阅读说明：本技术 一种淡水鱼环保配合饲料的制备方法 (Preparation method of freshwater fish environment-friendly compound feed ) 是由 李军亮 陈宏民 莫颖 于 2019-11-08 设计创作，主要内容包括：本发明涉及水产养殖技术领域,特别是涉及一种淡水鱼环保配合饲料的制备方法,所述淡水鱼环保配合饲料的原料和重量配比是鱼粉16-20份、玉米蛋白粉6-10份、豆粕22-25份、膨化大豆粉11-15份、花生麸12-20份、菜籽粕6-10份、鱼油1-5份、豆油1-5份、磷酸二氢钙0.2-1份、氯化胆碱0.2-1份、复合益生菌0.1-1份、维生素C 0.2-0.6份、复合多维0.1-0.3份,首先根据配种比准确称取各原材料的重量,将颗粒较大的原材料进行初次粉碎,然后通过混合机搅拌均匀,通过该方法可使饲料更易于消化,避免淡水鱼无法消化饲料而将多余饲料当做废物排出,降低了淡水鱼排泄废弃物的分量,从而避免了排泄物对水环境的污染,提高了水环境的质量,也就降低了淡水鱼的发病概率。(The invention relates to the technical field of aquaculture, in particular to a preparation method of a freshwater fish environment-friendly compound feed, which comprises the following raw materials, by weight, 16-20 parts of fish meal, 6-10 parts of corn protein powder, 22-25 parts of soybean meal, 11-15 parts of expanded soybean meal, 12-20 parts of peanut bran, 6-10 parts of rapeseed meal, 1-5 parts of fish oil, 1-5 parts of soybean oil, 0.2-1 part of monocalcium phosphate, 0.2-1 part of choline chloride, 0.1-1 part of composite probiotics, 0.2-0.6 part of vitamin C and 0.1-0.3 part of composite multi-vitamin, wherein the raw materials with larger particles are firstly accurately weighed according to the weight of a preparation ratio, the raw materials with larger particles are primarily crushed, then are uniformly stirred by a mixer, the method can make the feed easier to digest, and avoid the situation that the freshwater fish cannot digest the feed and discharge the redundant feed, the amount of the waste discharged by the freshwater fish is reduced, so that the pollution of the waste to the water environment is avoided, the quality of the water environment is improved, and the morbidity of the freshwater fish is reduced.)

1. A preparation method of an environment-friendly compound feed for freshwater fish is characterized by comprising the following steps: the raw materials and the weight ratio of the freshwater fish environment-friendly compound feed are 16-20 parts of fish meal, 6-10 parts of corn protein powder, 22-25 parts of bean pulp, 11-15 parts of expanded soybean meal, 12-20 parts of peanut bran, 6-10 parts of rapeseed meal, 1-5 parts of fish oil, 1-5 parts of soybean oil, 0.2-1 part of monocalcium phosphate, 0.2-1 part of choline chloride, 0.1-1 part of composite probiotics, 0.2-0.6 part of vitamin C and 0.1-0.3 part of composite multi-vitamin;

the freshwater fish environment-friendly compound feed is prepared by the following process steps:

step (1): firstly, accurately weighing the weight of each raw material according to the proportion;

step (2): the raw materials with larger particles are primarily crushed and then are uniformly stirred by a mixer;

and (3): micronizing the uniformly mixed raw materials, adding oil, and continuously mixing;

and (4): then adding the material into a conditioner, introducing broil hot water steam, and keeping the temperature of the material and the space at 100 +/-5 ℃;

and (5): the material after the conditioning is processed by an extrusion assembly and a discharge assembly in a bulking machine in sequence, and the composite probiotics are added by a post-spraying technology;

and (6): drying and cooling the prepared feed particles, sieving to remove powder, and storing or packaging.

2. The preparation method of the freshwater fish environment-friendly compound feed according to claim 1, which is characterized by comprising the following steps: and (4) after the raw materials in the step (3) are subjected to superfine grinding, sieving by a 80-mesh sieve.

3. The preparation method of the freshwater fish environment-friendly compound feed according to claim 1, which is characterized by comprising the following steps: and (4) hardening and tempering the material in the step (4) for 2-5 minutes.

Technical Field

The invention relates to the technical field of aquaculture, in particular to a preparation method of an environment-friendly compound feed for freshwater fish.

