Jan 01, 2021 · Feed types consist of commercial brand 1 floating and sinking feed, local brand 2 sinking feed, and farm-made 3 sinking feed. Pangasius farmers used local brand or farm-made sinking feed due to their lower cost and the long culture cycle of pangasius (∼12 months), compared to tilapia (∼4 months), requiring a significant investment in feed.