Young Blond d’Aquitaine, Angus and Limousin bulls differ in emotional reactivity: Relationships with animal traits, stress reactions at slaughter and post-mortem muscle metabolism

Bourguet, Cécile; Deiss, Véronique; Boissy, Alain; Terlouw, Claudia

doi:10.1016/j.applanim.2014.12.009

Cited by 31 publications

(47 citation statements)

References 29 publications

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“…There is some evidence of links between stress at slaughter and altered early postmortem muscle pH; Bourguet et al (2011) reported that female cattle slaughtered without stunning had a faster muscle pH decline than females slaughtered post stunning. Similarly bulls with an increased heart rate (indicating a stressed state) just prior to slaughter had a more rapid early post-mortem muscle pH decline (Bourguet et al, 2015). The rate of muscle pH decline has the potential to indicate the level of stress experienced by an animal during the slaughter process, however, as with some other forms of biological measures, does not allow for the 'pinpointing' of potential stressors.…”

Section: Biochemical and Haematological Measuresmentioning

confidence: 99%

Assessing cattle welfare at slaughter – Why is it important and what challenges are faced?

2018

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The welfare of animals in the meat industry, especially at the time of slaughter, has become an area of increasing public scrutiny and has prompted research on its assessment, and enhancement. Fundamental factors such as the effects of transport, reactions of the animals to novel environments and underlying commercial pressures which impose 'speed' and 'robustness of action' in the way animals are handled, can pose a challenge when establishing a valid, reliable and feasible welfare assessment protocol for use at slaughter. The purpose of this review is to assess published work on animal welfare at slaughter, with a focus on the current methods used to assess cattle welfare in the slaughterhouse, which are outlined in the scientific and trade literature, and how these relate to the interaction between the environment, the animal, and slaughterhouse personnel.

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Section: Biochemical and Haematological Measuresmentioning

confidence: 99%

Assessing cattle welfare at slaughter – Why is it important and what challenges are faced?

2018

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“…The second stage of the study investigated the response of the 32 extreme cows selected from the FLT, to first, a positive stimulus, the presentation of feed pellets in a trough, based on a study by Boissy et al (2007), and, second, a negative stimulus, which was a rapidly opening umbrella in front of each cow, based on a study by Bourguet et al (2015). Each cow was tested individually for 3-5 min once a time after the morning (a.m.) milking, in a test pen (18 x 16 m) with solid sides and an earth floor.…”

Section: Response To Positive and Negative Stimulimentioning

confidence: 99%

“…Ear position of each cow was recorded as that displayed within 2 s of opening the umbrella. An umbrella response score, ranging totalling from 6 to 38, was then attributed to each cow, based on the scoring system of Bourguet et al (2015). This was comprised of the following individual components to each cow: 1) distance of the cow from the umbrella (from 0-3.5+ m, scored from 2-9), 2) initial response movement, scored as (stood = 2, splayed leg = 4, head bob = 6, walk = 8, side step = 10, turn = 12, front leg jump = 14, run = 16, pivot = 18 and whole body jump = 20), and 3) later response movement, scored as (nothing = 2, stand and watch = 4, walk away with no eye contact = 6, walk away plus eye contact = 7, run with no eye contact = 8, run away plus eye contact = 9).…”

