Water quality management in pangasius farms directly determines the welfare of the fish, and advanced monitoring systems are enabling more consistent maintenance of welfare-positive conditions.
Water quality welfare management in pangasius pond systems requires balancing the natural dynamics of tropical pond ecosystems with the welfare needs of the fish stocked at high density. The diurnal oxygen fluctuations that characterize tropical ponds create regular periods of welfare compromise that aeration management can significantly reduce but not eliminate. Advanced monitoring systems that provide real-time water quality data and automated alerts enable faster response to welfare-threatening conditions. The adoption of these monitoring technologies by smallholder pangasius farmers, who produce a significant proportion of Vietnamese pangasius, requires accessible technology design and training support that addresses the practical constraints of small-scale pond operations.