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Scylla paramamosain soft granule compound feed with long shelf life and preparation method of scylla paramamosain soft granule compound feed

A technology of mud crab and compound feed, which is applied in the field of mud crab soft granule compound feed and its preparation, can solve the problems of accelerating fat oxidation and rancidity, increasing the amount of antioxidants used, etc., to improve stability in water, reduce The effect of collapsing and prolonging the shelf life

Pending Publication Date: 2022-07-15
SHANTOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high content of acidic components in antifungal agents will accelerate the oxidation and rancidity of fat, thereby increasing the amount of antioxidants used

Method used

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  • Scylla paramamosain soft granule compound feed with long shelf life and preparation method of scylla paramamosain soft granule compound feed
  • Scylla paramamosain soft granule compound feed with long shelf life and preparation method of scylla paramamosain soft granule compound feed
  • Scylla paramamosain soft granule compound feed with long shelf life and preparation method of scylla paramamosain soft granule compound feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Taking the production of 100 kg of cylindrical mud crab soft pellet feed with a diameter of 2 mm as an example, the following steps are included:

[0032] First, mix 25 kg of fish meal, 23 kg of soybean protein powder, 5 kg of shrimp shell powder, 7 kg of wheat bran, 3 kg of yeast powder, 2 kg of serum powder, 7 kg of dried snail meat powder, 3 kg of Scallop powder, 10 kg of alpha-corn starch, 1 kg of cholesterol, 3 kg of choline chloride, 1 kg of calcium dihydrogen phosphate, 3 kg of multivitamins, 1 kg of sodium carboxymethyl cellulose are crushed and mixed well ; Then mix with 1 kg of krill oil and 4 kg of well-prepared oil (1 kg of krill oil, 2 kg of corn oil and 1 kg of coconut oil), add 1 kg of vegetable mixture; finally put it in the mixer, gradually add Mix 30-45% water evenly, use a 2mm granulating die, and extrude it into soft granules through high temperature and high pressure. When it is cooled and air-dried to about 20% moisture, it is vacuum-packed and sto...

Embodiment 2

[0035] Taking the production of 100 kg of cylindrical mud crab soft pellet feed with a diameter of 3 mm as an example, the following steps are included:

[0036]First, 30 kg of fish meal, 18 kg of soybean protein powder, 8 kg of shrimp shell powder, 4 kg of wheat bran, 2 kg of yeast powder, 3 kg of serum powder, 4 kg of dried snail meat powder, 5 kg of Dried scallop powder, 10 kg of alpha-corn starch, 2 kg of cholesterol, 1 kg of choline chloride, 3 kg of calcium dihydrogen phosphate, 1 kg of multivitamin, 2 kg of sodium carboxymethyl cellulose are pulverized and mixed well ; Then mix well with 0.5 kg of krill oil and 6 kg of well-prepared oil (3 kg of krill oil, 1 kg of corn oil and 2 kg of coconut oil), add 0.5 kg of vegetable mixture; finally put it in the mixer, gradually add Mix 30-45% of water evenly, use a 3mm granulating die, extrude it into soft granules by high temperature and high pressure, when it is cooled and air-dried to about 30% moisture, vacuum package, and s...

Embodiment 3

[0039] Taking the production of 100 kg of cylindrical mud crab soft pellet feed with a diameter of 5 mm as an example, by designing different plant mixture formulas, the shelf life of the soft pellet feed prepared by each formula was compared.

[0040] First, 28 kg of fish meal, 20 kg of soybean protein powder, 5 kg of shrimp shell powder, 5 kg of wheat bran, 5 kg of yeast powder, 3.5 kg of serum powder, 3 kg of dried snail meat powder, 2 kg of Dried scallop powder, 14.3 kg of alpha-corn starch, 1 kg of cholesterol, 0.7 kg of choline chloride, 1.5 kg of calcium dihydrogen phosphate, 2 kg of multivitamin, 2 kg of sodium carboxymethyl cellulose are pulverized and mixed well ; Then mix well with 2 kg of krill oil and 4 kg of prepared oil (2 kg of krill oil, 1 kg of corn oil and 1 kg of coconut oil), and divide the mixture into 17 equal parts; The formulas of different plant mixtures were added to it, as shown in Table 1 below. Among them, group 17 did not add the plant mixture, w...

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Abstract

The invention discloses a preparation method of a soft granular compound feed for scylla paramamosain with a long shelf life. The soft granular compound feed comprises plant extraction mixtures: 15-25% of a perilla leaf extract, 10-25% of a eucommia ulmoides extract, 5-15% of a tea leaf extract, 10-20% of a garlic extract, 10-20% of a bamboo leaf extract, 10-15% of a fructus forsythiae extract and 10-15% of an astragalus membranaceus extract. After being cooled and air-dried for a short time, the soft granules are directly subjected to vacuum packaging. The soft pellet feed prepared by optimizing the feed formula and adding the plant extract with the functions of corrosion prevention, bacteriostasis and growth promotion can be stored for a long time, is good in stability in water and high in feed utilization rate, and the scylla paramamosain likes to eat the soft pellet feed. The process is simple, the water content of the green crab soft granule compound feed produced according to the formula and the preparation method of the green crab soft granule compound feed provided by the invention is 20-30%, the green crab soft granule compound feed can be preserved for 14-30 days at normal temperature (25-35 DEG C) and can be preserved for more than 3 months at 4-8 DEG C, the stability of the green crab soft granule compound feed in water is maintained for more than 4 hours, and the green crab soft granule compound feed is easy to eat and higher in digestion and utilization rate.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a long shelf-life soft-granule compound feed for Scylla simulans and a preparation method thereof. Background technique [0002] Scylla simulacrum belongs to Arthropoda, Crustacea, Decapoda, Brachyuridae, and Portunidae. It is the dominant species of Scylla, which is widely distributed in the southeastern coastal areas of my country. Because of its strong adaptability, delicious meat and rich nutrition, It has become an ideal breeding species with high economic value, and is an important economic crab in the southeast coast of my country, and the market demand is strong. At present, the breeding of Scylla simulacrum is mainly based on feeding chilled bait, and artificial compound feed is rarely used. The resources of chilled bait are limited, the supply cannot be guaranteed, and it is easy to rot and decompose, spoil the water quality, and cause the spread of diseases. At pr...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K10/30A23K10/22A23K20/147A23K10/26A23K10/37A23K10/18A23K10/24A23K20/163A23K20/158A23K20/168A23K20/105A23K20/26A23K20/174A23K20/20A23K40/25A23K30/00
CPCA23K50/80A23K10/30A23K10/22A23K20/147A23K10/26A23K10/37A23K10/18A23K10/24A23K20/163A23K20/158A23K20/168A23K20/105A23K20/26A23K20/174A23K20/30A23K40/25A23K30/00
Inventor 陈翠英王树启张鹏元余金达孙志杰林帆
Owner SHANTOU UNIV
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