Results 21 to 30 of about 1,847 (177)

Cowbirds use conspecific social information to detect host nests in the wild

open access: yesIbis, Volume 168, Issue 2, Page 799-804, April 2026.
Recent work shows that hosts of avian brood parasites use social information to increase egg rejection rates, but fewer studies explore how parasites themselves use such information to detect host nests in the wild. To determine whether wild Brown‐headed Cowbirds Molothrus ater use social information to detect host nests, we measured how individual ...
Omar J. Morosse   +2 more
wiley   +1 more source

Influencia del fotoperiodo sobre el desempeño productivo y económico de codornices japonesas (Coturnix japonica).

open access: yesRevista Científica
La producción de huevos de codorniz (Coturnix coturnix japonica) constituye un modelo productivo altamente eficiente, caracterizado por la precocidad reproductiva y la óptima conversión alimentaria de la especie.
José Luis Alcívar-Cobeña   +3 more
doaj   +1 more source

Randomised, Double‐Blinded, Placebo‐Controlled Challenge Test With Single Food Items in Dogs With Atopic Dermatitis and Adverse Food Reactions

open access: yesVeterinary Dermatology, Volume 37, Issue 2, Page 247-256, April 2026.
ABSTRACT Background Identification of offending foods in dogs with adverse food reactions is usually based on “deterioration” during open food challenges. Objectives To examine the placebo effect during double‐blinded, placebo‐controlled food challenges using a predefined set of criteria for relapse.
Evi I. Sofou   +4 more
wiley   +1 more source

Report of the Scientific Committee of the Spanish Agency for Food Safety and Nutrition (AESAN) on the conservation conditions of foods made with eggs or egg products in retail establishments

open access: yesFood Risk Assess Europe, Volume 4, Issue 2, April 2026.
Abstract Royal Decree 1021/2022, which regulates certain hygiene requirements for the production and marketing of foodstuffs in retail establishments, establishes that, in retail establishments, food made with raw egg subjected to heat treatment where a temperature equal to or greater than 70°C is reached for 2 seconds in the centre of the product or ...
Antonio Valero Díaz   +6 more
wiley   +1 more source

Observaciones ecológicas sobre el pez capitán, Eremophilus mutisii Humboldt 1805 (Pisces : Trichomycteridae) en los departamentos de Cundinamarca y Boyacá, Colombia

open access: yesActa Biológica Colombiana, 1989
Information of the population for several Eremophilus muusu Humboldt 1805 were provided at the Cundinamarca and Boyacá regíons. The main ínformatíon were concerning the habitat, dístrtbunon of altitude.
Fabio Flórez A., Néstor Sarmiento R.
doaj  

Aporte al conocimiento de la biología de Cissites maculata (Coleoptera: Meloidae) en Venezuela

open access: yesNovitates Caribaea, 2023
Se aportan material fotográfico y descripciones de Cissites maculata (Swederus, 1787) basadas en observaciones de adultos, huevos y larvas en primer estadio, encontrados en una viga de madera cerca de la entrada de un nido de Xylocopa sp., en Venezuela ...
Carlos Alberto Padrón-Pereira
doaj   +1 more source

Cuentos (In)Creíbles: Ethnography as Faithful Witnessing for Transborder Epistemologies

open access: yesAnthropology &Education Quarterly, Volume 57, Issue 1, March 2026.
ABSTRACT Through the careful analysis of the border‐crossing epistemologies that are collaboratively shared and validated by a fifth grader and ethnographer in liminal classroom spaces, we identify key methodological approaches for researchers working with border crossers to document the co‐production of knowledge among researchers and participants, to
Sarah Gallo, Melissa Adams Corral
wiley   +1 more source

Assembling Nutrition‐sensitive Agriculture: How Global Food Security Projects Are Sustained Despite Tensions, Contradictions and Failure

open access: yesDevelopment and Change, Volume 56, Issue 6, Page 1167-1196, November 2025.
ABSTRACT This article examines the global discourse surrounding nutrition‐sensitive agriculture (NSA) and its implementation within Feed the Future, a food security initiative of the US Agency for International Development in Guatemala. It explores how such global nutrition efforts have increasingly incorporated critiques advanced by critical nutrition
Carrie Seay‐Fleming
wiley   +1 more source

Anthropogenic impacts on yellow-spotted river turtle Podocnemis unifilis (Reptilia: Podocnemididae) from the Brazilian Amazon

open access: yesActa Biológica Colombiana, 2016
We investigated the influence of anthropogenic impacts on Podocnemis unifilis nesting on a stretch from Falsino river, with two forest reserves, and one urban area on the Araguari river, state of Amapá, eastern Amazon (Brazil).
Débora Regina Santos Arraes   +2 more
doaj   +1 more source

Huevos del Rancho

open access: yes, 2013
Es un plan de empresa que trata de la producción de huevos y muestra toda su cadena de valor.
Del Río Ayerbe, Laura Viviana   +1 more
openaire   +1 more source

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