Results 41 to 50 of about 129,917 (162)
Pest‐preservation paradox among insects
Conservation Biology, EarlyView.The pest‐preservation paradox is a non‐binary perspective that insects range from those that are harmful and requiring management on the one side, to those requiring conservation intervention on the opposite end of the spectrum. Importantly, the vast majority of insects occur somewhere in the center of the two extremes, and their position along the ...
Michael J. Samways +3 more
wiley +1 more source
Improving reproductive technologies for the conservation of the European mink (Mustela lutreola)
Theriogenology WildThe European mink (Mustela lutreola) is the most endangered mammal in Europe. The limited success of its breeding under captive conditions highlights the need to develop appropriate assisted reproduction techniques.
Sonia Ariznavarreta-Alzu +6 more
doaj +1 more source
Implicaciones de la edad avanzada de los progenitores en el fenotipo de la descendencia de la rata
Revista Mexicana de Endocrinología, Metabolismo y Nutrición, 2023 Antecedentes: La edad materna y paterna son factores externos que pueden determinar el fenotipo del individuo en desarrollo. Objetivo: Evaluar las implicaciones de la edad avanzada de los padres sobre los cambios metabólicos, oxidativos y endócrinos en ...
Luis A. Reyes-Castro +6 more
doaj +1 more source
Fertilidad en ovejas de pelo inseminadas con semen congelado rediluido con plasma seminal
Revista Científica, 2010 El objetivo del presente estudio fue determinar la viabilidad permática del semen congelado rediluido con plasma seminal a través de 146 ovejas de pelo, inseminadas vía cervical e intrauterina.
Alvaro Domínguez Rebolledo +8 more
doaj
Spanish Journal of Agricultural Research, 2018 Sperm cryopreservation protocols are not well defined in many wild species such as the mouflon. The aim was to study the effect of different concentrations of EY on mouflon epididymal sperm cryosurvival.
Lucía Martínez-Fresneda +8 more
doaj +1 more source
Physiological Entomology, EarlyView.The phagostimulation and reproductive effects of individual essential amino acids, without other nutrient except fructose, were investigated. Methionine, Arginine and Leucine display significantly higher phagostimulation strength than fructose. Arginine and Methionine showed a significant improvement in reproductive activity compared to other tested ...
David Nestel +6 more
wiley +1 more source
Antipode, Volume 58, Issue 5, September 2026.ABSTRACT While Black and visual geographies have examined the image's racial and spatial power, more work is needed to analyze how racial frames of view become spatially embedded. This paper advances such a practice by analyzing news images of homelessness in Oakland.
Clara Pérez Medina
wiley +1 more source
Revista Colombiana de Obstetricia y Ginecología, 2021 Objetivos: reportar el caso de una paciente con diagnóstico prenatal de atresia de yeyuno y hacer una revisión de la literatura en torno al resultado y al diagnóstico de esta entidad, implementando el uso de métodos no convencionales: ecografía ...
Ángel Chimenea-Toscano +2 more
doaj +1 more source
Diferentes modelos de video Time-Lapse y su aplicación en las clínicas de reproducción asistida [PDF]
, 2013 TFM del Máster de Biología y Tecnología de la Reproducción sobre los distintos modelos de video Time-Lapse que se pueden utilizar para la valoración embrionaria en una clínica de reproducción ...
Fanjul González, Paula
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