Origins of movements following stunning and during bleeding in cattle

Terlouw, Claudia; Bourguet, Cécile; Deiss, Véronique; Mallet, Christophe

doi:10.1016/j.meatsci.2015.07.010

Cited by 30 publications

(37 citation statements)

References 20 publications

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“…In their experiment, Terlouw et al (2015) in which the connection between the brain and the spinal cord has been interrupted at the level between the foramen magnum and the first vertebra (Terlouw et al, 2015). Martin et al (2018) studied whether a longer bolt serves as a tool to suppress limb movements following stunning as a consequence of greater brain damage at commercial abattoirs in the USA.…”

Section: E Valuati On Of the Effec Tivene Ss Of C At Tle S Tunning mentioning

confidence: 99%

“…Greater brain damage with an elongated captive bolt could lead to greater damage to the deeper areas of the brain that control mo- Nystagmus is considered a less reliable indicator (Terlouw et al, 2015). According to Grandin (2013) a correctly stunned animal must…”

Section: E Valuati On Of the Effec Tivene Ss Of C At Tle S Tunning mentioning

confidence: 99%

“…Second, it depends on the effect of mechanical destruction when the bolt penetrates the brain and then on the level of damage to the brain tissue when the bolt is pulled out of the wound, during which bleeding occurs as a result of structural changes. The shot location has a large influence on all these aspects (Terlouw et al, 2015).…”

mentioning

confidence: 99%

“…Four bulls did not display any movement at all. Movements of the fore limbs were observed in 13 cows and 7 bulls, movements of the hind limbs in 16 cows and 12 bulls(Terlouw et al, 2015) Grandin (2013). considers the interpretation of reflex kicking motions with the limbs as a return to a state of sensibility a mistake made by many people at abattoirs in the evaluation of the loss of consciousness.…”

mentioning

confidence: 99%

“…Reflex kicking motions of the limbs may be a sign of correct stunning in animals in a state of unconsciousness. According to theTerlouw et al (2015), the presence of limb movements or turning of the head cannot be considered an indicator of the degree of consciousness. Structures in the brain stem and spinal cord are engaged in the autonomic production of rhythmic motor activity which results in the occurrence of uncontrolled movements of the limbs or neck independently of consciousness.…”

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confidence: 99%

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Cattle stunning with a penetrative captive bolt device: A review

Kameník

Páral

Pyszko

et al. 2019

Animal Science Journal

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The captive bolt device has been used for stunning cattle at abattoirs for more than 100 years and is now one of the stunning devices used most widely. The aim of this review article was to assess the effects that are decisive during cattle slaughter on the quality of stunning with the use of a captive bolt stunning device. The basis of effective stunning is the use of a suitable type of device, with the speed of the bolt and the kinetic energy corresponding to the anatomical parameters of the slaughtered animal. The importance of the regular cleaning and maintenance of stunning devices and monitoring of the effectiveness of stunning goes without saying. The immediate loss of sensibility in the animal must occur after the first shot. The effectiveness of the stunning process can be quantified by regular monitoring of the behavior of animals after stunning with an emphasis on the loss of reflexes (corneal reflex, regular breathing, attempts to regain physiological posture) and checks on the shot location on the skulls of slaughtered animals.

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Section: E Valuati On Of the Effec Tivene Ss Of C At Tle S Tunning mentioning

confidence: 99%

Section: E Valuati On Of the Effec Tivene Ss Of C At Tle S Tunning mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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confidence: 99%

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Cattle stunning with a penetrative captive bolt device: A review

Kameník

Páral

Pyszko

et al. 2019

Animal Science Journal

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Answers to Patient, Student, and Clinician Questions About How Animals Are Slaughtered and Used for Food

2023

AMA Journal of Ethics

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Do cattle and other animals know they are walking up a chute that will lead to their death?" Many people ask this question, which the author first had to answer when starting work in the cattle industry. From observations at slaughter plants, feedlots, and ranches, the author learned that cattle behavior was the same when entering a chute for vaccination and when entering a chute for slaughter. If cattle knew they would die, their behavior should have been wilder and more agitated at the slaughter plant, but that was clearly not the case. This article canvasses points of ethical and clinical relevance for discussions about human dietary consumption and practice.Animals React to Slaughter Do animals know they are going to be slaughtered? Scientific research has clearly shown that physiological measures of stress during handling are similar at a ranch and at a slaughter plant. Cortisol (stress hormone) levels were in the same range in both places. 1,2,3 If the cattle, for example, knew they were going to die, the stress hormone levels should have been much higher at the slaughter plant.The things that frighten cattle are definitely not the same things that frighten people. Cattle and pigs will often stop and refuse to move through a chute if they see little visual distractions that people do not notice. The distractions might be a coat hung on a fence, sharp shadows from fences that create stripes on the floor, or a dangling chain. 4,5 When the visual distractions are removed, the animals will often move more easily through the chute. Animals are also more likely to refuse to move into a chute that has a dark entrance. The addition of a lamp to illuminate a dark entrance will often make cattle and pigs more willing to enter. 6,7 At a recent start-up at a new plant, the cattle moved easily through the chute during the daytime, but they often stopped and refused to move forward in the evening. I told the people at this plant to watch the cattle very carefully and observe when they stopped in the system. Cattle and other animals will often stop and look at visual distractions. When we conferenced each other by video call, I observed that a small bright light on the corner of the building caused the problem. Turning the light off improved cattle Citation

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The Welfare of Cattle at Slaughter

Grandin

2023

Animal Welfare

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Origins of movements following stunning and during bleeding in cattle

Cited by 30 publications

References 20 publications

Cattle stunning with a penetrative captive bolt device: A review

Cattle stunning with a penetrative captive bolt device: A review

Answers to Patient, Student, and Clinician Questions About How Animals Are Slaughtered and Used for Food

The Welfare of Cattle at Slaughter

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