Compound feed special for penaeus merguiensis

A technology of prawn and compound feed, applied in the field of compound feed and prawn compound feed, can solve the problems of low breeding yield, high bait coefficient, low survival rate of prawns, etc. The effect of improving the survival rate of aquaculture

Active Publication Date: 2014-12-10
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the different species of shrimp, there are large differences in the nutritional requirements and digestive physiological characteristics during the shrimp farming process. The use of existing conventional shrimp feed for the cultivatio

Method used

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  • Compound feed special for penaeus merguiensis
  • Compound feed special for penaeus merguiensis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1 According to spray drying, hydrolyzed porcine peptone (produced by Western Magic Peptide Company of the United States, has the following characteristics: crude protein content 85%, small peptide content after enzymolysis 55%, cholesterol content 0.1%) 70%, sunflower meal 5%, cracked 7% chytrid algae powder, 15% whole wheat flour, 1% calcium dihydrogen phosphate, 1% multivitamins (produced by Qingdao Master Biotechnology Co., Ltd.), 1% compound minerals (produced by Qingdao Master Biotechnology Co., Ltd.) The feed is prepared in Zhanjiang Hengxing Special Feed Co., Ltd. The production process is as follows: All raw materials are crushed according to the fineness of the 100-mesh sieve, and the water vapor at 100~110°C is added to adjust the moisture to 20%. , the tempering time is 90 seconds, after the moisture conditioning is completed, the pellets are granulated at 105°C and dried at 94°C, and the diameter of the ring die of the pellets is 1.2mm.

[0023] The ...

Embodiment 2

[0031] Example 2 The Penaeus meguimin described in Example 1 was used together with the 3 ponds of 1.5 mu in the breeding base of Zhanjiang Hengxing South Ocean Co., Ltd. to carry out commercial cultivation of Penaeus mejimin. The seedling density is 30,000 / mu, and the seedling size of Penaeus mojimin is about 0.2g. The breeding time is from May 16th to September 16th, 2013, a total of 4 months. Farming management is carried out according to the routine management of prawns. The rearing data of the 3 test ponds after clearing all the ponds are shown in the table below:

[0032] .

[0033] Preliminary market research shows that in Zhanjiang area, common prawn feed or fresh miscellaneous fish and shrimp are used to raise prawns. The yield per mu is generally about 300kg, the survival rate is about 70%, and the bait coefficient is above 1.3. And use the Mojimin prawns cultivated by the compound feed of the present invention, the survival rate is all more than 90%, the bait c...

Embodiment 3

[0034] Example 3 Weigh 60 kg of spray-dried hydrolyzed porcine peptone (produced by Western Magic Peptide Company in the United States, with the following characteristics: 80% crude protein content, 60% small peptide content after enzymatic hydrolysis, and 0.15% cholesterol content), 10 kg of sunflower meal, and a cracked pot Algae powder 10kg, whole wheat flour 18kg, calcium dihydrogen phosphate 1kg, multivitamin (manufactured by Qingdao Master Biotechnology Co., Ltd.) 0.5kg, compound mineral (manufactured by Qingdao Master Biotechnology Co., Ltd.) 0.5kg. Mix all raw materials evenly, and then pulverize them in a superfine pulverizer, so that all materials can pass through a 100-mesh screen, move all pulverized materials into a modulator, and pass in 100°C steam for 60 seconds to make the moisture After the content was adjusted to 18%, the raw materials were fed into the Hengrun 550 extruding granulator for pelleting at 105°C, and then the granulated feed pellets were dried at...

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Abstract

The invention discloses a compound feed special for penaeus merguiensis. The feed is prepared by adopting the following raw materials in percentage by weight: 50-70% of spray-dried hydrolyzed pig peptone, 5-10% of sunflower seed meal, 5-10% of schizochytrium powder, 10-30% of whole wheat flour, 0.5-1% of monocalcium phosphate, 0.5-1% of compound vitamin and 0.5-1% of compound mineral substance. The compound feed special for penaeus merguiensis, disclosed by the invention, is prepared according to the nutritional requirements and the digestive physiological characteristics of the penaeus merguiensis and is balanced in nutrition, simple in preparation and low in cost; and when being used for the breeding of the penaeus merguiensis, the compound feed has the following advantages that (1) the growth speed of the penaeus merguiensis is greatly increased and the feed coefficient is reduced by a large margin; (2) the raw materials are simple and easily available, and compared with existing prawn feeds, the compound feed is lower in cost; and (3) the nutrients are rich and balanced and the breeding survival rate of the penaeus merguiensis is effectively increased to more than 90%.

Description

technical field [0001] The invention relates to a compound feed, in particular to a prawn prawn compound feed, and belongs to the technical field of aquaculture. Background technique [0002] Penaeus merguiensis (Penaeus merguiensis), commonly known as white thorn shrimp and white shrimp in Guangdong, is widely distributed in the South China Sea and other places in my country. It is an important species of fish farming in coastal areas. It has large individuals, rapid growth, tender meat, and delicious taste Features, popular with farmers and consumers. In recent years, due to the low prices of conventional prawn species such as Penaeus vannamei and Penaeus monodon, and serious disease outbreaks, more and more farmers have turned to the cultivation of Penaeus mojimin. However, up to now, there are very few researches on the nutrition of Penaeus mejimin at home and abroad, and there is no special compound feed for the culture of Penaeus mejimina. Therefore, most of the curre...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/16A23K1/14A23K1/175
CPCY02A40/818
Inventor 孙成波刘兴旺陈兆明
Owner GUANGDONG OCEAN UNIVERSITY
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