Results 151 to 160 of about 89,214 (305)

Overview of the re‐evaluation of trace elements as nutritional feed additives in the European Union: characterization, safety, and efficacy

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract The re‐evaluation of feed additives in the European Union was outlined in the Regulation (EC) No 1831/2003. The primary objectives were to ensure safety and verify efficacy, as well as to update authorizations and phase out unsafe additives or those in which the industry expressed no interest.
Gloria López‐Gálvez   +11 more
wiley   +1 more source

Lista propuesta de anfibios y reptiles amenazados de extinción

open access: yes, 1994
A preliminary list on endangered amphibians and reptiles of Argentina is presented. On the basis of published and unpublished information, and following the UICN criteria, 123 of 370 herp species were categorized.Asociación Herpetológica ...
Bertonatti, Claudio
core  

Does bigger mean sicker? A systematic review and meta‐analysis of the intraspecific relationship between host body size and parasite infection across vertebrate taxa

open access: yesOikos, EarlyView.
Elucidating the determinants of parasite infection levels of individuals within a population is a basic but important step for understanding the roles of parasites in natural systems. Among intraspecific studies on vertebrate hosts and metazoan parasites, host body size (length/mass) is probably the most frequently reported factor determining parasite ...
Ryota Hasegawa   +7 more
wiley   +1 more source

Highly contiguous reference genome assembly of the endangered Orcés' blue whiptail Holcosus orcesi. [PDF]

open access: yesPLoS One
Pozo G   +5 more
europepmc   +1 more source

Urbanization and food transition in the Brazilian Amazon: From wild to domesticated meat

open access: yesPeople and Nature, EarlyView.
Abstract Urbanization is expected to influence food transitions, resulting in a shift from wild foods to more domesticated foods. Concomitantly, food insecurity and urban demand for natural resources, including wildlife, are expected to increase overall, even when the per capita consumption is expected to decrease.
Willandia A. Chaves   +7 more
wiley   +1 more source

New Species Discoveries Refine Global Biodiversity Patterns. [PDF]

open access: yesEcol Lett
Luo Y   +6 more
europepmc   +1 more source

Los géneros de Anfibios y Reptiles de Colombia, II. Segunda Parte: Reptiles, Orden de los Saurios

open access: yes, 1944
El presente trabajo es una relación de nuestros conocimientos actuales acerca de los Reptiles Saurios de Colombia. Lo que sabemos hasta la fecha respecto de la fauna reptil de este país deja mucho que desear por cuanto no existen publicaciones referentes
Dunn, Emmett Reid, Dunn Emmett Reid
core  

The impact of COVID‐19 on public perceptions of wild meat in Central Africa

open access: yesPeople and Nature, EarlyView.
Abstract Wild meat is a significant source of food and income generation in Central Africa. However, there is little knowledge of how the assumed link between COVID‐19 and wild meat consumption has been discussed by the media and received by the public. In this study, we conducted media content analysis of 264 articles published in 2019–2020 related to
Yuhan Li   +14 more
wiley   +1 more source

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