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Feed for shrimps and crabs and preparation method thereof

A feed, shrimp and crab technology, applied in the field of shrimp and crab feed and its preparation, can solve the problems of unstable production, low survival rate of shrimp and crab artificial breeding, low animal protein content, etc., to achieve environmental protection and ecological balance, The effect of rich amino acid types and high protein content

Inactive Publication Date: 2011-09-14
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current feed has a single formula, low animal protein content, and the conventional pellet feed produced has problems such as poor food attractant, low nutrient digestion and absorption rate, and high cost. A considerable part of the feed fed is converted For feces, the waste is larger
In addition, incompletely consumed feed pollutes the water quality very seriously, and it can also cause disease outbreaks and pool water hypoxia in summer
Due to the existence of the above-mentioned defects, the survival rate of the existing shrimp and crab artificial breeding is low, the output is not stable enough, and the benefit is difficult to maximize

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Take 1,500 adult migratory locusts, place the whole insects in an oven at 80° C. to dry to constant weight, carry out ultrafine grinding in a pulverizer, pass through a 40-mesh sieve, and the content on the 60-mesh sieve is less than 10%. Get 600g of locust powder;

[0023] (2) Get Elodea 4kg, and the above method makes Elodea powder 400g;

[0024] (3) Weigh 150g of migratory locust powder, 100g of elodea powder, 150g of high-gluten flour, and 50g of fish meal to prepare raw material mixed powder; then weigh 20g of active yeast, 8g of compound vitamin, 3g of compound mineral powder, chlorine Choline 1.4g, antioxidant (butyl hydroxyanisole) 0.05g, anti-fungal agent (potassium sorbate) 0.05g are successively mixed with the above-mentioned raw material mixed powder in order to make it uniformly dispersed in the mixture system to form a mixture material;

[0025] (4) Weigh 5g of phospholipid oil, 7.5g of fish oil and 5g of vegetable oil and add the above-mentioned mix...

Embodiment 2

[0029] This embodiment is basically the same as Embodiment 1, except that Elodea is replaced with watercress, which is easier to obtain in the north.

Embodiment 3

[0031] This embodiment is basically the same as that of Embodiment 1, except that the mass fraction ratio is different.

[0032] The formula of this example is: 125g of migratory locust powder, 110g of Elodea powder, 175g of flour, 30g of fish meal, 25g of active yeast, 8g of fish oil, 7.5g of vegetable oil, 7.4g of phospholipid oil, 7.5g of multivitamins, and 3.5g of compound mineral powder g, choline chloride 1g, antioxidant (dibutylhydroxytoluene) 0.05g, antifungal agent (sodium sorbate) 0.05g.

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Abstract

The invention provides feed for shrimps and crabs, which comprises the following main components: acridid powder, waterweed powder, fish meal, wheat flour, active yeasts, fish oil, vegetable oil, phospholipid oil, composite vitamin, composite mineral, choline chloride and the like. The preparation method comprises: subjecting dried acridid and waterweed to ultrafine grinding; and mixing the ground materials with the wheat flour, fish flour, active yeasts, fish oil, vegetable oil, composite vitamin, composite mineral, choline chloride, antioxidant and mildew preventive according to a formula to obtain a mixed material; and fully stirring to obtain granulated feed. The preparation method of the invention is simple and convenient, and the prepared feed contains overall and balance nutrients and has high food calling performance, contains rich chitin and ecdysone, which are required for the growth by the shrimps and crabs, promotes the animal-sourced protein digestion and absorption of the shrimps and crabs, and lower the morbidity of shrimps and crabs; and the stability of the feed in water is high, the utilization rate and nutrient conversion rate of feed can be improved effectively, the pollution to culture water is relieved, and the quality of the cultured products is improved.

Description

technical field [0001] The invention relates to a feed, in particular to a shrimp and crab feed and a preparation method thereof. technical background [0002] my country's shrimp and crab aquaculture has formed a large scale, and the corresponding pellet feed has also formed a large-scale and specialized production. However, the current feed has a single formula, low animal protein content, and the conventional pellet feed produced has problems such as poor food attractant, low nutrient digestion and absorption rate, and high cost. A considerable part of the feed fed is converted For feces, the waste is relatively large. In addition, the incompletely consumed feed pollutes the water quality very seriously, and it can also cause disease outbreaks and hypoxia in the pool water in summer. Due to the existence of the above-mentioned defects, the survival rate of the existing shrimp and crab artificial culture is low, the output is not stable enough, and the benefit is difficu...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K50/80
CPCY02A40/818
Inventor 吴昊王兰张小民贾峰峰
Owner SHANXI UNIV
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