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超越生产力:研究英国双重用途品种Ixworth的骨骨折和福利问题

Senta Becker¹, Wolfgang Büscher², Inga Tiemann³

¹Institute of Agricultural Engineering, University of Bonn, Nußallee 5, 53115 Bonn, Germany; Chamber of Agriculture of North Rhine-Westphalia, Department of Animal Husbandry and Animal Breeding Law, Haus Düsse 2, 59505 Bad Sassendorf, Germany.

Poultry science

|December 20, 2025

概括

骨骨折 (KBF) 等福利问题影响了传统的品种,挑战了关于低产鸟类的假设. 卵子大小,而不是产卵频率,是伊克斯沃思母中KBF的关键风险因素.

科学领域:

动物科学动物科学
兽医医学兽医医学兽医医学
禽畜科学禽畜科学禽畜科学

背景情况:

基尔骨骨折 (KBF) 是产母的重大福利问题.
以前的研究主要将KBF与高产卵性能联系在一起.
传统的品种通常被认为由于生产率较低,因此福利问题较少.

研究的目的:

调查传统的英国伊克斯沃思品种的福利问题,特别是KBF.
在非商业,双重用途的种群中识别KBF的风险因素.
评估其他福利指标,例如这种品种的羽毛状况和脚病变.

主要方法:

在 Ixworth 中评估了 KBF 的流行率和位置.
与产卵性能,卵子大小和年龄相关联的KBF.
在整个产卵期评估羽毛状况和脚病变的流行率.

主要成果:

在Ixworth中发现KBF的高流行率 (69.2%),特别是在尾部地区.
在关键骨化时期 (31-35周) 的卵子大小被确定为KBF的主要危险因素,而不是总卵数.
羽毛损伤在产卵中期达到顶峰,但恢复;脚病变随着年龄的增长而增加,与卵产量有适度的相关性.

结论:

像Ixworth这样的传统品种容易出现福利问题,包括KBF和脚病变.
降低生产率并不能消除福利风险;卵子大小和骨化等因素至关重要.
对于替代性家禽系统,需要对其他品种和风险因素进行进一步的研究.

关键词:

动物福利动物福利国内的肉.基尔骨骨折基尔骨骨折基尔骨骨折当地的品种本地品种.福利问题福利问题

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