Results 61 to 70 of about 856 (183)

White feathers in black birds [PDF]

open access: yes, 2021
The most common plumage abnormalities in birds involve some form of white feathering, ranging from birds with just a few white feathers to individuals that are completely white.
van Grouw, Hein
core  

A Case Series of Hypermucoid Klebsiella pneumoniae Liver Abscess in Caucasian Americans Without Travel History: An Epidemiologic Shift?

open access: yesClinical Case Reports, Volume 14, Issue 3, March 2026.
ABSTRACT Hypervirulent Klebsiella pneumoniae (hvKp) is an emerging cause of community‐acquired pyogenic liver abscess (PLA), classically described in East and Southeast Asia. We report two cases of hvKp‐associated PLA in Caucasian women of American origin with no history of international travel, animal exposure, or Asian food consumption. Both patients
Krishna Sai Kiran Sakalabaktula   +6 more
wiley   +1 more source

Case of leucism in the spadenose shark, Scoliodon laticaudus (Müller and Henle, 1838) from Mangalore, Karnataka [PDF]

open access: yes, 2011
The present paper reports the first case of leucism in the spadenose shark, Scoliodon laticaudus from India. This report is based on the study of a single specimen of S. laticaudus caught by a commercial trawler off Mangalore coast.
Durgekar, N Raveendra   +3 more
core  

A Robust Bioprocess for the Global Incorporation of Noncanonical Amino Acids in Auxotrophic Hosts Produces Labeled Proteins at the Gram Scale

open access: yesChemBioChem, Volume 27, Issue 1, January 2026.
A robust bioprocess enables global incorporation of noncanonical amino acids in both shake flask and bioreactor cultures, producing gram‐per‐liter titers of efficiently labeled proteins. A versatile Escherichia coli BL21(DE3) auxotroph platform supports broad compatibility with various noncanonical amino acids and target proteins, facilitating flexible
Patrik Fladischer   +8 more
wiley   +1 more source

First record of partial leucism in the white-fronted goose (Anser albifrons) in Mexico

open access: yesHuitzil, 2017
The record of the aberrations in the plumage coloration in birds is important because allow to know the frequency and conditions with which they occur in the wild populations, which improves the knowledge in the subject.
José Hugo Martínez-Guerrero   +2 more
doaj   +1 more source

Terminologia catalana de plomatge, datació, muda i topografia [PDF]

open access: yes, 1988
La terminologia d'aquests temes no ha estat estandarditzada prèviament i els ornitòlegs catalans usen el vocabulari de forma no sistemàtica. Aquest article defineix els mots més rellevants i aporta al lector un vocabulari català/anglès i anglès/català ...
Julien, Abel
core  

First report of leucism for the kraits Bungarus walli Wall, 1907 and B. niger Wall, 1908, with updates on their geographic distribution in Nepal (Serpentes, Elapidae) [PDF]

open access: yes, 2020
© 2020 The Authors. Published by Societas Europaea Herpetologica in Herpetology Notes. This is an open access article available under a Creative Commons licence.
Devkota, Kamal   +4 more
core  

First records of leucism in eight species of small mammals (Mammalia: Rodentia) [PDF]

open access: yesTherya, 2016
Leucism is a partial hypopigmentary congenital disorder that indicates low levels of genetic diversity and is considered to be an unusual trait in wild populations. In continental America, few cases of abnormal coloration in vertebrates have been recorded.  This feature can increase the selective pressure on individuals who have it, and can result from
Jorge Brito, Karla Valdivieso-Bermeo
openaire   +1 more source

Antibiotic Use in Livestock: A Driver of Resistance in Africa and the Path to Safer Alternatives

open access: yesMicrobiologyOpen, Volume 14, Issue 6, December 2025.
The incorporation of antibiotics into animal feeds is one of the drivers of antibiotic resistance, a global One Health challenge. To reduce the burden of antibiotic resistance, the use of alternative growth promoters and drugs must be promoted, as well as sensitization and implementation of regulations.
Mercy A. Alabi   +2 more
wiley   +1 more source

The First insights into Avian Deformities in Algeria

open access: yesAvocetta
High rates of gross deformities in wildlife populations often serve as indicators of underlying environmental health problems. This study represents the first, most comprehensive effort possible to document avian deformities in Algeria, including ...
Mohamed Belkacem   +3 more
doaj   +1 more source

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