Animal feed is suitable for some carnivorous or omnivorous carnivorous fish. The protein content of this feed is relatively high, but the price is also relatively expensive. After feeding, the effect is very good. The fish like to eat and grow fast. Commonly used animal feeds include fish meal, blood meal, silkworm pupa meal, meat and bone meal, etc. Zooplankton can also be selected. In addition, maggots, earthworms and insects are also good choices.
Plant feed is a common feed for fish pond culture, which can be divided into three categories. The first kind is energy feed, common have corn, bran, barley to wait. The second category is protein feed, generally beans and some by-products, including soybean cake, peanut cake, sesame cake and so on. The third category is grass feed, usually for a variety of forage, suitable for some herbivorous fish, such as grass carp love to eat.
Mineral feed is different from the previous two. It mainly supplements some nutrients and is not the main choice for feeding. The common ones are calcium hydrogen phosphate, zeolite powder, medical stone, stone powder, and so on.
Additive feed is similar to mineral feed, and can also be used to supplement nutrition. Some are trace element additives, some are vitamin additives, and some are phagostimulants or colorants.