Section: Response To Positive and Negative Stimulimentioning

confidence: 99%

A forced lateralisation test for dairy cows and its relation to their behaviour

Goma

Gareth

Uddin

et al. 2018

Applied Animal Behaviour Science

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Dairy cows' emotional state can sometimes be inferred from their behaviour, for example previous studies have suggested that those passing a novel person to the right are more likely to be anxious than those passing to the left. We undertook two studies of cow behaviour as they passed a novel person, to validate these behaviours as emotional indicators, in addition to determining correlations to other indices of emotional state. Cows passing to the right were more likely to have a raised or tucked tail, sniff the ground, walk slowly and a faster exit when put in a crush, compared with those passing to the left, which had their ears held forwards. From a principal component analysis, it was determined that cows passing on the right side were also most likely to pass without turning their head towards the person, pass singly and defecate whilst passing. However, those passing to the left side were most likely to turn to look at the person and pass in pairs. Cows with high milk yields were more likely to pass on the right side. Measurements of side of passage were repeatable between experiments but those of ear position were not. It is concluded that side of passage past a person correlates with 2 other behavioural indicators of the cow's emotional state, with those passing to the right (i.e. left eye/right brain hemisphere) apparently more anxious. Evidence was also provided that high yielding cows are more anxious, as assessed by right side passage. With further validation, side of passage past a person could be developed as a simple measure of emotional state in dairy cows that can be conducted under field conditions.

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“…Les sursauts sont des réactions caractéristiques d'un événement imprévisible et soudain (Désiré et al 2004). Nos précédents travaux suggèrent que dans le contexte de l'abattage, les événements soudains seraient perçus par les bovins et contribueraient à leur stress (Bourguet et al 2015).…”

Section: Les éVénements Imprévisibles Et Soudainsunclassified

“…En abattoirs, des sursauts peuvent notamment être observés dans le couloir d'amenée, à proximité du piège d'étourdissement, suite au bruit soudain provoqué par le tir du pistolet à tige perforante. Dans une étude menée en conditions contrôlées, nous avons étudié les réactions de taurillons individuellement placés dans un couloir de conduite (Bourguet et al 2015). Au bout de ce couloir, les animaux étaient soumis à un événement imprévisible et soudain de la même manière qu'en abattoir commercial, mais qui correspondait ici à l'ouverture d'un parapluie automatique (figure 2).…”

Section: Les éVénements Imprévisibles Et Soudainsunclassified

Comprendre la manière dont l’animal perçoit et évalue son environnement pour réduire son stress en abattoir : exemple chez les bovins

Bourguet¹,

Deiss²,

Terlouw³

2016

bavf

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L'abattage démarre dès la préparation de l'animal en élevage pour le départ à l'abattoir et s'achève avec la mort de l'animal. C'est une période complexe : au cours des différentes étapes de l'abattage, des sources de stress d'origine physique, émotionnelle, sociale et cognitive interviennent. Alors que celles d'origine physique sont bien connues, les autres le sont moins. Elles ont pourtant un impact significatif sur l'état de stress des bovins. En effet, les perturbations sociales, l'exposition à des événements nouveaux et/ou soudains, les manipulations par l'homme ainsi que l'environnement visuel, sonore et olfactif sont autant de facteurs potentiellement stressants qui s'ajoutent et interagissent avec les contraintes physiques. Un certain nombre de conseils pratiques relatifs aux équipements et à la gestion des bovins permettent de limiter ces sources de stress. Associés à des observations du comportement des animaux au cours des différentes procédures de la période d'abattage, ils peuvent permettre de réduire considérablement le stress des bovins.The slaughter period starts with the preparation of the animal for transport to the abattoir and ends with the death of the animal. It is a complex period, and the different stages may present different causes of stress which may be of physical and emotional, cognitive and social origin. The latter categories are less well described although they have a significant impact on the stress status of cattle at slaughter. Social disturbances, exposure to novel or sudden events, handling by humans and the visual, olfactory and audible context may all be causes of stress, in interaction with the physical constraints. We propose several practical recommendations relative the equipment used and the management of the animals to reduce causes of stress. If behavioural observations at the different slaughter stages indicate difficulties, these recommendations may help to reduce considerably the stress of the cattle at slaughter.

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Young Blond d’Aquitaine, Angus and Limousin bulls differ in emotional reactivity: Relationships with animal traits, stress reactions at slaughter and post-mortem muscle metabolism

Cited by 31 publications

References 29 publications

Assessing cattle welfare at slaughter – Why is it important and what challenges are faced?

Assessing cattle welfare at slaughter – Why is it important and what challenges are faced?

A forced lateralisation test for dairy cows and its relation to their behaviour

Comprendre la manière dont l’animal perçoit et évalue son environnement pour réduire son stress en abattoir : exemple chez les bovins

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