Intraobserver repeatability for a standardized protocol to quantify keel bone damage in laying hens using discrete and continuous radiographic measures. [PDF]
Vet Radiol Ultrasound, 2023 Harrison C, Jones J, Bridges W, Ali A.
europepmc +3 more sources
Associating maternal keel fracture severities with egg quality, hen reproductive outcome, and chick welfare [PDF]
Poultry ScienceMaternal conditions are known to affect offspring behavior and performance in laying hens. With evidence suggesting that keel fractures cause pain and may lead to stress and fear in affected hens, this study hypothesized decreased egg quality ...
M.O. Logunleko +3 more
doaj +2 more sources
Occurrence, causes and consequences of keel bone damage of laying hens
Acta fytotechnica et zootechnica, 2023 Henrieta Arpášová
openalex +3 more sources
Alternative housing systems have mixed impacts on health and welfare of laying hens [PDF]
Poultry ScienceAs Canadian egg farmers are transitioning from conventional cages to alternative housing systems, it is important to evaluate the impact of these on the health and welfare of laying hens.
Éloïse Denis +3 more
doaj +2 more sources
Genetic markers associated with bone strength and density in Rhode Island Red laying hens [PDF]
Poultry ScienceDamage to the keel bone in commercial laying hens represent one of the greatest welfare issues in laying hens. This study aims to identify the DNA markers and candidate genes for bone strength and density traits in a Rhode Island Red laying hen ...
Qiaoxian Yue +10 more
doaj +2 more sources
Keel bone damage affects behavioral and physiological responses related to stress and fear in two strains of laying hens. [PDF]
J Anim Sci, 2022 Wei H +7 more
europepmc +3 more sources
Can the assessment of skin injuries and keel bone damage at the slaughterhouse replace on-farm assessments? [PDF]
PLoS OneJung L, Kulig B, Louton H, Knierim U.
europepmc +2 more sources
Laying hen welfare -The prevention of feather pecking and keel bone damage
, 2019 Stipendium 'Animal welfare in intensive livestock production systems'
Lisa Jung
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Balancing act: Studying the effect of perch space allowance on welfare in Canadian laying strain pullets raised in floor pens with access to a single-tier perch system to 18 wk of age [PDF]
Poultry ScienceThe rearing environment for pullets should mirror their later production environment as closely as possible. However, existing perch space recommendations are based on data for laying hens rather than pullets.
Carolin A.B. Adler +6 more
doaj +2 more sources
Assessing keel bone damage in laying hens by palpation: effects of assessor experience on accuracy, inter-rater agreement and intra-rater consistency. [PDF]
Poult Sci, 2019 Buijs S +5 more
europepmc +2 more sources