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Protein-saving compound feed for young megalobrama amblycephalas and preparation method of protein-saving compound feed

A compound feed, saving technology, applied in the direction of animal feed, animal feed, application, etc., can solve the problems of excessive deposition of fish body fat, low feed utilization, pollution of aquaculture water, etc., to reduce the bait coefficient, raw material combination and nutrition. The ratio is balanced and reasonable, and the effect of improving the survival rate

Active Publication Date: 2013-10-16
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Purpose of the invention: Aiming at the high feed production cost, high juvenile fish mortality rate, low feed utilization rate, excessive deposition of fish body fat and pollution of breeding water in the large-scale and intensive breeding process proposed in the prior art Serious problems, etc., the object of the present invention is to provide a kind of protein-saving compound feed for juvenile bream and its preparation method

Method used

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  • Protein-saving compound feed for young megalobrama amblycephalas and preparation method of protein-saving compound feed
  • Protein-saving compound feed for young megalobrama amblycephalas and preparation method of protein-saving compound feed
  • Protein-saving compound feed for young megalobrama amblycephalas and preparation method of protein-saving compound feed

Examples

Experimental program
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Effect test

Embodiment 1

[0026]The preferred weight percentages of the raw materials in the protein-saving formula feed for young bream juveniles provided by the invention are: 3% fish meal, 20% soybean meal, 15% rapeseed meal, 10% cotton meal, 10% peanut meal, and full-fat puffed soybean 4%, full-fat rapeseed 6%, fermented cottonseed meal 5%, corn distiller's grain protein 4%, wheat bran 10%, subflour 9%, bile salt emulsifier 0.1%, glycyrrhetinic acid 0.03%, α-starch 1.87% , calcium dihydrogen phosphate 1% and intensive fish compound premix 1%. It contains the following nutrients and levels: moisture 10%, crude protein 31%, crude fat 6%, digestible sugar 33%, total energy 18.6MJ / kg, egg energy ratio 17.1g / MJ, glycolipid ratio 5.5, crude ash 9 %, crude fiber 11%.

[0027] The method for making the compound feed from the formula of the protein-saving juvenile bream compound feed provided by the invention is carried out according to the following steps:

[0028] A, take by weighing above-mentioned var...

Embodiment 2

[0035] A. Take 0.3 kg of fish meal, 2.0 kg of soybean meal, 1.4 kg of rapeseed meal, 1.0 kg of cotton meal, 1.0 kg of peanut meal, 0.5 kg of full-fat puffed soybean, 0.6 kg of full-fat rapeseed, 0.6 kg of fermented cotton meal, and 0.4 kg of corn distiller's grain protein kg, 0.9 kg of wheat bran, 0.9 kg of secondary powder, 0.01 kg of bile salt emulsifier, 0.003 kg of glycyrrhetinic acid, 0.187 kg of α-starch, 0.1 kg of calcium dihydrogen phosphate and 0.1 kg of intensive fish compound premix, of which phosphoric acid Calcium dihydrogen and intensive fish compound premix were purchased from Nanjing Huamu Animal Science and Technology Research Institute in Jiangsu Province; it contained the following nutrients and levels: moisture 11%, crude protein 28%, crude fat 8%, digestible sugar 32% , total energy 16.5MJ / kg, egg energy ratio 17.1g / MJ, glycolipid ratio 4, crude ash 9.5%, crude fiber 12%.

[0036] B. Separately crush raw materials such as soybean meal, rapeseed meal, cotto...

Embodiment 3

[0041] Embodiment 3: basically the same as Example 1, the difference is the raw material formula, the weight percentages of each raw material are respectively: fish meal 5%, soybean meal 22%, rapeseed meal 10%, cotton meal 15%, peanut meal 8%, whole Fat puffed soybean 3%, full-fat rapeseed 5%, fermented cottonseed meal 8%, corn distiller's grain protein 3%, wheat bran 8%, subflour 9%, α-starch 1.93%, bile salt emulsifier 0.05%, licorice Hypoacid 0.02%, calcium dihydrogen phosphate 1% and intensive fish compound premix 1%.

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Abstract

The invention relates to a protein-saving compound feed for young megalobrama amblycephalas and a preparation method of the protein-saving compound feed. The feed is mainly prepared from the following raw materials: 3-5% of fish meal, 17-22% of soybean meal, 10-15% of rapeseed meal, 10-15% of cottonseed meal, 8-10% of peanut meal, 3-5% of whole-milk extruded soybean, 5-8% of whole-milk vegetable seed, 5-8% fermented cottonseed meal, 3-5% of corn lee protein, 8-10% of wheat bran, 8-10% of wheat shorts, 1-2% of alpha-starch, 0.05-0.1% of bile acid and salt emulsifying agent, 0.015-0.03% of glycyrrhetinic acid, 1% of monocalcium phosphate and 1% of compound-premix for intensively-cultured fishes. The preparation method comprises the following steps of: stirring the raw materials in a stirring machine and introducing steam to prepare grains with the grain size of 1-2mm, and then, dewatering and cooling to the room temperature. By using the protein-saving compound feed for the young megalobrama amblycephalas, provided by the invention, the problem of unbalanced nutrition of the compound feed in the current culture of the young megalobrama amblycephalas is solved, the physical condition of the of the young megalobrama amblycephalas is improved, the growth speed of the young megalobrama amblycephalas and the feed utilization ratio are increased, and the feed production cost and the pollution to a water body in the culture process can be reduced.

Description

technical field [0001] The invention belongs to the technical fields of aquaculture, nutrition regulation and feed processing, and relates to a protein-saving compound feed for juvenile roundhead bream and a preparation method thereof. Background technique [0002] Bram bream is a freshwater herbivorous carp fish, commonly known as Wuchang fish. It is native to Liangzi Lake in Ezhou, Hubei, and is mainly distributed in still water lakes in the middle and lower reaches of the Yangtze River. This fish is one of the important herbivorous economic fishes in my country. Because of its wide feeding habits, high survival rate, easy fishing, short feeding cycle, small head, high meat content, rich nutrition, delicious and tender meat, etc. As an excellent herbivorous fish species, it is widely promoted throughout the country. According to the 2011 China Fishery Statistical Yearbook, except for Tibet and Qinghai provinces, this fish is distributed in other provinces, cities or region...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18
Inventor 刘文斌李向飞徐维娜蒋广震
Owner NANJING AGRICULTURAL UNIVERSITY
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