Farm Animals

Pig Vocalisation as Welfare Indicator

Pig vocalisations provide real-time welfare data, with different call types indicating fear, pain, isolation, and positive social states.

Key Facts

Pigs produce high-frequency calls during negative experiences including pain and fear
Short, low-frequency calls are associated with positive social contexts
Vocal frequency analysis can distinguish welfare states without touching animals
Automated vocalisation analysis systems can process thousands of pig calls per hour
Call-based welfare monitoring is validated against physiological stress markers

Welfare Considerations

Vocalisation analysis provides a window into pig emotional states that complements visual behavioural observation. Automated systems that process vocalisations provide continuous welfare monitoring without additional handling stress. The integration of acoustic welfare monitoring with other sensor data creates comprehensive welfare assessment.

What You Can Do

Support farms investing in automated acoustic welfare monitoring
Advocate for vocalisation analysis as a welfare assessment tool
Choose pork from farms demonstrating evidence-based welfare monitoring