Results 61 to 70 of about 16,020 (281)

Behavioural Priorities of Laying Hens

Avian and Poultry Biology Reviews, 2003
This article reviews the behavioural requirements of laying hens. It primarily concentrates on evidence from consumer demand studies and relates this to the behavioural and physical consequences of denying hens opportunities to express certain activities.
Jonathan Cooper, Melissa J. Albentosa
openaire   +2 more sources

A Description of Laying Hen Husbandry and Management Practices in Canada [PDF]

, 2018
Canadian laying hen farms are transitioning from conventional cage housing to furnished cage and non-cage housing systems to improve laying hen welfare. However, little is known about the current housing and management systems in Canada.
Tina M. Widowski, Tina Widowski, Decina, Caitlin, Nienke van Staaveren, Widowski, Tina M, Berke, Olaf, Olaf Berke, Christine F. Baes, Alexandra Harlander-Matauschek, Baes, Christine F, Harlander-Matauschek, Alexandra, Caitlin Decina, Christine Baes, van Staaveren, Nienke   +13 more
core   +1 more source

Laying hen house characteristics and health management practices in Algeria

Revista Científica
Considering the importance of commercial laying hen farms in the egg production sector in Algeria. This study aimed to describe the laying hen houses and health management practices used in high-density poultry farms.
Yacine Kasmi, Nouzha Heleili, Zohra Ahmed Gaid, Brahim Hamad, Leyla Hadef, Manel Merradi, Zahra Rouabah   +6 more
doaj   +1 more source

Magnesium Requirement of the Laying Hen ,

Poultry Science, 1968
Abstract THE quantitative requirement for magnesium by laying hens has not been established. The National Research Council in 1966 listed the growing chicken's requirement as 500 mg. magnesium per kilogram of feed, but gave no estimate of the hen's requirement while Edwards et al. (1961) showed that the phosphorus level of the hen's diet had a marked
H M, Edwards, D, Nugara
openaire   +2 more sources

How phagocytic cells kill bacteria: Lessons from a professional killer

FEBS Open Bio, EarlyView.
How phagocytic cells ingest and kill bacteria has been studied for more than a century, but many questions remain unanswered. The study of the amoeba Dictyostelium discoideum brings new answers, and new questions. Professional phagocytic cells such as neutrophils and macrophages, as well as free‐living soil amoebae like Dictyostelium discoideum, employ
Otmane Lamrabet, Pierre Cosson
wiley   +1 more source

Differentially expressed genes for aggressive pecking behaviour in laying hens [PDF]

, 2009
Background Aggressive behaviour is an important aspect in the daily lives of animals living in groups. Aggressive animals have advantages, such as better access to food or territories, and they produce more offspring than low ranking animals.
Janss, Luc, Jakob Hedegaard, Hedegaard Jakob, Buitenhuis, Bart, Hedegaard, Jakob, Sørensen, Peter, Janss Luc, Bart Buitenhuis, Peter Sørensen, Buitenhuis Bart, Sørensen Peter, Luc Janss   +11 more
core   +1 more source

ProSiteHunter: A Unified Framework for Sequence‐Based Prediction of Protein‐Nucleic Acid and Protein‐Protein Binding Sites

Advanced Science, EarlyView.
This study proposed a unified sequence‐based framework for protein binding site prediction, which adopted a tri‐track semantic multi‐source feature fusion strategy to effectively capture diverse macromolecular interaction sites and further improved the accuracy of antibody‐antigen interaction prediction.
Dongliang Hou, Qihang Zhen, Zexin Lv, Xinyue Cui, Suhui Wang, Minghua Hou, Zhan Zhou, Xiaogen Zhou, Guijun Zhang   +8 more
wiley   +1 more source

Effect of bird age and storage system on physical properties of eggs from brown laying hens [PDF]

, 2010
A total of 108 eggs from a group of 100 brown laying hens housed in standard cages were analyzed. Thirty-six eggs were retired when the hens had 30 week of age, other 36 eggs were retired when the hens had 35 week of age and the remaining 36 eggs were ...
Daza Andrada, Argimiro, Callejo Ramos, Antonio, Buxade Carbo, Carlos, Cardoso Maciel, William, Siqueira de Castro Teixeira, Regis   +4 more
core   +1 more source

Innate immunity in chicken lines developed by EMBRAPA Suínos e Aves: antimicrobial activity of macrophages and serum

Revista Brasileira de Zootecnia, 2021
The objective of this study was to compare the antimicrobial activity of macrophages and serum in laying hen (MM, CC, and CCc) and broiler chicken lineages (TT and LL). Macrophages were evaluated for phagocytic and antimicrobial activity.
Miriele Caroline da Silva, Ivete Conchon-Costa, Gerson Nakazato, João Waine Pinheiro, Mônica Corrêa Ledur, Wagner Loyola, Emerson José Venancio   +6 more
doaj   +1 more source

Molecular Engineering Mediated Interfacial Assembly as an Artificial Extracellular Matrix Remolds Bacteria With Enhanced Abiotic Resilience

Advanced Science, EarlyView.
A biomimetic artificial extracellular matrix is assembled directly on Pseudomonas fluorescens by co‐assembling amyloid‐like lysozyme and alginate at the cell surface. This conformal nanocoating acts as both a hydration buffer and a physiological priming layer, markedly enhancing desiccation tolerance, seed adhesion, storage stability, and biocontrol ...
Yuanyuan Wang, Zili Jia, Yang Li, Qitao Wang, Shuai Hou, Lei Liu   +5 more
wiley   +1 more source