Grass carp feed added with algal residues and preparation method thereof

A grass carp feed and algae residue technology, which is applied in animal feed, animal feed, food processing, etc., can solve the problems of not being able to replace fish meal in large quantities, lack of growth-promoting ingredients, and reduction of fish meal resources, so as to be beneficial to blood lipid health and reduce low density Lipoprotein content, effect of increasing high-density lipoprotein content

Inactive Publication Date: 2018-11-23
TIANJIN CHENHUI FEED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fishmeal is the main source of protein in aquafeed, but in recent years, due to overfishing, environmental pollution and El Nino phenomenon and other bad weather, fishmeal resources are decreasing, resulting in rising prices
In the prior art, terrestrial plant proteins such as...

Method used

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  • Grass carp feed added with algal residues and preparation method thereof
  • Grass carp feed added with algal residues and preparation method thereof
  • Grass carp feed added with algal residues and preparation method thereof

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preparation example Construction

[0024] The present invention also provides a method for preparing the above-mentioned golden grass carp feed added with algae residue, comprising the following steps:

[0025] (1) take each raw material by weight part;

[0026] (2) After all solid raw materials are pulverized by a pulverizer, pass through a 80-100 mesh screen for subsequent use;

[0027] (3) Mix well step by step, then add fish oil and mix well, then add 30-40 parts of pure water and stir well;

[0028] (4) make the pellet feed that diameter is 2-3mm with granulator;

[0029] (5) After air-drying at 55°C-60°C for 10-12 hours, leave it at room temperature to obtain the finished feed.

Embodiment 1

[0030] Embodiment 1 A kind of golden grass carp feed that adds algal slag is characterized in that, is made up of following components by weight:

[0031]

[0032]

[0033] The main components of vitamin premixes are VA, VD3, VE, VK3, VB1, VB2, VB6, VB12, niacin / nicotinamide, pantothenic acid, folic acid, biotin and choline.

[0034] The main components of the mineral premix are NaCl and shell powder.

[0035] Algae residue is the waste residue after extracting alginate from kelp.

[0036] The present invention also provides a method for preparing the above-mentioned golden grass carp feed added with algae residue, comprising the following steps:

[0037] (1) First weigh 20kg fish meal, 20kg algae residue, 23kg gluten powder, 12kg corn gluten powder, 8kg soybean meal, 10kg wheat flour, 1.5kg phospholipid, 1kg choline, 6kg fish oil, 1kg calcium dihydrogen phosphate, 1.5kg vitamin premix, 1.2kg mineral premix;

[0038] (2) After all solid raw materials are pulverized by...

Embodiment 2

[0042] Embodiment 2 A kind of golden grass carp feed that adds algal slag is characterized in that, is made up of following components by weight:

[0043]

[0044] The main components of vitamin premixes are VA, VD3, VE, VK3, VB1, VB2, VB6, VB12, niacin / nicotinamide, pantothenic acid, folic acid, biotin and choline.

[0045] The main components of the mineral premix are NaCl and shell powder.

[0046] Algae residue is the waste residue after extracting alginate from kelp.

[0047] The present invention also provides a method for preparing the above-mentioned golden grass carp feed added with algae residue, comprising the following steps:

[0048] (1) First weigh 25kg fish meal, 15kg algae residue, 25kg gluten powder, 10kg corn gluten powder, 12kg soybean meal, 11kg wheat flour, 1.8kg phospholipid, 1.2kg choline, 8kg fish oil, 1.5kg dihydrogen phosphate according to the above formula Calcium, 1kg vitamin premix, 1kg mineral premix;

[0049] (2) After all solid raw materia...

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Abstract

The invention provides Grass carp feed added with algal residues and a preparation method thereof. The algal residues in the feed provided by the invention contain polysaccharides including oligo-fucoidan, fucoidan, laminaran, algin and the like and the polysaccharides can be used for promoting the growth of Grass carp and reducing the feed coefficient. The algal residues contain certain substances with food attraction effect, and dimethyl-beta-propiothetin (DMPT) can be used for increasing the feeding rate of the Grass carp. Furthermore, the algal residues play a role of increasing the content of high-density lipoprotein in blood serum and reducing the content of low-density lipoprotein in the blood serum, and blood lipid health of the cultured Grass carp is facilitated.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a golden grass carp feed added with algae dregs and a preparation method thereof. Background technique [0002] In recent years, global aquaculture production has grown rapidly, and the expansion of aquaculture scale has increased the demand for aquafeed. Fishmeal is the main source of protein in aquafeed, but in recent years due to overfishing, environmental pollution and the impact of adverse weather such as El Nino phenomenon, fishmeal resources are decreasing day by day, resulting in rising prices. In the prior art, terrestrial plant proteins such as soybean meal and peanut meal are often used to replace fish meal in golden grass carp feed, but because it contains anti-nutritional factors and lacks some essential amino acids and growth-promoting ingredients required by fish, it cannot be replaced in large quantities fish meal. Therefore, for the aquafeed industry, it is...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K10/30A23K10/37A23K10/22A23K20/147A23K20/158A23K20/10A23K20/26A23K20/174A23K10/26A23K20/22
CPCA23K10/22A23K10/26A23K10/30A23K10/37A23K20/10A23K20/147A23K20/158A23K20/174A23K20/22A23K20/26A23K50/80Y02A40/818Y02P60/87
Inventor 曲木暴丽梅赵子续段霁航张宝龙
Owner TIANJIN CHENHUI FEED
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