Removal of a trauma-inflicting alpha matriline from a group of rhesus macaques to control severe wounding
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View abstract on PubMed
Summary
This summary is machine-generated.Excessive wounding in a rhesus macaque group was linked to specific individuals. Removing the alpha matriline significantly reduced injuries, demonstrating the effectiveness of targeted intervention for controlling aggression-related wounds.
Area Of Science
- Primate behavior
- Animal welfare science
- Veterinary medicine
Background
- A group of 83 rhesus macaques (Macaca mulatta) exhibited excessive wounding.
- Observations identified an alpha matriline (N=7) as the primary source of injuries.
Purpose Of The Study
- To document an atypical pattern of wounding in a rhesus macaque group.
- To evaluate the effectiveness of removing the offending matriline for controlling injuries.
Main Methods
- Recorded aggression rates of 21 adult subjects and wounds of all group members before and after matriline removal.
- Compared data with a similar-sized control group.
Main Results
- Removing the alpha matriline significantly decreased wounding frequency to levels comparable to the control group.
- Aggression rates and matriline rank order remained unchanged after removal.
- Wounding levels were significantly higher with the alpha matriline present compared to the control group.
Conclusions
- The alpha matriline's removal was effective in controlling excessive wounding.
- The pattern of wounding was idiosyncratic, involving skin removal from hindquarters and digits/tails.
- Targeted intervention can successfully manage aggression-related injuries in social primate groups.
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