Feed management strategies can be developed which can optimize the weight gain of catfish or minimize cost per unit of catfish weight. Each catfish producer can determine which goal is most important when offering feed to pond raised catfish. However, most producers chose the goal of minimizing cost per unit of catfish weight gain. Achieving this goal is more difficult than buying the least costly feed. Careful consideration of feed cost versus quality must be combined with good feeding practices in order to get the most from a dollar spent for feed.
Feeding times effect the weight gain of catfish but weight gain is usually not as important as labor and logistics on large catfish farms. For example, it has been reported that feed offered at two times each day will produce more weight gain than a single daily feeding. However, it has also been reported that offering feed when pond water dissolved oxygen concentrations are low is not advisable. So, feeding twice a day or morning and evening is difficult most of the year when dissolved oxygen levels are low in the morning. Aeration can be applied to boost the dissolved oxygen but at the added expense of the cost of electricity to run the aerator. For most producers, catfish in the fingerling stages are fed twice daily but catfish in food fish stages are only fed once daily.
Catfish Feeds : Good catfish feed contains 34 to 38 percent protein, 8 percent fat, 11 to 22 percent carbohydrates and 12 to 17 percent fiber. A minimum of 8 percent of the ration should be from fishmeal and all feeds should contain the recommended vitamins. Feeds are sold as floating or sinking pellets and as finely ground meal or crumbles. Floating pellets cost more but are more stable than sinking pellets. They also enable you to determine whether the fish are feeding. If they are not feeding, find the cause and correct.
Catfish feeds provide all the nutrients catfish need in a highly digestible form. Several feedmills manufacture catfish feeds. Commercial catfish feeds are similar in composition are of high quality and provide for rapid, efficient growth. Following are some examples.
Fry feed, Fingerling feed, Food fish feed.
Ingredient : Soyabean meal (50%), Cottonseed meal (45%), Menhaden meal (65%), corn grain, Wheat middlings, Dicalcium phosphate, Catfish Vitamin mix, Catfish mineral mix, Fat or Oil. Feeding Strategy for Catfish… Aquaculture Produce farm-raised Catfish
W A R N I N G S : Some communities require special permit to produce farm-raised catfish. Check with your local licensing board before beginning your project.
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