The production method and formula of fish feed, the top secret formula of fish feed

When producing self-formulated feed, you can choose to use vitamin and mineral premix produced by special manufacturers, and add it reasonably according to the variety and growth stage of farmed fish. The production of self-formulated feed can also be prepared according to their own needs of a small amount of special feed, such as according to the incidence of fish in their own ponds, the symptomatic drug can be added to the feed to make bait for easy use. When using pharmaceutical additives, we must comply with the relevant laws and regulations of the state, and it is absolutely not allowed to add drugs prohibited by the state.

Some farmers add aquatic-prohibited wah ethanol to their feed to speed up the growth of fish. Although Wow ethanol can be antibacterial and promote growth, long-term use will reduce the transport resistance of fish, increase the mortality rate during transportation, and also reduce the quality of fish products, endangering human health.

Adding new additives such as prebiotics, enzymes, and Chinese herbal medicines to the feed can significantly improve fish nutrition, promote fish growth, and reduce morbidity. Prebiotics are a concept opposite to antibiotics, which refers to live microorganisms or their cultures that can be fed directly to animals and can prevent diseases, promote animal growth and improve feed utilization by regulating the microecological balance of the animal's gastrointestinal tract. Enzymes are biologically active proteins, as feed additives are mainly digestive hydrolase enzymes, including proteases, amylases, phytase, cellulases, etc., as well as complex enzyme preparations containing a variety of enzymes.

In terms of production, the combination of prebiotics and enzyme preparations had a better effect, and the most suitable combination of prebiotics and enzyme preparations in grass carp feed was added. The most suitable combination of prebiotics and enzymes in carp feed was added. China is rich in Chinese herbal medicine resources, and for a long time, the Chinese people have accumulated rich experience in using Chinese herbal medicine to prevent and treat diseases. Chinese herbal medicine is added to the feed to make bait, which is easy to use, and non-toxic and non-residue.

For example, adding "three yellow powder" (the main ingredients are skullcap, coptis, and cork) to the feed can effectively prevent and control the three diseases of grass carp, and Chinese herbal medicines such as pine needles, mugwort leaves, and poria cocos can improve the survival rate and promote growth when added to fish feed.

1. What are the ways to fish feed?

1) Plant green fodder. At present, the more common green fodder planted are ryegrass, Sudan grass, alfalfa, clover, etc., and the yield of grass per mu can reach 5 tons and 10 tons. There is great potential for growing green fodder fish farming.

2) Make the most of various by-products. Including agricultural and sideline products are adapted to areas with large water surface and abundant by-product resources. This kind of feed includes bran, rattan, seedlings, etc., which are crushed or processed into pellet feed; Industrial by-products such as brewer's grains, soy sauce residues, powder residues and non-staple food scraps such as vermicelli factories and starch factories are precipitated and dried after slurry protein powder.

3) Supporting the establishment of small feed mills. It is suitable for intensive aquaculture in fishing grounds with large water surface and high level of intensive culture. By planting green fodder and using by-product fish farming, we can make full use of the resource advantages to reduce the cost of farming.

2. What are the commonly used energy feeds for fish farming?

Energy feed accounts for 40%-50% of fish feed. Energy feed is mainly cereals such as corn, barley, wheat, rice, etc., and their processing by-products such as rice bran, bran, secondary flour, etc.

Energy feed generally has a high digestibility and can reach more than 50%. Lower than protein feed**. However, its nutrient content is single, mainly soluble sugars and starches, so it cannot be used as fish feed alone.

It is more suitable to use this type of feed to process fish feed. On the one hand, it provides energy, on the other hand, it can also be used as a binder for processing pellet feed, especially for the production of extruded pellet feed, which can increase the flavor and improve palatability.

3. What are the commonly used mineral feeds?

The main function of mineral feed is to provide fish with macromineral elements. Mainly calcium, phosphorus, sodium, chlorine, etc. The main types of mineral feeds used are as follows:

1) Bone meal: Bone meal provides phosphorus and calcium. Due to its different processing methods, it can be divided into three types: steamed bone meal, raw bone meal, and bone char powder. Steamed bone meal is commonly used as feed. Due to processing problems, organic matter is attached to the surface of bone meal, which causes pollution and affects its quality.

