Keel bone fractures in laying hens: a systematic review of prevalence across age, housing systems, and strains

C Rufener, MM Makagon - Journal of Animal Science, 2020 - academic.oup.com
According to the British Farm Animal Welfare Council (FAWC), keel bone fractures (KBF) are
considered one of the most important welfare problems in commercial laying hens (FAWC …

[HTML][HTML] Explanations for keel bone fractures in laying hens: are there explanations in addition to elevated egg production?

MJ Toscano, IC Dunn, JP Christensen, S Petow… - Poultry science, 2020 - Elsevier
The current article served to provide the most up-to-date information regarding the causes of
keel bone fracture. Although elevated and sustained egg production is likely a major …

Keel bone fractures in Danish laying hens: Prevalence and risk factors

ICN Thøfner, J Dahl, JP Christensen - PloS one, 2021 - journals.plos.org
Keel bone fractures (KBF) in commercial poultry production systems are a major welfare
problem with possible economic consequences for the poultry industry. Recent …

[HTML][HTML] Linear and nonlinear models for assessing carcass composition using dual X-ray absorptiometry in egg-and meat-type chickens

TL Noetzold, JA Chew, DR Korver, GY Bédécarrats… - Poultry Science, 2024 - Elsevier
The objective of this study was to develop appropriate correction equations for dual energy
X-ray absorptiometry (DXA) for total carcass composition of live meat-and egg-type …

Associations among computed tomographic measures of bone and muscle quality and biomechanical measures of tibiotarsal bone quality in laying hens

C Harrison, J Jones, W Bridges… - American Journal of …, 2023 - Am Vet Med Assoc
OBJECTIVE The objectives of the current study were to quantify laying hen sternal carina
(keel) and tibiotarsal bone and muscle quality using clinical CT, tissue level, and …

Keel bone damage in laying hens—its relation to bone mineral density, body growth rate and laying performance

C Habig, M Henning, U Baulain, S Jansen, AM Scholz… - Animals, 2021 - mdpi.com
Simple Summary Keel bone damage is an important welfare issue for laying hens. Four
lines of laying hens, differing in phylogenetic origin and laying rate kept in single cages or a …

The reliability and accuracy of palpation, radiography, and sonography for the detection of keel bone damage

LM Tracy, SM Temple, DC Bennett, KA Sprayberry… - Animals, 2019 - mdpi.com
Simple Summary Due to the recent increase in reports of the prevalence of keel bone
damage in laying hens, this has become a topic of welfare concern. Keel bone damage is …

[HTML][HTML] n-3 essential fatty acid and vitamin D supplementation improve skeletal health in laying hens

ME Abraham, CI Robison, WK Kim, P Regmi… - Poultry Science, 2023 - Elsevier
Keel bone fractures and osteoporosis are prevalent and damaging skeletal issues in the
laying hen industry. There is a large interest in improving bone quality parameters to reduce …

A tagged visual analog scale is a reliable method to assess keel bone deviations in laying hens from radiographs

L Jung, C Rufener, S Petow - Frontiers in Veterinary Science, 2022 - frontiersin.org
Laying hens often suffer from keel bone damage (KBD) that includes pathologies with
different etiologies, like diverse forms of fractures and deviations. Since KBD is a problem in …

Skeletal health of layers across all housing systems and future research directions for Australia

DLM Campbell - Animal Production Science, 2020 - CSIRO Publishing
Modern laying hens have been selected for an astounding rate of egg production, but the
physiological calcium demand takes a significant toll on their skeletal health. Bones can be …