Aggression in stable (not recently mixed) groups of pigs

There has been an increase in reports about aggression in stable groups of pigs, whereby the group can turn towards one individual. The Animal Behaviour & Welfare team at SRUC (a UK based research institute) is looking at the possible causes of this type of aggression. We would be very grateful if you could help us with the following information. Your answers will be anonymous and used for research purposes only. Many thanks for your input.

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* 1. Please describe the situation at your farm regarding aggression between pigs in stable groups

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* 2. How often does severe aggression in stable groups (not recently mixed) occur?

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* 3. What is the average age of the pigs at which this type of aggression occurs?

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* 4. What are the results to the victim? (multiple answers possible)

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* 5. What type of breed / genetic line was used at the time when this aggression occurred? (optional to specify genetics company)

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* 6. What is the average group size in which the aggression occurs?

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* 7. What is the housing type for the affected pigs?

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* 8. What is the group composition?

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* 9. Please describe the feeding strategy (feeder type; solid/liquid feed; feed company; mineral supplementation etc.)

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* 10. Please provide any additional information that you deem relevant. If you would like to be contacted about the outcomes of the study then please provide your email address here. Thank you.

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