2) Dicalcium phosphate. Dicalcium phosphate mainly provides phosphorus, with a phosphorus content of 14%-16% and its utilization rate is high, and dicalcium phosphate is mostly used as a phosphorus source in fish feed. It is worth noting that the fluoride content of calcium diphosphate is too high due to lax beneficiation and defluoride measures, which will adversely affect the growth of fish.

The state stipulates that the fluoride content of calcium diphosphate does not exceed 0 18%.

3) Stone powder and shell powder. Both stone powder and shell powder provide calcium, of which the calcium content can reach more than 35%.

4) Table salt. Table salt is rich in sodium and chloride, which are generally lacking in plant-based feeds. Therefore, it should be supplemented in the feed. In addition, the addition of table salt can promote appetite and aid digestion.

Summary. Fish feed formula (for reference only) (1) Feed formula suitable for grass carp and silver carp Straw biological feed - 80% corn flour - salt - bone meal - 1% soybean cake - 5% (2) Feed formula suitable for cage fish farming: straw biological feed - 65% corn flour - 15% fish meal - salt - bone meal - 1% soybean cake - 5% (3) Feed formula for lake fish farming:

Straw bio-feed - 50% corn flour - 25% fishmeal - salt - bran - 12% bone meal - 1% soybean cake - 8% (4) Feed formula for pond-raised crucian carp: straw bio-feed - 45% corn meal - 28% fishmeal - salt - bran - 13% bone meal - 1% soybean cake - 10% (5) Feed formula for tilapia in running water and cages: straw bio-feed - 40% corn meal - 25% fishmeal - 3% table salt - bran - 15% bone meal -

Make a top-secret formula for fish feed.

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Fish feed formula (for reference only) (1) Feed formula suitable for grass carp and silver carp Straw biological feed - 80% corn flour - Salt - Bone meal - 1% Soybean cake - 5% (2) Feed formula suitable for cage fish farming: Straw biological feed - 65% corn flour - 15% Fishmeal - Salt - Bone meal - 1% Soybean cake - 5% (3) Feed formula for lake fish farming: Straw biological feed - 50% corn meal - 25% Fish meal - Salt - Bran - 12% Bone meal - 1% soybean cake - 8% (iv) Feed formula for pond crucian carp:

Straw biological feed - 45% corn flour - 28% fishmeal - salt - bran - 13% bone meal - 1% soybean cake - 10% (5) Feed formula for tilapia raised in running water and cages: straw biological feed - 40% corn meal - 25% fishmeal - 3% salt - bran - 15% bone meal -

1% bean cake – 10% thanks.

1. Carp feed formula.

43% bran, 30% fishmeal, 15% soybean cake, 10% barley, 2% additives, and 2% feed coefficient.

50% soybean cake, 15% fish meal, 15% bran, 15% rice bran, 1% vitamins, 1% inorganic salt, 1% antibiotic scraps, 2% binder, feed coefficient.

2. Grass carp feed formula.

40% rice bran, 38% bran, 10% soybean cake, 10% fish meal, 2% yeast powder. Feed coefficient. If you are fed green fodder, the feed coefficient is.

80% of straw meal, 10% of soybean cake, feed coefficient, plus green fodder, coefficient of 13.

70% corn flour, 10% fish meal, 15% soybean cake powder, 5% bran, and the addition of Wu Heng is (in terms of the total amount of basic diet): 12% sweet potato flour, 2% salt auxin, 2% dicalcium phosphate, feed coefficient.

80% sweet potato vine powder, 15% soybean cake powder, 5% bran, according to the total amount of basic diet: sweet potato powder cavity 12%, salt auxin 2%, dicalcium phosphate 2%, feed coefficient of 15.

3. Tilapia feed formula.

45% rice bran, 35% soybean cake, 10% silkworm chrysalis powder, 8% secondary powder, bone meal salt, feed coefficient.

35% soybean cake, 30% bran, 15% fish meal, 5% barley flour cornmeal, 5% locust leaf meal, 1% bone meal, salt.

4. Herring feed formula.

40% straw flour, 30% silkworm chrysalis powder, 10% rapeseed cake flour, 20% barley flour, and the feed coefficient was 3.

40% green hay flour, 30% cottonseed cake flour, 10% soybean flour, 5% rapeseed cake flour, 5% silkworm chrysalis flour, 5% fish meal, 5% barley flour, and the feed coefficient was 8.