Farmer perceptions of pig aggression compared to animal-based measures of fight outcome

RSE Peden*, I Camerlink, Laura A Boyle, F Akaichi, SP Turner

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

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Abstract

Several animal welfare issues persist in practice despite extensive research which has been linked to the unwillingness of stakeholders to make changes. For example, most farmers do not perceive pig aggression to be a problem that requires action despite the fact that stress and injuries are common, and that several solutions exist. Frequent exposure to animal suffering could affect farmer responses to distressed animals. This study investigated for the first time whether this occurs, using pig aggression as a focus. Using video clips, 90 pig farmers judged the severity of aggression, level of pig exhaustion and the strength of their own emotional response. Their judgments were compared to objective measures of severity (pigs’ skin lesions and blood lactate), and against control groups with similar pig experience (10 pig veterinarians) and without experience (26 agricultural students; 24 animal science students). Famers did not show desensitization to aggression. However, all groups underestimated the outcome of aggression when they did not see the fight occurring as compared to witnessing a fight in progress. We suggest that farmers be provided with evidence of the economic and welfare impact of aggression as indicated by lesions and that they be advised to score lesions on affected animals.
Original languageEnglish
Article number22
Pages (from-to)22 - 37
Number of pages16
JournalAnimals
Volume9
Issue number1
Early online date10 Jan 2019
DOIs
Publication statusPrint publication - 10 Jan 2019

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aggression
farmers
swine
animals
lesions (animal)
students
animal science
skin lesions
animal welfare
stakeholders
lactates
veterinarians
economics
blood

Keywords

  • Aggression
  • Animal welfare
  • Desensitization
  • Perception
  • Pigs

Cite this

Peden, RSE ; Camerlink, I ; Boyle, Laura A ; Akaichi, F ; Turner, SP. / Farmer perceptions of pig aggression compared to animal-based measures of fight outcome. In: Animals. 2019 ; Vol. 9, No. 1. pp. 22 - 37.
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Farmer perceptions of pig aggression compared to animal-based measures of fight outcome. / Peden, RSE; Camerlink, I; Boyle, Laura A; Akaichi, F; Turner, SP.

In: Animals, Vol. 9, No. 1, 22, 10.01.2019, p. 22 - 37.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Farmer perceptions of pig aggression compared to animal-based measures of fight outcome

AU - Peden, RSE

AU - Camerlink, I

AU - Boyle, Laura A

AU - Akaichi, F

AU - Turner, SP

PY - 2019/1/10

Y1 - 2019/1/10

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AB - Several animal welfare issues persist in practice despite extensive research which has been linked to the unwillingness of stakeholders to make changes. For example, most farmers do not perceive pig aggression to be a problem that requires action despite the fact that stress and injuries are common, and that several solutions exist. Frequent exposure to animal suffering could affect farmer responses to distressed animals. This study investigated for the first time whether this occurs, using pig aggression as a focus. Using video clips, 90 pig farmers judged the severity of aggression, level of pig exhaustion and the strength of their own emotional response. Their judgments were compared to objective measures of severity (pigs’ skin lesions and blood lactate), and against control groups with similar pig experience (10 pig veterinarians) and without experience (26 agricultural students; 24 animal science students). Famers did not show desensitization to aggression. However, all groups underestimated the outcome of aggression when they did not see the fight occurring as compared to witnessing a fight in progress. We suggest that farmers be provided with evidence of the economic and welfare impact of aggression as indicated by lesions and that they be advised to score lesions on affected animals.

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