DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS

The damages of the locomotor system and the skeletal system, in particular, are one of the major problems in the industrial poultry farming. The topic for the pathological changes in the keel bone in oviparous birds has become especially popular among scientists and researchers in recent years. The...

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Main Authors: K. Uzunova, L. Lazarov
Format: Article
Language:English
Published: Trakia University 2020-12-01
Series:Trakia Journal of Sciences
Subjects:
Online Access:http://tru.uni-sz.bg/tsj/TJS%20-%20Suppl.1,%20Vol.18,%202020/4_K.Uzunova.pdf
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author K. Uzunova
L. Lazarov
author_facet K. Uzunova
L. Lazarov
author_sort K. Uzunova
collection DOAJ
description The damages of the locomotor system and the skeletal system, in particular, are one of the major problems in the industrial poultry farming. The topic for the pathological changes in the keel bone in oviparous birds has become especially popular among scientists and researchers in recent years. The high incidence of keel bone damage (KBD) of laying hens in industrial complexes is one of the biggest welfare problems facing the industry. They lead to disturbance of the animal welfare, causing pain, limiting the ability to move and to perform the characteristic behaviour of the species. This in turn causes a decrease in productivity and unacceptably large losses not only for the individual producer but also for the whole sector. The problem with the KBD is widespread in Switzerland, Great Britain, the Nederland, Belgium, Germany, and Canada. Different genetic lines of laying hens are affected, as well as all types of breeding systems. In general, the etiological factors are reduced to three main groups – genetic predisposition, unbalanced diet and imperfections in housing systems. The causes and influencing factors of KBD remain unknown to the research community - a circumstance that seriously complicates the development of effective strategies to reduce their occurrence and severity.
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spelling doaj.art-52ec6355264c4c829a2897ad9a2e561a2022-12-21T21:54:59ZengTrakia UniversityTrakia Journal of Sciences1313-35512020-12-0118Suppl. 1192310.15547/tjs.2020.s.01.004DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTSK. UzunovaL. LazarovThe damages of the locomotor system and the skeletal system, in particular, are one of the major problems in the industrial poultry farming. The topic for the pathological changes in the keel bone in oviparous birds has become especially popular among scientists and researchers in recent years. The high incidence of keel bone damage (KBD) of laying hens in industrial complexes is one of the biggest welfare problems facing the industry. They lead to disturbance of the animal welfare, causing pain, limiting the ability to move and to perform the characteristic behaviour of the species. This in turn causes a decrease in productivity and unacceptably large losses not only for the individual producer but also for the whole sector. The problem with the KBD is widespread in Switzerland, Great Britain, the Nederland, Belgium, Germany, and Canada. Different genetic lines of laying hens are affected, as well as all types of breeding systems. In general, the etiological factors are reduced to three main groups – genetic predisposition, unbalanced diet and imperfections in housing systems. The causes and influencing factors of KBD remain unknown to the research community - a circumstance that seriously complicates the development of effective strategies to reduce their occurrence and severity.http://tru.uni-sz.bg/tsj/TJS%20-%20Suppl.1,%20Vol.18,%202020/4_K.Uzunova.pdflaying henskeel bonefracturesetiology
spellingShingle K. Uzunova
L. Lazarov
DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS
Trakia Journal of Sciences
laying hens
keel bone
fractures
etiology
title DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS
title_full DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS
title_fullStr DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS
title_full_unstemmed DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS
title_short DAMAGES OF THE KEEL BONE IN LAYING HENS – OVERVIEW OF THE ETIOLOGICAL ASPECTS
title_sort damages of the keel bone in laying hens overview of the etiological aspects
topic laying hens
keel bone
fractures
etiology
url http://tru.uni-sz.bg/tsj/TJS%20-%20Suppl.1,%20Vol.18,%202020/4_K.Uzunova.pdf
work_keys_str_mv AT kuzunova damagesofthekeelboneinlayinghensoverviewoftheetiologicalaspects
AT llazarov damagesofthekeelboneinlayinghensoverviewoftheetiologicalaspects