By Eamonn Ryan
The South African Department of Agriculture, Land Reform and Rural Development (DALRRD) has released draft regulations under the Animals Protection Act of 1962, proposing stricter standards for the live export of animals by sea — with specific implications for ventilation and environmental control systems aboard livestock carriers.
While the regulations have sparked renewed criticism of the trade from animal welfare groups, they also underscore a pressing need for reliable HVAC solutions tailored to maritime transport – particularly around workable ventilation, waste removal and backup power systems.
Key HVAC-related requirements in the draft regulations
- Functional ventilation systems: All vessels must have working mechanical ventilation systems capable of maintaining acceptable air quality throughout livestock areas. The systems must be able to prevent the buildup of heat and ammonia, a common byproduct of animal waste, with specified thresholds: ammonia levels must not exceed 25 parts per million (ppm). Ventilation must ensure continuous airflow to remove airborne contaminants, manage heat stress, and prevent the formation of hazardous microenvironments onboard.
- Backup power systems: Livestock vessels must be equipped with redundant or backup power supplies to maintain ventilation and drainage systems during power failures — a critical safety measure for live cargo over long voyages.
- Drainage and waste removal: The ventilation systems must operate in conjunction with effective drainage and sanitation systems that remove faeces and urine and prevent cross-contamination of feed and water. Regular cleaning schedules are required to support air quality and mitigate risks from rising ammonia levels.
- Thermal comfort and space allocation: Ventilation and climate control systems must be calibrated to support ambient temperatures suitable for animal welfare, factoring in species-specific heat tolerances. System design should also account for adequate airflow even in high-density loading configurations, ensuring animals can stand, lie, and access food/water without obstruction.
Implications for the HVAC&R industry
These draft regulations are a wake-up call for the maritime HVAC&R sector to assess and develop specialised ventilation systems for live animal transport – a historically underserved niche with growing scrutiny and regulatory oversight.
- System engineering and retrofitting: Existing vessels will require ventilation upgrades or retrofits to meet compliance. Opportunities exist for engineering firms to design robust ventilation and climate control solutions for maritime conditions.
- Monitoring and automation: The need for real-time air quality monitoring and automated ventilation responses opens up the market for smart HVAC sensors and control systems.
- Compliance consulting: HVAC professionals with experience in environmental control standards (especially in agriculture or food logistics) may find new consulting roles in helping shipowners meet regulatory expectations.
- Product innovation: Manufacturers have an opportunity to develop compact, salt-air-resistant HVAC systems that are optimised for livestock welfare, energy efficiency, and resilience at sea.
Industry engagement urged
The draft regulations are currently open for public comment until 25 August 2025. Industry players, especially those in maritime HVAC&R, are encouraged to review the draft and provide technical feedback to help shape feasible and effective implementation frameworks.
This moment represents more than regulatory compliance – it is a strategic opportunity for HVAC stakeholders to lead innovation in ethical, sustainable live transport systems.
References:
- https://cer.org.za/virtual-library/whats-new/regulations-for-the-exportation-of-live-animals-by-sea-published-for-public-comment-before-25-august-2025?
- https://www.humaneworld.org/en/news/south-africa-releases-draft-regulations-live-animal-export-sea?
- https://legalacademy.co.za/news/read/live-animal-export-by-sea-input-sought-on-draft-regulations?