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Expanded sinking formula feed suitable for sea crabs to ingest and method for preparing same

A technology of extruded compound feed and processing method, which is applied in the field of sinking extruded compound feed and its processing, can solve the problems of easy pollution of water quality, waste of feed, waste of resources, etc., improve digestion and utilization rate, avoid a large amount of debris, and environmental pollution small effect

Inactive Publication Date: 2011-09-07
ZHEJIANG JINDADI FEED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the hard granules pressed by ordinary granulators are used as food for seawater crabs, the feed granules are too hard and the taste is poor. During the feeding process, a large amount of feed residues are produced due to gnawing, and the hard granule feed has poor stability in water and has not been used. It collapses before ingestion, resulting in a large waste of feed and easy pollution of water quality
It also caused crab farmers to think that the compound feed cannot raise large sea crabs, and would rather use fresh miscellaneous fish
Although fresh miscellaneous fish is in line with the eating habits of crabs, it has a high feed coefficient, which seriously pollutes the aquaculture water, spreads germs easily, and wastes resources seriously

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 1. According to the nutritional formula of sea crabs, coarsely pulverize the required bulk raw materials such as steamed fish meal, peeled soybean meal, shrimp meal, cuttlefish viscera powder, peanut meal, and brewer's yeast through a hammer mill.

[0025] 2. Take 28kg of steamed fish meal, 15kg of soybean meal, 6kg of shrimp meal, 5kg of squid viscera powder, 13kg of peanut meal, 5kg of brewer's yeast, 20.15kg of flour, and 1.5kg of calcium dihydrogen phosphate, and mix the raw materials evenly for the first time. The raw material mixture is further pulverized with an ultrafine pulverizer, so that 95% of all components pass through a 80-mesh sieve.

[0026] 3. Get 2kg of soybean lecithin, 0.2kg of 50% choline chloride, 0.25kg of compound multidimensional, 1kg of compound multimineral, 0.2kg of betaine, 0.1kg of exfoliating agent, 0.1kg of immunopotentiator, and superfine crushed The raw materials are put into the feed mixer for the second time and the raw materials are...

Embodiment 2

[0034] 1. According to the nutritional formula of sea crabs, coarsely pulverize the required bulk raw materials such as steamed fish meal, peeled soybean meal, shrimp meal, cuttlefish viscera powder, peanut meal, and brewer's yeast through a hammer mill.

[0035] 2. Take 23kg of steamed fish meal, 18kg of soybean meal, 7kg of shrimp meal, 6kg of squid viscera powder, 15kg of peanut meal, 4kg of brewer's yeast, 18.65kg of flour, and 2kg of calcium dihydrogen phosphate, and mix the raw materials evenly for the first time. The raw material mixture is further pulverized with an ultrafine pulverizer, so that 95% of all components pass through a 80-mesh sieve.

[0036] 3. Get 1.5kg of soybean lecithin, 0.15kg of 50% choline chloride, 0.2kg of compound multidimensional, 1kg of compound multimineral, 0.3kg of betaine, 0.1kg of exfoliant, 0.1kg of immune enhancer, and superfine grinding Put the raw materials into the feed mixer for the second time and mix the raw materials evenly.

[...

Embodiment 3

[0044] 1. According to the nutritional formula of sea crabs, coarsely pulverize the required bulk raw materials such as steamed fish meal, peeled soybean meal, shrimp meal, cuttlefish viscera powder, peanut meal, and brewer's yeast through a hammer mill.

[0045] 2. Take 32kg of steamed fish meal, 13kg of soybean meal, 5kg of shrimp meal, 4.5kg of cuttlefish viscera powder, 12kg of peanut meal, 4.5kg of brewer’s yeast, 22.05kg of flour, and 1kg of calcium dihydrogen phosphate, and mix the raw materials evenly for the first time. The raw material mixture is further pulverized with an ultrafine pulverizer, so that 95% of all components pass through a 80-mesh sieve.

[0046] 3. Take 2kg of soybean lecithin, 0.3kg of 50% choline chloride, 0.25kg of compound multidimensional, 1kg of compound multimineral, 0.2kg of betaine, 0.1kg of exfoliant, 0.1kg of immune enhancer, ultrafine pulverized raw materials Put it into a feed mixer and mix the raw materials evenly for the second time. ...

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Abstract

The invention discloses expanded sinking formula feed suitable for sea crabs to ingest and a method for preparing same. The method comprises the following steps: coarse-grinding a large amount of materials, evenly mixing the materials for the first time, ultra-fine grinding, evenly mixing the materials for the second time, conditioning, drying, cooling and the like. The expanded sinking formula feed has the advantages of high stability in water, long stabilization time in water, and low water and environmental pollution; the starch gelatinization of the product is as high as 90% to 95%, thereby improving the digestive utilization ratio of the product; and the expanded sinking formula feed turns soft and flexible through water absorption and is preferable for the digestion of sea crabs, therefore, the expanded sinking formula feed can be substituted totally for the existing formula feed of fresh trash fish and hard granules and applied to the artificial breeding of the sea crabs.

Description

【Technical field】 [0001] The invention relates to the field of seawater crab compound feed and processing thereof, in particular to a sinking puffed compound feed suitable for seawater crab feeding and a processing method thereof. 【Background technique】 [0002] Seawater crabs include Portunus trituberculatus and Scylla serrata, which are mainly distributed in the northern and southern seas of my country. Its meat is delicious, plump and nutritious, and is deeply loved by people. In recent years, due to the reduction of natural resources, artificial breeding of Portunus has developed rapidly in coastal areas such as Zhejiang, Jiangsu, and Shandong. The quality of its feed is one of the key technologies for the development of its breeding industry. For the nutritional needs of seawater crab growth, someone has carried out the research on its feed formula, as Chinese patent CN1579204A. But most still adopts fresh miscellaneous fish in the breeding practice of seawater crab ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18A23K1/16A23K10/16A23K10/22A23K10/26A23K10/37A23K20/10A23K20/105A23K20/158A23K20/174A23K20/28A23K50/80
CPCY02A40/818Y02P60/87
Inventor 张冰杰高红建陈国艺
Owner ZHEJIANG JINDADI FEED
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