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Processing method of coated extruded feed

A technology of extruded feed and processing method, which is applied in the forming or processing of animal feed, animal feed, climate change adaptation, etc., and can solve the problems of being easily affected by light and oxidation, the degree of active material damage, and the loss of feed active material. , to achieve the effect of maintaining stable product quality, reducing feed powder content, and extending shelf life

Active Publication Date: 2017-05-03
JIANGSU TIANFULAI GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The puffing process greatly damages the active substances in the raw materials. The current puffing process only relies on adding some fat-soluble vitamins when spraying oil, which only solves the post-addition of fat-soluble substances. The disadvantage is that long-term consumption of aquatic animals will cause nutritional imbalance. , causing diseases; and causing severe oil pollution of aquaculture water, causing diseases or death of aquatic animals
The various active substances added after spraying only adhere to the surface of the feed particles, and are easy to dissolve into the water body during the feeding process, resulting in the loss of feed active substances; the active substances adhered to the surface are more susceptible to light and oxidation. impact, resulting in greater losses during storage
Most of the currently published patents on extruded feeds are aimed at the anti-stress properties of certain fish, polyculture, fatty liver, abnormal body color and other extruded feeds and their preparation methods. Research on key technologies and processes

Method used

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  • Processing method of coated extruded feed
  • Processing method of coated extruded feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1, a processing method of coated extruded feed, the steps are as follows: (1) Feed pretreatment: dissolving water-soluble vitamins in water to prepare an aqueous solution, and then spraying the aqueous solution on the surface of the extruded feed, wrapping to form the first Coating layer; then dissolve fat-soluble vitamins in fish oil, then spray the solution onto the surface of the extruded feed, and wrap it to form a second coating layer to obtain pretreated feed;

[0032] (2) Spray coating liquid: when using coating agent as the coating material and spraying method to coat the extruded feed, the coating agent is pumped into the liquid storage tank of the differential weight continuous liquid spraying machine, and the pretreated feed and The mass ratio of the sprayed film coating agent is 100:0.5. After being atomized by the nozzle, it is evenly sprayed on the surface of the pretreated feed to obtain the product.

Embodiment 2

[0033] Example 2, a processing method of coated extruded feed, the steps are as follows: (1) Feed pretreatment: dissolving the enzyme preparation in water to prepare an aqueous solution, then spraying the aqueous solution on the surface of the extruded feed, and wrapping it to form the first package Coating; then dissolve fat-soluble vitamins in soybean oil, then spray the solution onto the surface of the extruded feed, and wrap it to form a second coating layer to obtain pretreated feed;

[0034] (2) Spray coating liquid: when using coating agent as the coating material and spraying method to coat the extruded feed, the coating agent is pumped into the liquid storage tank of the differential weight continuous liquid spraying machine, and the pretreated feed and The mass ratio of the sprayed film coating agent is 100:1.5. After being atomized by the nozzle, it is evenly sprayed on the surface of the pretreated feed to obtain the product.

Embodiment 3

[0035] Example 3, a processing method of coated extruded feed, the steps are as follows: (1) Feed pretreatment: dissolving the probiotics in water to prepare an aqueous solution, and then spraying the aqueous solution on the surface of the extruded feed, wrapping it to form the first Coating layer; then dissolve fat-soluble vitamins in soybean oil, then spray the solution onto the surface of the extruded feed, and wrap it to form a second coating layer to obtain pretreated feed;

[0036](2) Spray coating liquid: when using coating agent as coating material and adopting mixed method to coat extruded feed, put the pretreated feed and coating agent into the coating pot together, and the pretreated feed and sprayed coating The mass ratio of the coating agent is 100:3, and the coating pan is rotated at a speed of 60r / min until the surface of the pretreated feed is evenly covered with a bright protective layer, and then the feed is taken out and placed in the aging room for 12 hours ...

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Abstract

The invention provides a method for processing coated puffing fodder. The method includes the steps that firstly, a water-soluble active substance is dissolved in water to form an aqueous solution, the aqueous solution is then sprayed to the surface of puffing fodder, and therefore a first coating is formed for coating operation; fat-soluble vitamin is dissolved in grease, the solution is then sprayed to the surface of the puffing fodder, a second coating is formed for coating operation, and preprocessed fodder is acquired, wherein the water-soluble active substance is selected from water-soluble vitamin, an enzymic preparation and a microbial ecological agent; a coating agent is used as a coating material and the puffing fodder is coated according to a spraying method or a mixing method. The method is simple, a perfect smooth glue film is formed on the surface of the puffing fodder, the appearance is attractive, the water stability is good, loss of nutrient substances can be effectively reduced, the active substance added in the later period is well protected, stability of product quality is maintained, the fodder powder content is reduced, and a storage period is prolonged.

Description

technical field [0001] The invention relates to the technical field of feed processing, in particular to a processing method of coated puffed feed. Background technique [0002] The traditional powdery compound feed and granular compound feed have disadvantages such as poor stability in water, fast sedimentation speed, easy to cause feed loss and waste, and water pollution. They are facing severe challenges, and extruded feed can better overcome powdery and hard Disadvantages of pellet feed. Studies have shown that the inherent characteristics of aquatic extruded feed are very suitable for modern and large-scale aquaculture, so it will have a large application range and application space. Although the processing cost is higher than that of general hard pellet feed, it can use more cheap raw materials. , reduce the amount of adhesives and antifungal agents, and the feed utilization rate is high, but at the same time, it has the disadvantages of high temperature and high pres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K40/30A23K50/80
CPCY02A40/818
Inventor 陈忆凤朱勤毕银
Owner JIANGSU TIANFULAI GROUP