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Locally known as lapu-lapu, grouper has been cultured in ponds and cages in Southeast Asia for more than a decade. It is one of them most expensive fish in the market and is valued because of its texture and taste as well as its great potential in the aquaculture market. The demand of the grouper in the international market is fast growing particularly in Hong Kong, Japan, and Singapore.

In the country, grouper culture in cages have been successful in Pres. Carlos Garcia, Bohol. The Sto. Rosario Fishermen’s Association of this municipality has established market links with buyers based near Cebu City. The Cagay Multi-Purpose Cooperative in Roxas City has also been successful in culturing grouper. Raising grouper is therefore another significant earner for the country. Read the rest of this entry »

Oysters have been gathered from the wild for food long before scientific farming of the organism began. This bivalve is considered as one of man’s most nearly balanced natural food. It is a cheap source of protein and contains substantial quantities of all minerals and vitamins essential to the human diet. About 18% of the protein requirement, more than 50% of calcium and phosphorus, and all iodine and iron needed by an adult Filipino can be supplied by 200g of oyster meat.

Aside from its edible portion, the shells of oysters are also used as raw materials for poultry and cattle feeds, fertilizers, pharmaceuticals and concrete products. Moreover, these can be recycled as cultches for collecting seeds. Other minor by-products include novelty items and ornaments Read the rest of this entry »

Aquaponics is an integrated aquaculture (growing fish) and hydroponic (growing soilless plants) system that mutually benefits both environments. Aquaponics uses no chemicals, requires one tenth or 10% of the water needed for field plant production and only a fraction of the water that is used for fish culture (Aquaculture).

The waste from fish tanks is treated with natural bacteria that converts the waste, largely ammonia, first to nitrite and then to nitrate. The fish waste absorbed by plants is pumped to a bio-filter system as a nutrient solution for the growing plants (Grow Bed). The only external input to the system is food for the fish. Both systems complement each other as a single unit, not as separate units. Read the rest of this entry »

Declining wild fisheries and more demand for animal protein have opportunities for aquaculture. Tilapia is a suitable fish for culture. Its short culture period is ideal. In tilapia farming for tilanggit production, fingerlings are cultured at a high stocking density in a shorter period to body weights of 20-30 grams of the fish then processed to produce boneless dried tilapia called tilanggit.

Concrete tanks measuring 10-500 square meters with a depth of 1-1.5 m and provided with efficient life support systems, are stocked with 1 to 2 g fingerlings at a stocking rate of 100-150 fingerlings per cubic meter. Read the rest of this entry »

Seed Production

Giant freshwater prawns live in freshwater environments but their larvae require brackishwater to survive. These  crustaceans are common in the tropical and sub-tropical waters of the Indo-Pacific region and are reported to grow to a length of 255 mm. Based on breeding trials, they take more than a year and a half to mature.

Why culture freshwater prawn?

• Can be a good alternative to tilapia and tiger shrimp
• Can be polycultured with carp, tilapia, catfish, etc.
• Established market niche and high export potential
• Native to the Philippines and other Asian countries

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