Tags: Aquaculture
By Anna Valmero
ILAGAN, ISABELA— A university professor here is said to have produced the biggest ulang or fresh river prawn in the country.
Enrico Santos harvested 12 pieces of ulang (Macrobrachium rosenbergii) per kilo, breaking the existing record harvest of the Bicol region which registered 20 pieces per harvest, according Small Entrepreneur Technology Upgrading Program (SET UP) director Urduja Tejada..
SET UP is a nationwide strategy of the Department of Science and Technology (DOST) to encourage and assist small and medium entrepreneurs to adopt technological innovations to improve their operations and boost their productivity.
The project is in collaboration between with DOST and the World Fish Center, which provided technical assistance through the latter’s Aquaculture Scientist Hermogenes Tambalque.
“We assisted five other regions in the country including Cagayan Valley, Bicol Region, Western Visayas, Zamboanga Peninsula, and SOCCSARGEN and this is the first time we were able to harvest such sizes,” Tambalque said.
Santos already has a ready market for his prawn produce, which he intends to sell at P350 a kilo.
From his 600-square meter pond, Santos will be able to net an income of P40,000 or a return of investment of 75 percent. He said he will develop another pond for his ulang because of the farm’s profitability.
“Ulang production can be the best alternative source of income at the same time increase fisheries production at a time when the catch in municipal and marine waters is dwindling,” Tejada said.
During the first two months, Santos spent 40 bags of commercial feeds until DOST and World Fish introduced to him a method called “green feeding technology.”
Under this method, vegetable waste are chopped and blanched as an alternative feeds to the prawns. The technology produced significant cost savings and from buying 40 bags previously, Santos only used four bags during the last two months of the operation.
DOST provided Santos with 4,000 pieces of post larvae ulang which he seeded in June.
Tejada said that through the success of Santos, other fish farmers will likewise venture into ulang culture as alternative or complement to rice and corn production.
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