Results: 262

Preliminary study of the population and reproductive dynamics of Echinaster sepositus (Spinulosida: Echinasteridae) in Cala del Racó

Rev. biol. trop; 72 (supl.1), 2024
Abstract Introduction: The red starfish (Echinaster sepositus) is one of the most common asteroid species in the Mediterranean Sea. However, information about their biology or their role in benthic communities is scarce. Objective: This study aims to provide new information on the ecology of this spe...

Effect of gamete aging on fertilization success of the sea urchin Arbacia dufresnii (Arbacioida: Arbaciidae)

Rev. biol. trop; 72 (supl.1), 2024
Abstract Introduction: Short-term gametes storage is an inexpensive and simple technique that allows the use of the same batch of eggs or sperm at different times, maximizing the application of research protocols and the use of gametes in production. Arbacia dufresnii is a sea urchin species with prove...

Monitoring the feeding and parental care behavior of a pair of free-living owls (Tyto furcata) in the nest during the reproductive period in Rio de Janeiro, Brazil

Braz. j. biol; 84 (), 2024
Abstract The American Barn Owl (Tyto furcata) lives in urban, periurban and wild environments and feeds mainly on small rodents, meaning it has great importance in the biological control of pests. The aim of this work was to describe the reproductive, parental and eating habits of a pair of American barn...

A comprehensive review on the documented characteristics of four Reticulitermes termites (Rhinotermitidae, Blattodea) of China

Braz. j. biol; 84 (), 2024
Termites are known as social insects worldwide. Presently in China 473 species, 44 genera and 4 families of termites have been reported. Of them, 111 Reticulitermes species are widely spread in different zones of China. The dispersion flight season of these Chinese Reticulitermes species are usually star...

Effects of Pasturella Multocida B: 2 and its immunogens (LPS and OMP) on reproductive hormones in Nili-Ravi Buffaloes

Braz. j. biol; 84 (), 2024
Abstract Livestock is a fundamental part of the agriculture industry in Pakistan and contributes more than 11.53% to GDP. Among livestock species, the buffaloes are regarded as the black gold of Pakistan. Being the highest milk producers globally, Nili-Ravi buffaloes are the most famous ones. Buffaloes a...

Representações sociais sobre maternidade na reprodução humana assistida: discursos de mulheres inférteis

Psicol. ciênc. prof; 44 (), 2024
Este trabalho tem o objetivo de analisar as concepções de maternidade para mulheres inférteis de diferentes níveis socioeconômicos que estão em tratamento de reprodução assistida. Trata-se de um estudo qualitativo, descritivo, que utilizou como instrumento uma entrevista semiestruturada e contemp...
Psicología, Derechos Sexuales y Reproductivos, Reproducción, Infertilidad Femenina, Responsabilidad Parental, Familia, Representación Social, d0081490, d0012900, Consanguinidad, d0028350, d0034690, d0071720, d0379210, d0046440, d0572270, d0053060, d0055820, d0090420, d0149300, d0096790, d0149440, d0000854020, d0123800, d0138120, d0149370, d0277240, Transporte del Óvulo, Transporte Espermático, Laboratorios, Útero, Matrimonio, Sexo, Coito, Enfermedades de Transmisión Sexual, , Enfermedad Inflamatoria Pélvica, Infección Pélvica, Enfermedades Urogenitales, Enfermedades Urogenitales Femeninas y Complicaciones del Embarazo, Conducta Sedentaria, Estilo de Vida, Estilo de Vida Saludable, Obesidad, Tabaquismo, Consumo Excesivo de Bebidas Alcohólicas, Alcoholismo, Factores de Riesgo, Endometriosis, Terapia de Parejas, Felicidad, Afecto, Autoimagen, Miedo, Logro, Distrés Psicológico, Esperanza, Tiempo, Adopción, Crianza del Niño, Relaciones Padres-Hijo, , Embarazo Múltiple, Mantenimiento del Embarazo, Trabajo de Parto, Embarazo de Alto Riesgo, Edad Gestacional, Inseminación Artificial Homóloga, Preparaciones Farmacéuticas, Pacientes, , Sistema Urogenital, Óvulo, Espermatozoides, Resultado del Embarazo, Intercambio Materno-Fetal, Embarazo, Donación de Oocito, Fertilización In Vitro, Inducción de la Ovulación, Transferencia de Embrión, Diagnóstico, Detección de la Ovulación, Predicción de la Ovulación, Pruebas de Obstrucción de las Trompas Uterinas, Técnicas Reproductivas, , Concepción de Donantes, Desconcierto, Vergüenza, Culpa, Trauma Psicológico, Amenaza de Aborto, Calidad de Vida, Estrategias de Salud Nacionales, , Composición Familiar, Divorcio, Estado Conyugal, Depresión, Ansiedad, Apoyo Familiar, Conflicto Familiar, Grupo de Atención al Paciente, Normas Sociales, Imaginación, Sueños, Fantasía, Relaciones Familiares, Patrón de Herencia, Herencia, Masculinidad, Regulación Emocional, Agotamiento Emocional, Frustación, Infertilidad Masculina, Empoderamiento, Tristeza, Soledad, Descuento por Demora, Encuestas de Prevalencia Anticonceptiva, Efectividad Anticonceptiva, Anticoncepción Reversible de Larga Duración, Anticoncepción, Características de la Población, Mercado de Trabajo, Prejuicio, Abstinencia Sexual, Pertenencia, Necesidades Específicas del Género, Expresión de Género, Construcción Social del Género, Identificación Social, Medicina, Tabú, Sexualidad

Factores socioafectivos y su influencia en la actividad sexual de adolescentes

durante la adolescencia se adquieren conocimientos y se desarrollan actitudes hacia el sexo, la anticoncepción y la reproducción, aspectos que influirán en el comportamiento sexual que repercute directamente en la calidad de vida. Por tanto, el objetivo de este estudio fue determinar los f...

Anthelmintic usage on the Reproductive Parameters in Captive reared Agoutis (Dasyprocta leporina) in Trinidad and Tobago, West Indies

Braz. j. biol; 83 (), 2023
Abstract The agouti (Dasyprocta leporina) is a rodent that is found in the Neo-tropical region. This animal is hunted for its meat but has recently been reared in captivity as a source of meat protein in rural communities. A 20-month experiment was carried out to evaluate the effect of an anthelmintic on...

Effects of Rooibos (Aspalathus linearis) on the Testicular Parenchyma of Adult BALB/C Mice Submitted to a Hypercaloric Diet

Biosci. j. (Online); 39 (), 2023
Oxidative stress due to obesity plays a detrimental role in the testicular microenvironment and sperm parameters. We explored the impact of a hypercaloric diet in male BALB/c mice as a condition to trigger damage to the spermatogenic process and the antioxidant effect of Aspalathus linearis as well. We u...

Chronic consumption of contaminated feed with 2 4 dichlorophenoxyacetic acid (2 4 D) herbicide in rodents: effects on male reproductive health

Introduction: The herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) is one of the most widely used pesticides in the world. There is evidence that this herbicide can induce deleterious effects in non-target organisms, including impairment of reproduction function. Objective: The aim of this study was to e...