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加纳屠宰场驴的福利评估。

Assessment of Donkey Welfare at Slaughter in Ghana.

作者信息

Fletcher Katharine, Limon Georgina, Agongo Eric, Akunzule Anthony, Essel Gloria, Padalino Barbara, Grist Andrew, Gibson Troy John

机构信息

Animal Welfare Science and Ethics Group, Department of Pathobiology and Population Sciences, Royal Veterinary College, Hawkshead Lane, Hatfield AL9 7TA, UK.

Veterinary Epidemiology, Economics and Public Health Group, Department of Pathobiology and Population Sciences, Royal Veterinary College, Hawkshead Lane, Hatfield AL9 7TA, UK.

出版信息

Animals (Basel). 2024 Dec 19;14(24):3673. doi: 10.3390/ani14243673.

Abstract

Donkey slaughter in West Africa has received limited scientific attention, despite increasing over recent years. This study aimed to explore factors affecting donkey welfare, both ante-mortem and at slaughter, in the Upper East region of Ghana. A total of 134 donkeys at five different slaughter points were assessed using animal-based indicators. Slaughter involved either blunt force trauma (BFT) using a wooden pole (1 location) or a metal hammer (2 locations); or non-stun ventral neck incision (VNI) (2 locations). Time to loss of consciousness (or return) was assessed, with behavioural and brainstem signs of sensibility/consciousness. Negative human-animal interactions occurred ante-mortem, with animals struck multiple times and handled using aversive methods. Donkeys hit on the head with the wooden pole were five times more likely to be ineffectively concussed ( < 0.001, OR: 5.4, CI: 1.9-15.4) compared to the hammer and took significantly longer to lose consciousness ( < 0.001). The mean time to loss of corneal reflex for those hit by wooden pole was 166.9 s (SD 21.1; range: 79-425 s), compared to just one animal displaying corneal reflex for 59 s after being hit by metal hammer. For those animals slaughtered through VNI, corneal reflex was observed for a mean time of 96.5 s (SD 4.3, range 26-164 s). The findings of this study highlight major concerns regarding the methods used for donkey slaughter in the Upper East region in Ghana, particularly regarding aversive ante-mortem handling and prolonged time to loss of consciousness during VNI and ineffective BFT in inducing unconsciousness by concussion.

摘要

尽管近年来西非的驴屠宰量有所增加,但该领域受到的科学关注有限。本研究旨在探讨加纳上东部地区影响驴屠宰前和屠宰时福利的因素。在五个不同的屠宰点对总共134头驴使用基于动物的指标进行了评估。屠宰方式包括使用木杆(1个地点)或金属锤(2个地点)进行钝器击打(BFT);或非电击颈部腹侧切开术(VNI)(2个地点)。评估了失去意识(或恢复意识)的时间,并观察了感觉/意识的行为和脑干体征。屠宰前发生了负面的人-动物互动,动物被多次击打并采用厌恶的方法进行处理。与使用金属锤相比,用木杆击打头部的驴发生无效脑震荡的可能性高五倍(<0.001,OR:5.4,CI:1.9 - 15.4),且失去意识的时间明显更长(<0.001)。被木杆击打的驴失去角膜反射的平均时间为166.9秒(标准差21.1;范围:79 - 425秒),而被金属锤击打后只有一只动物在59秒后仍显示角膜反射。对于那些通过VNI屠宰的动物,角膜反射平均观察时间为96.5秒(标准差4.3,范围26 - 164秒)。本研究结果凸显了对加纳上东部地区驴屠宰方法的主要担忧,特别是关于厌恶的屠宰前处理、VNI过程中失去意识的时间延长以及钝器击打在诱导脑震荡致无意识方面的无效性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c80f/11672695/ad2c9cff6828/animals-14-03673-g001.jpg

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