Presence of keel bone damage in laying hens, pullets and roosters of local chicken breeds [PDF]
PLoS OneIn commercial laying hens, keel bone damage (KBD) is a severe health and welfare problem leading to pain, reduced mobility and decreased laying performance. Flocks of all production systems and hybrid lines can be affected.
Lisa Jung +4 more
semanticscholar +2 more sources
PSXIII-4 Effects of Keel Bone Fracture on Behavioral Fear Responses of Laying Hens in the Late Laying Period [PDF]
J Anim Sci, 2022 Keel bone fracture (KBF) of laying hens has become one of the important welfare problems for health and production performance. The present study aimed to assess the fear responses in native breed of Lindian chickens and commercial Hyline Brown laying ...
Runxiang Zhang +3 more
semanticscholar +2 more sources
Fracture morphology and ossification process of the keel bone in modern laying hens based on radiographic imaging [PDF]
PLoS OneKeel bone fractures (KBF) are one of the most important welfare problems in commercial laying hens. Despite extensive research on the matter, its etiology remains unclear.
P. Gretarsson +5 more
semanticscholar +2 more sources
Automatic Assessment of Keel Bone Damage in Laying Hens at the Slaughter Line [PDF]
Animals (Basel), 2021 Simple Summary Keel bone damage (KBD) is very prevalent in commercial laying hen flocks with a wide range of affected hens/flock. It can cause pain, and affected hens have been found to be less mobile.
Lisa Jung +3 more
semanticscholar +2 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 +2 more sources
Early Onset of Laying and Bumblefoot Favor Keel Bone Fractures
Animals, 2015 Numerous studies have demonstrated influences of hybrid, feed, and housing on prevalence of keel bone fractures, but influences of behavior and production on an individual level are less known.
Sabine G. Gebhardt-Henrich +1 more
doaj +4 more sources
Welfare parameters and keel bone damage in laying hens reared in different production systems [PDF]
Biotechnology in Animal Husbandry, 2021 The aim of this study was to determine the effect of housing system and the age of hens on welfare parameters and the prevalence of keel bone damage in laying hens. In this study two housing systems were evaluated: aviary system and enriched cages.
Spiridonović Sava +4 more
doaj +2 more sources
Do laying hens with keel bone fractures experience pain? [PDF]
PLoS ONE, 2012 The European ban on battery cages has forced a change towards the use of non-cage or furnished cage systems, but unexpectedly this has been associated with an increased prevalence of keel bone fractures in laying hens.
Mohammed A F Nasr +2 more
doaj +5 more sources
Keel-bone fractures are associated with bone quality differences in laying hens
Animal Welfare, 2021 This study aimed to investigate the relationship between bone quality in terms of metabolism, homeostasis of elements, bone mineral density (BMD), and microstructure and keel-bone fractures in laying hens (Gallusgallusdomesticus).
H. Wei +9 more
semanticscholar +2 more sources
Effect of Escherichia coli lipopolysaccharide challenge on eggshell, tibia, and keel bone attributes in ISA brown hens exposed to dietary n-3 fatty acids prior to onset of lay [PDF]
Poultry Science, 2021 : The impact of Escherichia coli lipopolysaccharide (LPS) challenge on eggshell, tibia, and keel bone characteristics in ISA brown hens derived from breeders and pullets fed omega-3 polyunsaturated fatty acids (n-3 PUFA) was examined.
R. Akbari Moghaddam Kakhki, E.G. Kiarie
doaj +2 more sources