Tigbauan, Iloilo, Philippines: Author.ĪEM 32 The farming of the seaweed Kappaphycus (2000) 26 ppĪ 24-page manual that introduces the carrageenan-producing seaweed Kappaphycus whose culture has spread from Jolo in Mindanao to at least 14 sites in the Visayas and Luzon. Initial weight of seedlings for four croppings (kg)Ĭost and returns analysis (PhP per year) (as of 2017) Investment cost Technical Assumptions for Multiple longline method Project duration (years)Įxpected weight of harvest (kg fresh weight/crop)Įxpected weight of harvest (kg fresh weight/year)įarmgate price of dried seaweeds (PhP/kg) For bigger volume and export purposes, store seaweeds by baling (stocking of seaweeds in sacks). Store dried seaweeds in a clean, cool, dry and well-ventilated place.Dry remaining seaweeds in hanging line or spreading out on the ground with drying mats or platforms.Set aside planting materials for next cropping (e.g.Clean the harvested seaweeds and remove: (a) non- Kappaphycus seaweeds, (b) silt and sand, and (c) other foreign particles.Bring bamboo raft to the shoreline and untie seaweeds.Untie the seaweeds from the cultivation rope. Seaweeds are harvested for drying after 50 days of culture. Tie to PER (#8) and anchor to the bottom with a concrete block.Arrange both ends of several cultivation lines in parallel rows.Follow the same procedure in the preparation of seedlings for single hanging long line.Multiple hanging long line (1/2 ha = 4,500 m) Anchor one cultivation line on both ends with bamboo stake.ī.Tie seedlings (50 g/point) to 100 m-long PER (#8).However, this method needs a good support system by installing concrete anchors. Hanging long line – used in exposed deep-water areas (5-10 m deep) with moderate to strong water movement. Tie seedlings (50 g/point) to polyethylene rope (PER) #8 using strawlace while at the shore.Install 10 m x 10 m bamboo raft at the farming site.Raft method (single) ‒ one unit is composed of four bamboos arranged in a square shape. There are two methods for deep-sea culture of Kappaphycus:Ī. Kappaphycus may be eaten but it is predominantly used as source of carrageenan which has a wide range of uses as an emulsifier, binder, gelling and thickening agent in food and non-food products. Likewise, it can provide alternative livelihood for coastal farmers. As an aquaculture enterprise, seaweed farming has been proven to be a top foreign exchange earner. It is also one of the top three marine-based export of the country. Kappaphycus, a red seaweed locally known as ‘guso’ or ‘tambalang,’ constitutes eighty percent of the Philippines’ seaweed export (BAS 2015). Let us continue to protect our seas from pollution and illegal fishing so that we can enjoy these food sources from nature.Green Kappaphycus ( Kappaphycus striatus) Brown Kappaphycus ( Kappaphycus alvarezii) This food is rich in iodine, calcium, vitamins, and minerals. Guso, as salad, can be eaten raw or slightly boiled and mixed in vinegar or the native suka-tuba plus other spices. Guso is exported to other countries as a source of Carrageenan, a gelatin-like extract used as a thickener, emulsifier, and stabilizer in food, beverages, cosmetics, and pharmaceuticals. Its culture period usually takes 30-45 days. From small-scale farming, the industry has had enormous growth through the years and has expanded to neighboring coastal towns like Getafe with much success as this added to the income of fishermen.ĭepending on the location, the season for planting and harvesting seaweed varies, with some areas operating year-round, while others consider weather disturbances, diseases, water temperature, and salinity. In Bohol, guso are farmed for commercial purposes and food consumption particularly in Hingotanan, Bien Unido, Bohol since 1973. They have complex body structures that are anchored to rocks and corals with their rootlike “holdfasts” and their branched filaments. Seaweeds are an important food source for jellyfishes, crustaceans, sea turtles, and more, including humans. The Eucheuma cottonii belongs to the red algae (Rhodophyta) and grows in shallow reefs along rocky shorelines in tropical waters. Seaweeds are members of the marine algae family Protista. Today’s Marine Monday, your National Museum Bohol presents this nutritious food source from our marine ecosystem, the Seaweed (Eucheuma cottonii) locally called Guso.
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