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Showing posts from March 29, 2015

Management of fish feed

Management of fish feed. In aquaculture, feed is an important component that requires a lot of costs for procurement. Feed directly influence the growth rate of farmed fish 1. Fish Food Nutrition. Quality feed nutritionally complete and balanced. Fish feed must contain protein, fat, carbohydrates, vitamins, and minerals in sufficient quantities and qualify the needs of fish. a. Protein. Proteins are complex organic compounds are composed of many amino acid protein can be derived from plants and animals. Proteins of vegetable plants are usually more difficult to digest fish because wrapped cellulose. The content of amino acids in vegetable protein is less complete so need to be supplemented with animal protein. Protein is the most important element in the feed. The main function of protein for fish metabolism is acting as a network builder body, replacing damaged tissue, plays a role in reproduction, the main constituent component of enzymes and hormones, and plays a role in metabolic p

Fish pond embankment

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fish pond embankment. Calm water fish pond has many important components, such as a fish pond dike. Fish pond dike made with a trapezoidal shape is wider bottom. This meant that not prone to landslides. The slope of the embankment should be no more than 45, to make the pond needs to be done hoeing the middle, move the soil to the edge, forming dikes. To prevent landslides embankment cliff, cliffs can be planted with grass (Cynodon dactilon). rearing pond depth is 100-150 cm. The water level of the bottom of the pool can be set from a height of 50-120 cm, depending on seed size and stocking density. When the fish have started great with a dense population, the water level can be expanded up to 120 cm.