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新型冲击式和颈椎脱臼工具在鸡尸体中的潜在致死性能评估。

Evaluation of the potential killing performance of novel percussive and cervical dislocation tools in chicken cadavers.

作者信息

Martin J E, McKeegan D E F, Sparrey J, Sandilands V

机构信息

a Animal Behaviour and Welfare , SRUC, Roslin Institute Building , Easter Bush, Edinburgh , UK.

b Royal (Dick) School of Veterinary Studies and Roslin Institute , University of Edinburgh , Easter Bush, Edinburgh , UK.

出版信息

Br Poult Sci. 2017 Jun;58(3):216-223. doi: 10.1080/00071668.2017.1280724. Epub 2017 Mar 15.

Abstract
  1. Four mechanical poultry killing devices; modified Armadillo (MARM), modified Rabbit Zinger (MZIN), modified pliers (MPLI) and a novel mechanical cervical dislocation (NMCD) gloved device, were assessed for their killing potential in the cadavers of euthanised birds. 2. A 4 × 4 × 4 factorial design (batch × device × bird type + age) was employed. Ten bird cadavers per bird type and age were tested with each of the 4 devices (N = 160 birds). All cadavers were examined post-mortem to establish the anatomical damage caused. 3. NMCD, MARM and MZIN demonstrated killing potential, as well as consistency in their anatomical effects. NMCD had the highest killing potential, with 100% of birds sustaining the required physical trauma to have caused rapid death. 4. The MPLI was inconsistent, and only performed optimally for 27.5% of birds. Severe crushing injury was seen in >50% of MPLI birds, suggesting that birds would die of asphyxia rather than cerebral ischaemia, a major welfare concern. As a result, the MPLI are not recommended as a humane on-farm killing device for chickens. 5. This experiment provides important data on the killing potential of untried novel percussive and mechanical cervical dislocation methods, informing future studies.
摘要
  1. 对四种机械家禽屠宰设备进行了评估,分别是改良犰狳式(MARM)、改良兔耳夹式(MZIN)、改良钳子式(MPLI)以及一种新型机械颈椎脱臼带手套设备(NMCD),评估其在安乐死禽类尸体上的屠宰潜力。2. 采用4×4×4析因设计(批次×设备×禽类类型+年龄)。每种设备对每种禽类类型和年龄的10具禽类尸体进行测试(N = 160只禽类)。对所有尸体进行尸检,以确定造成的解剖损伤。3. NMCD、MARM和MZIN显示出屠宰潜力,以及在解剖学影响方面的一致性。NMCD的屠宰潜力最高,100%的禽类遭受了足以导致快速死亡的必要身体创伤。4. MPLI的效果不一致,仅对27.5%的禽类表现最佳。超过50%使用MPLI的禽类出现严重挤压伤,这表明禽类会死于窒息而非脑缺血,这是一个主要的福利问题。因此,不建议将MPLI作为一种人道的农场鸡屠宰设备。5. 本实验提供了关于未经试验的新型冲击式和机械颈椎脱臼方法屠宰潜力的重要数据,为未来研究提供了参考。

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