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Abalone bait and preparation method thereof

A technology of bait and abalone, which is applied in the field of abalone bait and its preparation, can solve the problems of easy loss of powdery bait, difficulty in absorbing water and swelling, and poor edibility of abalone, so as to shorten the breeding cycle, promote synthesis and growth, and have good palatability Effect

Active Publication Date: 2014-09-17
PINGTAN COMPREHENSIVE EXPERIMENTAL AREA TANNANWANAQUATIC PROD FOOD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These baits have the following problems in the feeding process: fresh algae mainly have the problem of low protein content, which leads to a long growth cycle; The mixture of several component powders has high particle hardness, is not easy to absorb water and swell, and has poor rehydration, resulting in poor edibility of abalone; at the same time, the binder has strong water dispersibility and poor water resistance, which leads to easy disintegration and loss, and eventually leads to The problem of low bait utilization

Method used

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Experimental program
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Effect test

Embodiment approach

[0044] The embodiment of the present invention is as follows: a preparation method of high-efficiency abalone bait is provided, and the process includes: treatment with gracilaria alkali, preparation of kelp liquid, preparation of mixture, strengthening of chitosan, coagulation molding, washing with water, and drying.

[0045] Described method specifically comprises the steps:

[0046] (1) Gracilaria alkali treatment and preparation of kelp liquid

[0047] a. Add Gracilaria into the alkali solution, and after standing at a constant temperature under heating, filter out the alkali solution, wash with water until neutral, and set aside. b. Add sea-tangle into the alkaline solution, and stir at a constant temperature under heating to obtain sea-tangle liquid, which is set aside.

[0048] (2) Mixture preparation

[0049] Mix the alkali-treated Gracilaria and kelp liquid prepared in step (1) under stirring, add fish meal, oil, minerals and vitamins one by one, stir at a constant ...

Embodiment 1

[0065] The preparation method of abalone bait is as follows:

[0066] 1. Add 60 kg of Gracilaria to 140 liters of 2mol / L sodium hydroxide solution, heat it at 20°C and let it stand at a constant temperature for 10 minutes, filter out the alkali solution, wash it with water until neutral, and set aside.

[0067] 2. Add 20 kg of kelp to 40 liters of 0.1mol / L sodium carbonate solution, pressurize and heat at 120°C, and stir at a constant temperature for 10 minutes to obtain the kelp liquid for later use.

[0068] 3. Mix the alkali-treated Gracilaria and kelp liquid prepared above under stirring, add 10 kilograms of fish meal, 10 kilograms of animal fat, 0.1 kilogram of mineral premix and 0.001 kilogram of vitamin premix successively, heat at 100 ° C and Stir at constant temperature for 10 minutes to make it evenly mixed, and extrude it into a flake mixture.

[0069] 4. The chitosan solution with a solute mass fraction of 5% is sprayed to treat the above-prepared flaky mixture, a...

Embodiment 2

[0073] The preparation method of abalone bait is as follows:

[0074] 1. Add 19 kg of Gracilaria to 40 liters of 0.1mol / L calcium hydroxide solution, pressurize and heat at 120°C and let it stand at a constant temperature for 180 minutes, filter out the alkali solution, wash with water until neutral, and set aside.

[0075] 2. Add 70 kg of kelp to 140 liters of 2mol / L sodium bicarbonate solution, pressurize and heat at 20°C, and stir at a constant temperature for 180 minutes to obtain the kelp liquid for future use.

[0076] 3. Mix the alkali-treated Gracilaria and kelp liquid prepared above under stirring, add 1 kilogram of fish meal, 10 kilograms of vegetable oil, 0.1 kilogram of mineral premix and 0.001 kilogram of vitamin premix successively, heat and Stir at a constant temperature for 180 minutes to make it evenly mixed, and then extrude it into a flake mixture.

[0077] 4. Spray the chitosan solution with a solute mass fraction of 1% to the flake mixture prepared above,...

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Abstract

The invention relates to the field of aquiculture, in particular to an abalone bait and a preparation method thereof. The preparation method of the abalone bait comprises the steps as follows: (1) soaking gracilaria in an alkaline solution, filtering the alkaline solution to obtain the gracilaria, and soaking laminaria japonica in an alkaline solution to obtain a laminaria japonica solution; (2) mixing the gracilaria with the laminaria japonica solution, adding fish meal, grease, minerals and vitamins into the mixture in sequence, stirring at a constant temperature, and pressing to obtain a sheet mixture; (3) treating the sheet mixture with a chitosan solution according to a spray method or an impregnation method; (4) placing the sheet mixture in a concentrate, removing the superfluous concentrate, and washing the sheet mixture to be neutral; (5) drying the sheet mixture to obtain the abalone bait. The abalone bait prepared according to the preparation method is efficient, tawny, rich in nutrition, rich in biological active substances such as various essential amino acids, algin, galactose and chitosan, as well as inorganic substances such as calcium, iron and zinc, good in palatability, convenient for feeding and excellent in quality.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to an abalone bait and a preparation method thereof. Background technique [0002] Abalone is a single-shell mollusc in the ocean. It is delicious and nutritious, and it is a precious seafood. There are about 90 species of abalone in the world, and their footprints are all over the Pacific, Atlantic and Indian oceans. The abalone produced in the Bohai Bay of my country is called wrinkled abalone, and the individual is larger; the one produced in the southeast coast is called variegated abalone, and the individual is smaller; the half-patterned abalone and sheep abalone produced in the Xisha Islands are famous edible abalones. It is expensive due to the low natural yield. Today, all abalone-producing countries in the world are developing artificial breeding. China bred variegated abalone seedlings in the 1970s, and artificial breeding was successful. Traditionally, abalone farming mainl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18A23K1/14
Inventor 林斐沙莉林莉林恒贵林晓丽李闽李云明张兰秀黄慧甘纯玑
Owner PINGTAN COMPREHENSIVE EXPERIMENTAL AREA TANNANWANAQUATIC PROD FOOD CO LTD