The Influence of Keel Bone Damage on Welfare of Laying Hens [PDF]
Frontiers in Veterinary Science, 2018 This article reviews current knowledge about welfare implications of keel bone damage in laying hens. As an initial part, we shortly describe the different conditions and present major risk factors as well as findings on the prevalence of the conditions.
Anja B. Riber +2 more
doaj +7 more sources
Prevalence of Keel Bone Damage in Red Jungle Fowls (Gallus gallus)—A Pilot Study [PDF]
Animals, 2020 Keel bone damage (KBD) is a highly prevalent problem in commercial egg production. KBD consists of two different conditions affecting the keel: Keel bone deviation and keel bone fractures (KBF).
Käthe Elise Kittelsen +5 more
doaj +11 more sources
Keel Bone Damage in Laying Hens—Its Relation to Bone Mineral Density, Body Growth Rate and Laying Performance [PDF]
Animals, 2021 Keel bone damage is an important animal welfare problem in laying hens. Two generations of four layer lines, differing in phylogenetic background and performance level and kept in single cages or floor pens were weighed and scored for keel bone ...
Christin Habig +5 more
doaj +6 more sources
Keel Bone Damage in Commercial Laying Hen Hybrids [PDF]
Veterinary Medicine and ScienceThis work reviews the influence of production systems, strain and age of laying hens on keel bone damages (KBDs) with the subsequent welfare implications and production losses.
N. Abdallah, K. Kursun, M. Baylan
doaj +5 more sources
Automatic Assessment of Keel Bone Damage in Laying Hens at the Slaughter Line [PDF]
Animals, 2021 Keel bone damage (KBD) can be found in all commercial laying hen flocks with a wide range of 23% to 69% of hens/flock found to be affected in this study.
Lisa Jung +3 more
doaj +7 more sources
Influence of keel impacts and laying hen behavior on keel bone damage [PDF]
Poultry Science: Keel bone damage, which presents as fractures and/or deviations of the keel, has been detected in laying hens housed in all types of systems. Factors leading to keel bone damage in hens housed with limited vertical space, such as those housed in ...
Sydney L. Baker +4 more
doaj +6 more sources
Soft perches in an aviary system reduce incidence of keel bone damage in laying hens. [PDF]
PLoS ONE, 2015 Keel bone fractures and deviations are one of the major welfare and health issues in commercial laying hens. In non-cage housing systems like aviaries, falls and collisions with perches and other parts of the housing system are assumed to be one of the ...
Ariane Stratmann +6 more
doaj +8 more sources
Japanese quails (Coturnix Japonica) show keel bone damage during the laying period—a radiography study [PDF]
Frontiers in PhysiologyKeel bone damage is an important welfare issue in laying hens and can occur with a high prevalence of up to 100% of hens within one flock. Affected hens suffer from pain.
Lisa Hildebrand +5 more
doaj +7 more sources
Understanding the Causes of Keel Bone Damage and Its Effects on the Welfare of Laying Hens [PDF]
AnimalsKeel bone damage (KBD) is a prominent concern within the realm of the egg-laying industry, exerting substantial impacts on the welfare and productivity of laying hens.
Xin Li +6 more
doaj +6 more sources
Comparisons of longitudinal radiographic measures of keel bones, tibiotarsal bones, and pelvic bones versus post-mortem measures of keel bone damage in Bovans Brown laying hens housed in an aviary system [PDF]
Frontiers in Veterinary ScienceKeel bone damage, include deviations and fractures, is common in both white and brown laying hens, regardless of the housing system. Radiography for assessing birds’ keel bones is was proposed by previous studies.
Moh Sallam +7 more
doaj +7 more sources