Results: 53

Genetic diversity and aquaculture conservation for a threatened Neotropical catfish

Neotrop. ichthyol; 18 (3), 2020
Due to the ecological importance of Lophiosilurus alexandri, the present work evaluated its genetic representativeness by comparing wild stocks to broodstocks that were kept at three restocking hatcheries along the São Francisco River. A total of 97 samples were genotyped for newly developed microsatell...

Production of wheat-doubled haploids resistant to eyespot supported by marker-assisted selection

BACKGROUND: Wheat is one of the most important crops cultivated all over the world. New high-yielding cultivars that are more resistant to fungal diseases have been permanently developed. The present study aimed at the possibility of accelerating the process of breeding new cultivars, resistant to eyespo...

Inferring mating system parameters in forage peanut, Arachis pintoi, for Brazilian Amazon conditions

Acta amaz; 49 (4), 2019
The search for alternatives to increase productivity and sustainability of livestock production in the Amazon region without increasing deforestation is challenging. Mixed pastures of grasses with forage peanut (Arachis pintoi) have shown positive economic impacts. However, gaps in the knowledge of the r...

Adaptive evolution and selection of stress-resistant Saccharomyces cerevisiae for very high-gravity bioethanol fermentation

Background: In industrial yeasts, selection and breeding for resistance to multiple stresses is a focus of current research. The objective of this study was to investigate the tolerance to multiple stresses of Saccharomyces cerevisiae obtained through an adaptive laboratory evolution strategy involving a...

Knowledge, attitudes and practices about dengue among pupils from rural schools in Colombia

Biomédica (Bogotá); 39 (3), 2019
Abstract Introduction: Dengue is a public health problem in tropical and subtropical regions of the world. Studies on dengue in rural areas are scarce since the disease is considered mainly urban. Objective: To determine the knowledge (K), attitudes (A) and practices (P) of dengue in an endemic area in...

Diferencia esperada de progenie para peso al destete en selección de vaquillas mestizas en Manabí

Rev. MVZ Córdoba; 24 (2), 2019
RESUMEN Objetivo. Determinar la diferencia esperada de la progenie (DEP) para el peso al destete ajustado a 205 días (PD) en hembras Brahman mestizas nacidas en el año 2016 como criterio de selección de futuras reproductoras. Materiales y métodos. Se analizaron 3467 registros generados entre 1983 y...

Polymorphism of bovine lipocalin-2 gene and its impact on milk production traits and mastitis in Holstein Friesian cattle

Background: Mastitis is one of the most serious diseases of dairy cattle, causing substantial financial losses. While predisposition to reduced somatic cell count in milk has been considered for in cattle breeding programs as the key indicator of udder health status, scientists are seeking genetic marker...

Estilos de crianza, autoeficacia parental y problemas conductuales infantiles en tres municipios de Santander

Resumen Introducción: La familia, a partir de la crianza, juega un papel fundamental en el desarrollo de habilidades sociales y de autocuidado de las personas. Objetivo: Describir los estilos de crianza, la autoeficacia parental y la percepción de problemas de la conducta infantil por parte de padres...

Eficacia académica percibida, crianza, uso de internet y comportamiento en la adolescencia

Rev. latinoam. psicol; 51 (1), 2019
Resumen El uso intensivo de internet puede contribuir a desarrollar disfunciones psicosociales graves en la adolescencia. El objetivo de esta investigación es analizar las relaciones de la percepción de eficacia académica con el uso de internet para ocio, los estilos de crianza y los problemas exterio...

Estilos parentales en la discapacidad: examen de la evidencia empírica sobre un modelo

Rev. latinoam. psicol; 50 (3), 2018
Resumen El estudio tuvo como objetivos definir y examinar, a partir de la evidencia empírica, un modelo que describe los procesos de crianza de personas con discapacidad -MEPD- Modelo Estilos Parentales en la Discapacidad (Manjarrés 2012), e identificar la configuración de los estilos parentales prese...