Results 21 to 30 of about 15,277 (227)

Photoperiod affects the laying performance of the mountain duck by regulating endocrine hormones and gene expression

Veterinary Medicine and Science, 2021
Light mainly affects animal reproductive performance through the hypothalamus‐ pituitary‐gonadal axis, but the specific regulating mechanism is not yet clear in duck.
Hongjia Ouyang, Bo Yang, Yongcong Lao, Jun Tang, Yunbo Tian, Yunmao Huang   +5 more
doaj   +1 more source

Potential Effects of Habitat Change on Migratory Bird Movements and Avian Influenza Transmission in the East Asian-Australasian Flyway

Diversity, 2023
Wild waterbirds, and especially wild waterfowl, are considered to be a reservoir for avian influenza viruses, with transmission likely occurring at the agricultural-wildlife interface.
John Y. Takekawa, Diann J. Prosser, Jeffery D. Sullivan, Shenglai Yin, Xinxin Wang, Geli Zhang, Xiangming Xiao   +6 more
doaj   +1 more source

Assessing breeding duck population trends relative to anthropogenic disturbances across the boreal plains of Canada, 1960-2007

Avian Conservation and Ecology, 2020
Impacts of anthropogenic disturbance on duck populations in the boreal forest is largely unknown but hypothesized to negatively influence abundance through top-down and bottom-up processes.
Howard V. Singer, Stuart M. Slattery, Llwellyn Armstrong, Susan Witherly   +3 more
doaj  

Highly Pathogenic Avian Influenza (H5N1) Landscape Suitability Varies by Wetland Habitats and the Degree of Interface between Wild Waterfowl and Poultry in India

Viruses, 2020
Highly pathogenic avian influenza (HPAI) virus, subtype H5N1, constitutes one of the world’s most important health and economic concerns given the catastrophic impact of epizootics on the poultry industry, the high mortality attending spillover in humans,
Michael G. Walsh, Siobhan M. Mor, Shah Hossain   +2 more
doaj   +1 more source

OPN5 Regulating Mechanism of Follicle Development Through the TSH-DIO2/DIO3 Pathway in Mountain Ducks Under Different Photoperiods

Frontiers in Physiology, 2022
: Photoperiod is an important environmental factor that influence seasonal reproduction behavior in bird. Birds translates photoperiodic information into neuroendocrine signals through deep brain photoreceptors (DBPs).
Sui Liufu, Sui Liufu, Jianqiu Pan, Jianqiu Pan, Junfeng Sun, Junfeng Sun, Xu Shen, Xu Shen, Danli Jiang, Danli Jiang, Hongjia Ouyang, Hongjia Ouyang, Danning Xu, Yunbo Tian, Yunbo Tian, Yunmao Huang, Yunmao Huang   +16 more
doaj   +1 more source

Effects of habitat conditions in created wetlands on sustaining wintering waterfowl in riverine plains, Nakdong River, South Korea

Journal of Ecology and Environment, 2015
The landscape setting of a habitat strongly influences the distribution, abundance, and species composition of waterfowl. Thus, habitat assessment is very important to understand the habitat characteristics that sustain waterfowl
Jong-Yun Choi1, Ji-Deok Jang, Kwang-Seuk Jeong, Gea-Jae Joo   +3 more
doaj   +1 more source

Polysaccharide of Atractylodes macrocephala Koidz (PAMK) Relieves Immunosuppression in Cyclophosphamide-Treated Geese by Maintaining a Humoral and Cellular Immune Balance

Molecules, 2018
Polysaccharide of Atractylodes macrocephala Koidz (PAMK) has been well recognized as an immune enhancer that can promote lymphocyte proliferation and activate immune cells.
Wanyan Li, Sixuan Guo, Danning Xu, Bingxin Li, Nan Cao, Yunbo Tian, Qingyan Jiang   +6 more
doaj   +1 more source

Effects of submerged aquatic vegetation and water quality on waterfowl abundance by foraging guild

Ecological Solutions and Evidence, 2022
Back Bay, Virginia, has been documented as an important foraging area for waterfowl since at least the mid‐1800s. Expansive submerged plant beds historically supported diverse assemblages of non‐breeding waterfowl; however, coastal development and other ...
Carly Diane Sibilia, Jesús Aguirre‐Gutiérrez, Lauren Mowbray, Yadvinder Malhi   +3 more
doaj   +1 more source

Using Breeding Bird Survey and eBird data to improve marsh bird monitoring abundance indices and trends

Avian Conservation and Ecology, 2023
The elusive nature of many marsh-breeding birds presents a challenge for effective population monitoring. The Great Lakes Marsh Monitoring Program (GLMMP), delivered by Birds Canada, addressed these challenges by concentrating survey efforts in marsh ...
Kristin Bianchini, Douglas C. Tozer
doaj  

The impacts of biological invasions

Biological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock, Teun Everts, Neil Angelo S. Abreo, Jamie Bojko, Victor Deklerck, James W. E. Dickey, Ana Clara S. Franco, Emili García‐Berthou, Stelios Katsanevakis, Natalia I. Kirichenko, Stefano Mammola, Martin A. Nuñez, Ben Parker, Riccardo Scalera, Ismael Soto, Diederik Strubbe, Ali Serhan Tarkan, Lorenzo Vilizzi, Tim Adriaens, Paride Balzani, Dagmara Błońska, Elizabeta Briski, Rein Brys, Amy L. Burgess, James E. Byers, Carlos Cano‐Barbacil, Giuseppe Castaldelli, Jaimie T.A. Dick, Victoria Dominguez Almela, Romina D. Dimarco, Margarita Florencio, Antonín Kouba, Melina Kourantidou, Irmak Kurtul, Irene Martín‐Forés, Olivier Morissette, Julian D. Olden, Bruno E. Soares, Jakub Truszkowski, Hugo Verreycken, Marc Kenis, Ronaldo Sousa, J. Robert Britton   +42 more
wiley   +1 more source