Background

In recent years, the fresh water aquaculture in China is developed rapidly, and the proportion of the fresh water aquaculture industry in the national economy is increased in successive years. Freshwater fish culture mainly refers to fish culture by utilizing inland water such as ponds, reservoirs, lakes and the like. Freshwater fish culture is a main component of inland aquaculture, and in recent years, with the continuous development of culture technology, freshwater fish production modes are diverse, such as pond fish culture, lake fish culture, reservoir fish culture, net cage culture and the like, farmers seek benefit maximization to enable fish to grow rapidly, and blind high-feeding-rate culture for a long time, so that the fish can not digest feed completely, a large amount of pollutants are discharged, water quality is seriously damaged, the digestion performance of freshwater fish is improved, the feed utilization rate is improved, and the water environment is optimized, which becomes a difficult problem to be solved urgently.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the preparation method of the freshwater fish environment-friendly compound feed, which has the advantages of improving the feed utilization rate, reducing the environmental pollution, reducing the probability of diseases in the freshwater fish culture process and the like, and solves the problem that the existing feed is incompletely digested to cause the increase of excrement so as to pollute the water quality and improve the morbidity of the freshwater fish.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the preparation method of the freshwater fish environment-friendly compound feed comprises the following raw materials, by weight, 16-20 parts of fish meal, 6-10 parts of corn protein powder, 22-25 parts of soybean meal, 11-15 parts of expanded soybean meal, 12-20 parts of peanut bran, 6-10 parts of rapeseed meal, 1-5 parts of fish oil, 1-5 parts of soybean oil, 0.2-1 part of monocalcium phosphate, 0.2-1 part of choline chloride, 0.1-1 part of composite probiotics, 0.2-0.6 part of vitamin C and 0.1-0.3 part of composite multi-vitamin;

the freshwater fish environment-friendly compound feed is prepared by the following process steps:

step (1): firstly, accurately weighing the weight of each raw material according to the proportion;

step (2): the raw materials with larger particles are primarily crushed and then are uniformly stirred by a mixer;

and (3): micronizing the uniformly mixed raw materials, adding oil, and continuously mixing;

and (4): then adding the material into a conditioner, introducing broil hot water steam, and keeping the temperature of the material and the space at 100 +/-5 ℃;

and (5): the material after the conditioning is processed by an extrusion assembly and a discharge assembly in a bulking machine in sequence, and the composite probiotics are added by a post-spraying technology;

and (6): drying and cooling the prepared feed particles, sieving to remove powder, and storing or packaging.

Preferably, the raw materials in the step (3) are subjected to superfine grinding and then need to be sieved by a 80-mesh sieve.

Preferably, the time for tempering the material in the step (4) is 2-5 minutes.

(III) advantageous effects

Compared with the prior art, the invention provides a preparation method of the freshwater fish environment-friendly compound feed, which has the following beneficial effects:

the method can ensure that the feed is easier to digest, avoids the problem that freshwater fish cannot digest the feed and discharges redundant feed as waste, and reduces the amount of waste excreted by the freshwater fish, thereby avoiding the pollution of the waste to the water environment, improving the quality of the water environment and reducing the morbidity of the freshwater fish.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The preparation method of the freshwater fish environment-friendly compound feed comprises the following raw materials, by weight, 16-20 parts of fish meal, 6-10 parts of corn protein powder, 22-25 parts of soybean meal, 11-15 parts of expanded soybean meal, 12-20 parts of peanut bran, 6-10 parts of rapeseed meal, 1-5 parts of fish oil, 1-5 parts of soybean oil, 0.2-1 part of monocalcium phosphate, 0.2-1 part of choline chloride, 0.1-1 part of composite probiotics, 0.2-0.6 part of vitamin C and 0.1-0.3 part of composite multi-vitamin;

the freshwater fish environment-friendly compound feed is prepared by the following process steps:

step (1): firstly, accurately weighing the weight of each raw material according to the proportion;

step (2): the raw materials with larger particles are primarily crushed and then are uniformly stirred by a mixer;

and (3): micronizing the uniformly mixed raw materials, adding oil, and continuously mixing;

and (4): then adding the material into a conditioner, introducing broil hot water steam, and keeping the temperature of the material and the space at 100 +/-5 ℃;

and (5): the material after the conditioning is processed by an extrusion assembly and a discharge assembly in a bulking machine in sequence, and the composite probiotics are added by a post-spraying technology;

and (6): drying and cooling the prepared feed particles, sieving to remove powder, and storing or packaging.