(A) Grass carp feed formula
1. 40% rice bran, 38% bran, 10% soybean cake, 10% fishmeal, 2% yeast, the bait coefficient of this formula is 1.9; if you add green fodder, the bait coefficient will be 2.2, and this formula is provided by the Pearl River Institute of Fisheries.
2. 80% rice straw powder, 10% soybean cake, 10% rice bran, the formula provided by the Yangtze River Fisheries Research Institute, the bait coefficient is 4.9.
3. 70% corn meal, 10% fish meal, 15% soybean cake powder, 5% bran, its additives and binders are: sweet potato 12%, salt 0.5%, 2% compound vitamins, 2% calcium phosphate, bait coefficient is 4.8. The formula is the 78-5 pellet feed formula developed by Shandong Aquatic School.
4. 80% of sweet potato vine powder, 15% of soybean cake powder, 5% of bran, additives and binders are: 12% of sweet potato flour, salt 0.5%, 2% of vitamin complex, 2% of calcium phosphate, bait coefficient of 4.5, the formula for the development of Shandong Aquatic School of the 73-1 pellet feed formula.
(B) Grass carp
Grass carp belongs to the genus Grass carp of the subfamily Yarrowiaceae of the order Cypriniformes. Common names of grass carp are: grass carp, grass carp, oil grass carp, grass carp, white grass carp, grass carp, grass root (Northeast), thicker fish (Lunan), sea grass carp (South), mixer, black mackerel, and so on. English name: Grass carp . It inhabits rivers and lakes in the plains, and generally prefers to live in the middle and lower layers of water and near-shore areas with lots of water plants.
The fish is active, swims quickly, and often forages in groups. It is a typical herbivorous fish. Grass carp larvae eat larvae, algae, etc. Grass carp also eat some meat, such as earthworms, dragonflies and so on.
Overwintering in deep water in dry streams or lakes. Parent fish have anadromous habits during the reproductive season. Has been transplanted to many countries in Asia, Europe, the United States and Africa continents. Because of its rapid growth and wide source of feed, it is one of the four major fish in freshwater aquaculture in China.