Juan J. Baeza-Rodríguez
    204-212
    2018-08-23
    |Abstract
    = 178 veces | PDF
    = 113 veces|
    ... Background: Knowledge of genetic correlations and the economics of traits are essential to decide Antecedentes: el conocimiento de las correlaciones genéticas y el aspecto económico Antecedentes: o conhecimento das correlações genéticas, e aspecto econômico de as características for improving SC and FS. Keywords: Beef cattle, genetic correlations, heritability, males, phenotypic ..."
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  • Genetic parameters between somatic cell score and production traits for Holstein cattle in Southern Brazil

    Gabrieli S. Romano, Luis Fernando B. Pinto, Altair A. Valloto, José-Augusto Horst, Victor B. Pedrosa
    60-70
    2020-01-31
    |Abstract
    = 439 veces | PDF
    = 386 veces|
    ... , and no genetic parameters are reported in the literature. Objective: To estimate the variance components no se selecciona a gran escala y no se reportan parámetros genéticos en la literatura. Objetivo: Estimar não é selecionada em larga escala e não há parâmetros genéticos disponíveis na literatura. Objetivo ± 0.01 Genetic and phenotypic correlations are presented in Table 3. Strong positive genetic ..."
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