Understanding the Causes of Keel Bone Damage and Its Effects on the Welfare of Laying Hens
文献类型： 外文期刊
作者： Li, Xin 1 ; Cai, Xia 1 ; Wang, Xiaoliang 1 ; Zhu, Lihui 1 ; Yan, Huaxiang 1 ; Yao, Junfeng 1 ; Yang, Changsuo 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Husb & Vet Sci, Shanghai 201106, Peoples R China
2.Natl Poultry Engn Technol Res Ctr, Shanghai 201106, Peoples R China
关键词： laying hens; keel bone damage; influencing factors; evaluation method
期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.2 ）
ISSN： 2076-2615
年卷期： 2024 年 14 卷 24 期
页码：
收录情况： SCI
摘要： Keel 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. This comprehensive review undertakes a detailed exploration of the diverse factors contributing to KBD, such as inadequate calcium sources in the medullary bone, genetic factors, nutritional deficiencies, and physical stressors. The consequences of KBD on production performance, stress and inflammation levels, and the physical and chemical properties of the keel are meticulously examined. Additionally, the review evaluates the existing methods for assessing KBD, including keel curvature scoring, imaging techniques, palpation, biomechanical testing, behavioral observations, and biochemical markers. Finally, management strategies, including nutritional adjustments, genetic selection, and environmental modifications, are proposed to potentially mitigate the prevalence and severity of KBD, thereby aiming to enhance the welfare and productivity of laying hens.
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