Feed suitable for grass carp culture and preparation method thereof

Abstract

The invention discloses a feed suitable for grass carp culture and a preparation method thereof, and belongs to the technical field of feed. The feed is prepared from the following raw materials by weight: 10-20 parts of pork powder, 10-20 parts of corn flour, 10-20 parts of bean curd residues, 10-20 parts of soybean powder, 10-20 parts of fish bone meal, 10-20 parts of broad bean powder, 5-10 parts of rapeseed meal, 0.1-0.3 part of Chinese herbal medicine powder, 3-5 parts of a microbial preparation and 2-5 parts of polylactic acid / glycolic acid nano microspheres. The added nano microspheresto make the Chinese herbal medicine powder have stable and durable effects, greatly reduce the use amount of the Chinese herbal medicines; and at the same time, the use of the microbial preparation can improve the immunity of the grass carp, and improve the meat quality of the grass carp while increasing the yield. The formula of the invention is reasonable, the dosage is accurate, and the damageto the nutrient environment of the water body is greatly reduced; and the preparation process is simple, convenient in operation, and remarkable in the effects.

Description

technical field [0001] The invention belongs to the technical field of feed, and in particular relates to a feed suitable for grass carp breeding and a preparation method thereof. Background technique [0002] Grass carp belongs to the genus Grass carp of Cyprinidae Cyprinidae. The common names of grass carp are: grass carp, grass carp, oil carp, grass carp, white carp, grass carp, grass root (Northeast), thick fish (Shandong), sea carp (South), mixed son, black herring, etc. Grass carp inhabits rivers and lakes in plain areas, and generally prefers to live in the middle and lower layers of water and areas with many aquatic plants near the shore. It is lively, swims quickly, and often looks for food in groups. A typical herbivorous fish. Grass carp larvae eat larvae, algae, etc., and grass carp also eat some meat, such as earthworms, dragonflies, etc. Overwinter in the deep waters of main streams or lakes. Broodstock have the habit of swimming in the breeding season. I...

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of the existing grass carp feed are: 1. The feed is mainly green grass, which makes the growth cycle of grass carp long and increases the cost of cultivation; and the nutritional value of grass carp meat

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