2020/09/21 · This study was carried out at Complejo Acuícola Tupez, a commercial tilapia farm operating in Alvarado, Veracruz, México. Ten commercial IPRS units (raceways) were built in a 3.39-hectare pond with an average depth of 2.95 meters, and a total volume of approximately 108,265 cubic meters of water. Each raceway has a volume of 275 cubic meters