Microparticle feed for sturgeon fry and processing method of same

A processing method and microparticle technology, applied in animal feed, animal feed, application, etc., can solve the problems of infection by germs, large randomness, and insufficient nutrition, etc., to improve digestion and absorption rate, reduce environmental pollution, and water stability high effect

Inactive Publication Date: 2012-07-18
AQUATIC PROD RES INST SHANDONG PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When people were cultivating sturgeon seedlings in the early days, the open bait they fed was mainly biological bait (such as nematodes) caught in rivers and lakes. Because these baits are not nutritious enough and easy to carry germs, sturgeon fry will appear during production. Insufficient nutrition and infection by germs greatly reduce the survival rate of seedlings
At the same time, if the sturgeon seedlings eat this kind of live bait for a long time, they will become dependent on biological bait, and it will be difficult to domesticate with artificial compound feed in the later stage. The value of artificial breeding is lost because it cannot be used for factory farming
In addition, the acquisition of live bait is greatly affected by the environment, there is a large randomness, and sufficient supply cannot be guaranteed, which makes the nursery work face potential risks. Therefore, it is more urgent to provide special compound feed for sturgeon fry

Method used

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  • Microparticle feed for sturgeon fry and processing method of same
  • Microparticle feed for sturgeon fry and processing method of same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 1. Feed formula

[0034] The microparticle feed for sturgeon fry of the present embodiment is composed of the following components, which are respectively by weight percentage of each component: 50% fish meal, 14% hydrolyzed fish protein, 14% yeast powder, 5% wheat flour, and 5% amylose , fish oil 6%, choline chloride 0.2%, lysine 0.7%, methionine 0.3%, betaine 1%, protease 0.2%, lipase 0.4%, aquatic special multivitamin 2%, aquatic special multi mineral 1.2% .

[0035] 2. Processing steps:

[0036] 1) Weigh various raw materials according to the weight percentage of each component;

[0037] 2) Mix the weighed raw materials for the first time, the mixing time is 80-100 seconds, and make coarse powder after mixing, and the fineness of the coarse powder is required to pass through a 2.5mm sieve;

[0038] 3) Superfine grinding

[0039] According to the characteristics of digestion and absorption of sturgeon seedlings, the functional components in the sturgeon micropart...

Embodiment 2

[0054] 1. Feed formula

[0055] The microparticle feed for sturgeon fry of the present embodiment is composed of the following components, which are respectively by weight percentage of each component: 55% fish meal, 12% hydrolyzed fish protein, 10% yeast powder, 8% wheat flour, and 4% amylose , fish oil 5%, choline chloride 0.1%, lysine 0.5%, methionine 0.5%, betaine 1%, protease 0.2%, lipase 0.3%, aquatic special multivitamin 1.8%, aquatic special multi mineral 1.6% .

[0056] 2. Production steps:

[0057] 1) Weigh various raw materials according to the weight percentage of each component;

[0058] 2) Mix the weighed raw materials for the first time. The mixing time is 80-100 seconds. After mixing, make coarse powder. The fineness of the coarse powder is required to pass through a 2.5mm sieve;

[0059]3) Superfine grinding of raw materials

[0060] According to the characteristics of digestion and absorption of sturgeon seedlings, the functional components in the sturgeo...

Embodiment 3

[0075] 1. Feed formula

[0076] The microparticle feed for sturgeon fry of the present embodiment is composed of the following components, which are respectively by weight percentage of each component: 58% fish meal, 10% hydrolyzed fish protein, 10% yeast powder, 10% wheat flour, and 3% amylose , fish oil 5%, choline chloride 0.1%, lysine 0.2%, methionine 0.2%, betaine 1.2%, protease 0.1%, lipase 0.2%, aquatic special multivitamin 1%, aquatic special multi mineral 1% .

[0077] 2. Production steps:

[0078] 1) Weigh various raw materials according to the weight percentage of each component;

[0079] 2) Mix the weighed raw materials for the first time, the mixing time is 80-100 seconds, and make coarse powder after mixing, and the fineness of the coarse powder is required to pass through a 2.5mm sieve;

[0080] 3) Superfine grinding of raw materials

[0081] According to the characteristics of digestion and absorption of sturgeon seedlings, the functional components in the...

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Abstract

The invention relates to a microparticle feed for sturgeon fry and a processing method of same. The microparticle feed for the sturgeon fry comprises the following components by weight percet: 50-60 percent of fish meal, 10-15 percent of hydrolyzed fish protein, 10-15 percent of yeast powder, 5-10 percent of wheat flour, 3-5 percent of amylose, 5-6 percent of fish oil, 0.1-0.2 percent of choline chloride, 0.1-0.7 percent of lysine, 0.1-0.6 percent of methionine, 1-2 percent of betaine, 0.1-0 .3 percent of protease, 0.2-0.4 percent of lipases and 1-3 percent of compound vitamin and 1-3 percentof compound mineral substance. The processing method of the microparticle feed comprises the following steps: 1), weighing the components; 2), mixing the weighed raw materials primarily; 3), performing ultrafine grinding; 4), mixing the weighed raw materials primarily secondarily and stirring; 5), heating and curing by using a processing device; 6), extruding and granulating; 7), drying; 8), cooling by using a cooler; 9), crushing by using a roller-type crusher; 10), spraying; 11), screening; and 12), packaging. The microparticle feed for the sturgeon fry has the advantages of comprehensive nutrition, good phagostimulant performance, low settling speed, stability of the microparticle feed for the sturgeon fry in water as long as 24 hours without collapsibility, and the like.

Description

technical field [0001] The invention relates to a feed for aquaculture, in particular to microparticle feed for sturgeon seedlings and a processing method thereof. Background technique [0002] In taxonomy, sturgeon fishes belong to Osteophytes, Actinopterygii, Sclerophyta, and Sturgeoniformes. They are a kind of ancient creatures with a history of 140 million years. It is a "living fossil" with high nutritional value. The medicinal value of sturgeon is also recorded in detail in "Compendium of Materia Medica": "(Sturgeon) liver is mainly used to treat malignant sores; Deficiency lowers the qi; the seed is like a small bean, eats it for bodybuilding, and kills abdominal worms." [0003] Sturgeon is favored by consumers because of its rich nutritional value. With the continuous extension of the deep processing industry chain of sturgeon, the market demand for sturgeon has increased significantly, especially the supply of large-scale commercial fish is far from meeting marke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18
Inventor 张利民王际英黄炳山王世信孙永智姜立生李宝山李培玉
Owner AQUATIC PROD RES INST SHANDONG PROV
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