Results 31 to 40 of about 7,468 (261)

Tendencias en ingeniería genética del uso de modelos animales

open access: yes, 2021
Los modelos animales son “organismos vivos en los cuales pueden ser estudiados fenómenos de interés y en los cuales estos fenómenos se parecen de cierto modo al del animal objetivo”, es decir el humano [1].
Vázquez Quintero, Rosalía
core  

Impact of parameterization in multiple acoustic index comparisons: practical cases in terrestrial and underwater soundscapes

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Parameter choices in acoustic analyses (sampling frequency, FFT size and window overlap) strongly influence multivariate soundscape separation. Using terrestrial and coral reef recordings, we show that these settings can exaggerate or mask ecological differences, emphasizing the need for parameter sensitivity testing and transparent reporting in ...
Juan C. Azofeifa‐Solano   +8 more
wiley   +1 more source

Knee height is often right: evaluating device height effects on camera trapping rate

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Camera trap deployment height can introduce systematic biases in detection trapping rates across species of different body sizes. Combining 172 paired sampling points in five experiments across Europe, North America and Africa, our results show that low cameras significantly increase detections of small‐ and medium‐sized species, whereas high cameras ...
Jorge Sereno‐Cadierno   +6 more
wiley   +1 more source

ÉTICA DE LA INVESTIGACIÓN EN MODELOS ANIMALES DE ENFERMEDADES HUMANAS

open access: yes, 2007
El presente artículo reflexiona sobre las implicaciones éticas de usar modelos animales para el desarrollo de la medicina en seres humanos. Entre las posturas extremas de condenar toda investigación con animales considerándola irrelevante y la de ...
Rodríguez Yunta, Eduardo   +1 more
core   +1 more source

Scaling from microsite to landscape to resolve litter decomposition dynamics in globally extensive drylands

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop   +8 more
wiley   +1 more source

El papel de los modelos animales en la investigación sobre la COVID-19

open access: yes, 2020
La investigación básica y pre-clínica con modelos animales es esencial para poder avanzar en el desarrollo de nuevos tratamientos y prototipos de vacuna para combatir la pandemia COVID-19, causada por el coronavirus SARS-CoV-2.
Montoliu, Lluís
core  

From steps to home ranges: How habitat disturbance influences the movement drivers of an arboreal primate

open access: yesJournal of Animal Ecology, EarlyView.
Challenging the narrative about howler monkeys' high resilience to anthropogenic changes, our multiscale analysis reveals the costs of habitat disturbance to their movement ecology. We identify thermal limitations, reduced travel efficiency, and significant spatial saturation.
Anaid Cárdenas‐Navarrete   +4 more
wiley   +1 more source

Análisis retrospectivo de caracteres reproductivos en hembras bovinas criollas colombianas Romosinuano

open access: yesCiencia y Tecnología Agropecuaria, 2021
El objetivo del estudio fue estimar la repetibilidad del intervalo entre partos y establecer la relación con diferentes caracteres de eficiencia reproductiva de hembras Romosinuano. Una base de datos con 3.112 registros útiles de 871 hembras, colectados
Gustavo Alfonso Ossa Saraz   +4 more
doaj   +1 more source

Stable Isotope Analysis as a Tool to Prevent Illicit Wildlife Trade of Songbirds in Brazil

open access: yesAnimal Conservation, EarlyView.
Feather isotopes provide clear differences between wild and captive songbirds in Brazil. Combining multiple isotopes improved classification accuracy and revealed individuals falsely declared as captive‐bred. These results demonstrate the potential of isotope analysis to detect wildlife laundering in the bird trade.
Luiza Brasileiro   +4 more
wiley   +1 more source

Reflujo enterogástrico. Modelo experimental en ratas.

open access: yesCirugía del Uruguay, 2001
Se crea un modelo de reflujo enterogástrico en ratas y se realizan procedimientos antireflujo. Se estudian las alteraciones producidas por el reflujo enterogástrico sobre la mucosa gástrica. Se emplean 5 series de 1 O animales.
Marysol Camejo   +5 more
doaj  

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