Results 81 to 90 of about 1,210,242 (209)

Occurrence of Fungi on Duck Egg Shells and Drug Resistance Analysis of Aspergillus spp. Isolates

Applied Sciences
Fungi are a typical part of the microbiome of poultry houses, but some of the genera can be pathogenic for poultry and humans. An investigation was conducted on 200 duck eggs from 10 flocks to determine total fungal contamination on the eggshells.
Andrzej Gaweł, Magdalena Siedlecka, Magdalena Karwańska, Milena Skrok, Iwona Przychodniak, Piotr Knap, Aleksandra Chmielina, Violetta Truszko, Maciej Kuczkowski, Karolina Bierowiec, Anna Woźniak-Biel, Barbara Szczepankiewicz, Kamila Bobrek   +12 more
doaj   +1 more source

Preen Gland-Secreted Alkanols Enhance Male Attractiveness in Parrots [PDF]

, 2008
The skin glands are widely used in pheromone production throughout the vertebrate worlds. Growing evidences show that birds also have chemical communication, but the uropygial (also called preen or oil) glands, serving as only specialized skin glands of ...
Jian-Xu Zhang, Jin-Hua Zhang, Wei Wei
core   +1 more source

Spread of HPAIV H5N1 from south china agro-ecosystems through wild birds migration: a multidisciplinary approach [PDF]

, 2012
Agricultural intensification in South China has increased densities of domestic ducks raised on intensively irrigated paddy fields, an important factor of the persistence of H5N1 highly pathogenic avian influenza virus (AIV) persistence.
Cappelle, Julien, Newman, Scott, Takekawa, John Y., Xiao, Xiangming, Zhao, Delong   +4 more
core  

Influence of rearing environment on development of perching and dustbathing behaviour in laying hens [PDF]

, 2007
Studies have shown that perching and dustbathing behaviour in birds can be affected by how and when the behaviour develops. With the increasing trend away from cages and towards keeping laying hens in larger, more complex housing systems, it is important
Wichman, Anette
core  

Molecular and Serological Screening Support the Lack of Coxiella burnetii Circulation in Wild Birds of Portugal

Birds
Coxiella burnetii is a highly infectious zoonotic pathogenic bacterium that has a major economic impact in the livestock industry throughout the world and causes unpredictable outbreaks in humans worldwide.
Filipa Loureiro, João R. Mesquita, Luís Cardoso, Cristina Pintado, Sara Gomes-Gonçalves, Ana C. Matos, Vanessa Soeiro, Andreia Gonçalves, Filipe Silva, Manuela Matos, Ana Cláudia Coelho   +10 more
doaj   +1 more source

Migration Phenology and Spatial Distribution of Soaring Birds in Greece: From Citizen Science Data to Implications for Monitoring and Conservation Strategies

Birds
Timing and spatial distribution patterns of migratory birds are crucial for their conservation, particularly in Greece, which serves as a vital migratory corridor between Europe, Asia, and Africa.
Anastasios Bounas, Nikos Tsiopelas, Angelos Evangelidis, Christos Barboutis   +3 more
doaj   +1 more source

Physiological Response Of Laying Birds To Neem (Azadirachta Indica) Leaf Meal-Based Diets: Body Weight Organ Characteristics And Haematology [PDF]

, 2006
A 12-weeks feeding trial was conducted to evaluate the effects of Neem (Azadirachta indica) leafmeal (NLM) on body weight gain, carcass and organ characteristics and haematological values of laying hens.
Esonu B, O, Iheshiulor OO, M, Obikaonu H, O, Okoli I, C, Opara N, M, Udedibie, C   +5 more
core  

A Comprehensive Microscopy Analysis of the Retina of Larus audouinii (Payraudeau, 1826): Environmental and Ecological Insights

Birds
The retinal structure is generally conserved across vertebrates; however, variations occur due to the relationship between environmental factors and visual perception.
Alicia Navarro-Sempere, Magdalena García, Raúl Cobo, Sandra Pascual-García, Yolanda Segovia   +4 more
doaj   +1 more source

Contribution of Seasonal Streams to the Conservation of Native and Migratory Birds in a Coastal Region Undergoing Urbanization

Birds
Urbanization has drastically transformed natural landscapes, threatening biodiversity by reducing species richness and abundance in cities. In this context, seasonal streams serve as refuge areas for various bird species.
Catalina B. Muñoz-Pacheco, Javiera C. Gutiérrez, Nélida R. Villaseñor   +2 more
doaj   +1 more source

Nestling Diet of Two Sympatric Insectivorous Passerines in Different Habitats—A Metabarcoding Study

Birds
Increasing landscape transformations and urbanisation affect insectivorous bird populations in various ways such as food availability, breeding phenology, or reproductive success.
Daniel Höhn, Juan F. Masello, Marc N. Kümmel, Sven Griep, Alexander Goesmann, Petra Quillfeldt   +5 more
doaj   +1 more source