Results 41 to 50 of about 380,752 (346)

Results of an aerial survey of the western population of Anser erythropus (Anserini) in autumn migration in Russia 2017

open access: yesNature Conservation Research: Заповедная наука, 2019
The global population of Anser erythropus has rapidly declined since the middle of the 20th century. The decline in numbers has been accompanied by the fragmentation of the breeding range and is considered as «continuing affecting all populations, giving
Sofia B. Rozenfeld   +3 more
doaj   +1 more source

The comparison of quality characteristics of Pekin duck and Cherry Valley duck eggs from free-range raising system [PDF]

open access: yesJournal of Central European Agriculture, 2019
The aim of this study was to compare physical, morphological and mechanical characteristics of eggs collected from two duck breeds (Pekin duck and Cherry Valley duck).
Ante Galić   +7 more
doaj   +1 more source

Duck gut metagenome reveals the microbiome signatures linked to intestinal regional, temporal development, and rearing condition

open access: yesiMeta
The duck gastrointestinal tract (GIT) harbors an abundance of microorganisms that play an important role in duck health and production. Here, we constructed the first relatively comprehensive duck gut microbial gene catalog (24 million genes) and 4437 ...
Lingyan Ma   +9 more
semanticscholar   +1 more source

Authentication method of sea duck eggs based on targeted metabolomics

open access: yesZhongguo shipin weisheng zazhi, 2020
Objective A targeted metabolomics based on gas chromatography-mass spectrometry (GC-MS) was established for the authentication of sea duck eggs. Methods In this study, gas chromatography-mass spectrometry was used to characterize the fat acid profiles of
Qi ZHANG   +5 more
doaj   +1 more source

Egg quality and egg albumen property of domestic chicken, duck, goose, turkey, quail, and pigeon.

open access: yesPoultry Science, 2019
Poultry eggs from different species varied significantly, due to their divergent process of evolution. However, the information on egg characteristics has been limited mostly to chicken.
Congjiao Sun   +3 more
semanticscholar   +1 more source

Binding of Duck Tembusu Virus Nonstructural Protein 2A to Duck STING Disrupts Induction of Its Signal Transduction Cascade To Inhibit Beta Interferon Induction

open access: yesJournal of Virology, 2020
Flavivirus infections are transmitted through mosquitos or ticks and lead to significant morbidity and mortality worldwide with a spectrum of manifestations.
Wei Zhang   +20 more
semanticscholar   +1 more source

Population analysis of the Korean native duck using whole-genome sequencing data

open access: yesBMC Genomics, 2020
Background Advances in next-generation sequencing technologies have provided an opportunity to perform population-level comparative genomic analysis to discover unique genomic characteristics of domesticated animals.
Daehwan Lee   +7 more
doaj   +1 more source

Development of Japanese elementary curriculum that emphasises spoken-ness [PDF]

open access: yes, 2020
This paper discusses the curriculum development which aims to enhance the spoken-ness or naturalness of two-way spoken conversation in Japanese. There are many special features in Japanese spoken conversation, such as particle omission, sentence-final ...
Lee, Duck-Young, Ogi, Naomi
core  

A new duck genome reveals conserved and convergently evolved chromosome architectures of birds and mammals

open access: yesbioRxiv, 2020
Background Ducks have a typical avian karyotype that consists of macro- and microchromosomes, but a pair of much less differentiated ZW sex chromosomes compared to chicken.
Jing Li   +15 more
semanticscholar   +1 more source

Review of Diagnostic and Therapeutic Approach to Canine Myxomatous Mitral Valve Disease

open access: yesVeterinary Sciences, 2017
The most common heart disease that affects dogs is myxomatous mitral valve disease. In this article, we review the current diagnostic and therapeutic approaches to this disease, and we also present some of the latest technological advancements in this ...
Giulio Menciotti, Michele Borgarelli
doaj   +1 more source

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