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Compound protein feed for shrimp and method for preparing the same

A compound protein and feed technology, which is applied in the field of shrimp compound protein feed and its preparation, can solve the problems of poor palatability and nutritional balance, few fish meal substitutes, and difficult fish meal ratio, and achieve high nutritional value, easy operation, The effect of ensuring stable supply

Inactive Publication Date: 2009-05-27
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the lower limit of the fishmeal addition ratio after fishmeal substitution in the current feed formula can only reach 20%. The main reason is that there are few fishmeal substitutes, a single source, poor palatability and nutritional balance, and the feed utilization rate is reduced after fishmeal substitution. Therefore, further It is very difficult to reduce the proportion of fishmeal in the feed formula

Method used

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  • Compound protein feed for shrimp and method for preparing the same
  • Compound protein feed for shrimp and method for preparing the same
  • Compound protein feed for shrimp and method for preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] During preparation, corn gluten meal, blood meal, chicken meal and meat and bone meal are mixed, pulverized, and passed through a 60-mesh sieve to obtain the shrimp compound protein feed. The raw materials are composed of 25% of corn gluten powder, 30% of chicken powder, 30% of meat and bone powder and 15% of blood powder according to the mass percentage content of each raw material.

[0021] The crude protein content of the obtained shrimp compound protein feed is 62.0%, and the crude fat is 10.8%. The shrimp compound protein feed contains 2.9% of essential amino acids such as arginine, histidine, isoleucine, leucine, lysine, sulfur-containing amino acids, phenylalanine, tyrosine, and threonine. , 1.5%, 1.8%, 6.1%, 2.9%, 1.4%, 2.9%, 1.3%, 2.0%, 2.9%. The composition and nutritional components of the shrimp compound protein feed are shown in Table 1.

[0022] Table 1 Compound protein feed and its raw materials conventional components and essential amino acid content (...

Embodiment 2

[0032] The composition of the raw materials of the shrimp compound protein feed and its content by mass percentage are the same as in Example 1.

[0033] The comparison feeding experiment of shrimp compound protein feed instead of fish meal is given below.

[0034] Using the above-mentioned feed formula, a compound feed with high protein level and low fishmeal was prepared, and the feeding effect test of Penaeus white shrimp was carried out. Prepare the control feed and the test feed of fats such as nitrogen etc. (40% of crude protein content, 8% of crude fat content) respectively, the fish meal content of contrast feed is 37%, and the fish meal content is 8% in the test material, and the fish meal that reduces is with compound protein feed Instead, the ratio of other raw materials such as soybean meal, squid viscera powder, brewer's yeast, shrimp bran powder, calcium dihydrogen phosphate, and additive premix is ​​the same as that of the control feed. Fish oil is used to adjus...

Embodiment 3

[0041] Similar to Example 1, its difference is that the raw material composition of the shrimp compound protein feed and its content by mass percentage are corn gluten meal 22%, chicken meal 35%, meat and bone meal 28%, spray-dried blood meal 15%, during preparation, each Raw materials are crushed and passed through a 40-mesh sieve.

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Abstract

A shrimp compound protein feed and a preparation method thereof relate to a feed. The invention provides the shrimp compound protein feed which has relatively balanced nutrition, higher quality and can be used as a fish meal substitute and the preparation method thereof. Raw materials and the contents thereof according to the weight percentage include: 22 percent-28 percent of corn protein powder, 28 percent-35 percent of chicken meal, 26 percent-33 percent of meat and bone meal and the balance of spray-dried blood meal. The corn protein powder, the blood meal, the chicken meal and the meat and bone meal are mixed, smashed and screened, thereby obtaining the shrimp compound protein feed. The content of crude protein and crude fat is equal to the content of the fish meal, compared with soybean meal and various compound protein raw materials, the balance of essential amino acids is significantly improved, and the nutritional value is high; the sources of animal and plant protein raw materials are wide, the yield is high, and the stable supply can be ensured; the shrimp compound protein feed can improve the feed palatability, be used as the fish meal substitute, be used for feed enterprises to produce extensive or intensive culture shrimp compound feed, and reduce the feed cost.

Description

technical field [0001] The invention relates to a feed, in particular to a shrimp compound protein feed and a preparation method thereof. Background technique [0002] So far, fishmeal is still the most important protein raw material in aquafeed, but the world's fishmeal production has not increased significantly for a long time, and the rapid development of aquaculture industry has promoted the strong demand for fishmeal in the aquafeed industry, resulting in a serious shortage of fishmeal supply. In order to alleviate the contradiction between supply and demand of fishmeal and reduce the excessive dependence of aquaculture industry on fishmeal, research and development of fishmeal substitutes and their preparation technology is a realistic way to fundamentally alleviate the shortage of fishmeal supply and reduce feed costs. For this reason, major aquaculture countries in the world are actively carrying out research on fishmeal substitutes. Although some progress has been m...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K10/20A23K10/24A23K10/26A23K20/147A23K50/80
CPCY02A40/818
Inventor 叶继丹关瑞章张春晓李富东王子甲
Owner JIMEI UNIV
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