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Macroscopic examination of multiple-shot cattle heads—an animalwelfare due diligence tool for abattoirs using penetrating captive bolt devices?

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Macroscopic examination of multiple-shot cattle heads—an animalwelfare due diligence tool for abattoirs using penetrating captive bolt devices? / Grist, Andrew; Knowles, Toby G.; Wotton, Stephen.

In: Animals, Vol. 9, No. 6, 328, 06.06.2019.

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@article{22d73ca724484eae8a6a198e6e23f9e4,
title = "Macroscopic examination of multiple-shot cattle heads—an animalwelfare due diligence tool for abattoirs using penetrating captive bolt devices?",
abstract = "Ideally, the application of a penetrating captive bolt device to render cattle immediately unconscious prior to slaughter would be 100{\%} effective. Unfortunately, due to various factors this is not always the case. This paper examined, as an initial proof of concept, 12 bovine heads which had received more than one shot from a penetrating captive bolt, collected from various abattoirs within the United Kingdom. The heads were frozen to facilitate splitting on the medial plane to prevent distortion of soft tissue and each sagittal section was examined macroscopically to ascertain if this method could be used to determine the reasons for repeated stun attempts. In 10 out of 12 heads, shot placement was the determining factor, in one other head it was felt that anatomical variation was the reason and the twelfth head demonstrated signs of gun malfunction as the likely cause. This work provides evidence for a larger trial to facilitate the production of guidance for the abattoir industry, the Animal Welfare Offcer and regulators on the examination of heads as part of an investigation of failures of a mechanical stunning system and to provide training material for slaughter staff tasked with effectively stunning cattle.",
keywords = "Abattoir, Animal welfare, Animal Welfare Offcer, Captive bolt, Cattle, Due diligence, Multiple stun attempts",
author = "Andrew Grist and Knowles, {Toby G.} and Stephen Wotton",
year = "2019",
month = "6",
day = "6",
doi = "10.3390/ani9060328",
language = "English",
volume = "9",
journal = "Animals",
issn = "2076-2615",
publisher = "MDPI AG",
number = "6",

}

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TY - JOUR

T1 - Macroscopic examination of multiple-shot cattle heads—an animalwelfare due diligence tool for abattoirs using penetrating captive bolt devices?

AU - Grist, Andrew

AU - Knowles, Toby G.

AU - Wotton, Stephen

PY - 2019/6/6

Y1 - 2019/6/6

N2 - Ideally, the application of a penetrating captive bolt device to render cattle immediately unconscious prior to slaughter would be 100% effective. Unfortunately, due to various factors this is not always the case. This paper examined, as an initial proof of concept, 12 bovine heads which had received more than one shot from a penetrating captive bolt, collected from various abattoirs within the United Kingdom. The heads were frozen to facilitate splitting on the medial plane to prevent distortion of soft tissue and each sagittal section was examined macroscopically to ascertain if this method could be used to determine the reasons for repeated stun attempts. In 10 out of 12 heads, shot placement was the determining factor, in one other head it was felt that anatomical variation was the reason and the twelfth head demonstrated signs of gun malfunction as the likely cause. This work provides evidence for a larger trial to facilitate the production of guidance for the abattoir industry, the Animal Welfare Offcer and regulators on the examination of heads as part of an investigation of failures of a mechanical stunning system and to provide training material for slaughter staff tasked with effectively stunning cattle.

AB - Ideally, the application of a penetrating captive bolt device to render cattle immediately unconscious prior to slaughter would be 100% effective. Unfortunately, due to various factors this is not always the case. This paper examined, as an initial proof of concept, 12 bovine heads which had received more than one shot from a penetrating captive bolt, collected from various abattoirs within the United Kingdom. The heads were frozen to facilitate splitting on the medial plane to prevent distortion of soft tissue and each sagittal section was examined macroscopically to ascertain if this method could be used to determine the reasons for repeated stun attempts. In 10 out of 12 heads, shot placement was the determining factor, in one other head it was felt that anatomical variation was the reason and the twelfth head demonstrated signs of gun malfunction as the likely cause. This work provides evidence for a larger trial to facilitate the production of guidance for the abattoir industry, the Animal Welfare Offcer and regulators on the examination of heads as part of an investigation of failures of a mechanical stunning system and to provide training material for slaughter staff tasked with effectively stunning cattle.

KW - Abattoir

KW - Animal welfare

KW - Animal Welfare Offcer

KW - Captive bolt

KW - Cattle

KW - Due diligence

KW - Multiple stun attempts

UR - http://www.scopus.com/inward/record.url?scp=85070461432&partnerID=8YFLogxK

U2 - 10.3390/ani9060328

DO - 10.3390/ani9060328

M3 - Article

VL - 9

JO - Animals

JF - Animals

SN - 2076-2615

IS - 6

M1 - 328

ER -