Results 51 to 60 of about 1,692 (114)

Alimentación de gallinas y calidad del huevo en sistemas de avicultura alternativa: análisis bibliométrico

open access: yesRevista Mexicana de Ciencias Pecuarias
El objetivo de este trabajo fue analizar la investigación publicada en artículos científicos donde, mediante técnicas bibliométricas, se realizó un estudio sobre el tipo de alimentos proporcionados a las gallinas y la calidad del huevo en sistemas de ...
Alejandra del Carmen García Medina   +7 more
doaj   +1 more source

Thinking of Melastomataceae: Revisiting Humboldt and Bonpland's Monographie des Melastomacées (1806–1823) from a historical perspective

open access: yesTAXON, Volume 75, Issue 3, June 2026.
Abstract During their voyage to the Americas (1799–1804), Alexander von Humboldt and Aimé Bonpland described and collected American flora, fauna, minerals and other objects. After returning to Europe, they published several works, including Monographie des Melastomacées, initiated by Bonpland to classify this complex botanical family.
Marina Ramos de Azevedo   +1 more
wiley   +1 more source

Ecological Niche Divergence in an Invasive Non‐Native Shrub: Implications for Risk Assessments

open access: yesAustral Ecology, Volume 51, Issue 6, June 2026.
The worldwide spread invasive shrub Nicotiana glauca (tree tobacco) underwent divergent niche shifts across two of its invaded regions. In the mediterranean region it presents high thermal seasonality and low thermal seasonality in the Caatinga (Brazil).
Fellipe Alves Ozorio do Nascimento   +4 more
wiley   +1 more source

The scaling of seed‐dispersal specialization in interaction networks across levels of organization

open access: yesEcography, Volume 2026, Issue 5, May 2026.
Natural ecosystems are characterized by a specialization pattern where few species are common while many others are rare. In ecological networks involving biotic interactions, specialization operates as a continuum at individual, species, and community levels. Theory predicts that ecological and evolutionary factors can primarily explain specialization.
Gabriel M. Moulatlet   +3 more
wiley   +1 more source

Preclinical evaluation of the RBD-Trimeric vaccine: A novel approach to strengthening biotechnological sovereignty in developing countries against SARS-CoV-2 variants

open access: yesTravel Medicine and Infectious Disease
New immunogens against emerging new virus variants are essential for controlling new variants. Methods: A preclinical study in which a receptor-binding domain (RBD) trimer was designed in silico with information from the Beta (B.1.351), Omicron (BA.5 ...
Luis Flórez   +11 more
doaj   +1 more source

La Colección Zoológica Regional (Aves) del Instituto de Historia Natural de Chiapas, México

open access: yesHuitzil, 2009
La Colección Zoológica Regional (Aves) del Instituto de Historia Natural de Chiapas, México, alberga 7,173 ejemplares que pertenecen a 17 órdenes, 68 familias, 339 géneros y 575 especies. La mayoría de los especimenes son de Chiapas (72.4%), Oaxaca (15.4%
Marco Antonio Altamirano González Ortega   +1 more
doaj   +1 more source

The effect of Bacillus spp. and vermicompost on the growth of cherry tomato, Solanum lycopersicum L., fruits

open access: yesRevista de Ciencias Agrícolas
In this investigation, we evaluate the effect of Bacillus spp. and vermicompost on the growth of cherry tomato, Solanum lycopersicum L., fruits. We used four treatments: T1. Vermicompost (112 g). T2.
Yenny Astrid Barahona-Pico   +2 more
doaj   +1 more source

Analysis of Item‐Level Disagreement Between Researchers and ChatGPT on the PEDro Scale for Assessing the Methodological Quality of Experimental Studies

open access: yes
Journal of Evidence-Based Medicine, Volume 19, Issue 2, June 2026.
Juan Antonio Valera‐Calero   +7 more
wiley   +1 more source

Tasa de preñez con semen sexado y convencional en bovinos doble propósito en la costa de Oaxaca

open access: yesEcosistemas y Recursos Agropecuarios
La inseminación artificial (IA) con semen sexado puede ser alternativa para implementarse en unidades de producción doble propósito de la costa Oaxaqueña, promoviendo la eficiencia productiva y reproductiva.
Nancy Jaqueline Serna-Lemus   +5 more
doaj   +1 more source

First report of Culex flavivirus infection from Culex coronator (Diptera: Culicidae), Colombia

open access: yesVirology Journal, 2019
Background Flaviviruses are important pathogens for humans and animals (Dengue viruses, Yellow fever virus, Zika virus and West Nile virus). Culex flavivirus (CxFV) is an insect-specific virus of the genus Flavivirus, detected in a wide variety of ...
Jorge Miranda   +5 more
doaj   +1 more source

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