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A method suitable for feeding habit transformation of largemouth bass cultured in small water bodies

A technology for largemouth bass and water bodies, applied in the field of freshwater aquaculture, can solve problems such as poor food conversion, self-cannibalism, and environmental pollution, and achieve the effects of reducing feeding competition, solving damage, and promoting feeding

Active Publication Date: 2021-05-25
GUANGXI UNIV OF CHINESE MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method suitable for feeding conversion of California perch in small water bodies in ponds, so as to solve the problems of low survival rate, poor feeding conversion, self-cannibalization and serious environmental pollution under the existing pond culture mode of California perch

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  • A method suitable for feeding habit transformation of largemouth bass cultured in small water bodies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A kind of method that is suitable for small water body breeding largemouth bass feed habit conversion, comprises the steps:

[0038] (1) Pond cultivation:

[0039] Choose a small pond of 1-2 mu, keep the water temperature of the pond at 16°C, and splash quicklime on the whole pond 10 days in advance for sterilization and disinfection before adding water. After disinfection, add water to the pond to a height of 50 cm, sprinkle 5 kg of biological fertilizer on the whole pond, and observe the effect of fertilizer and water every day. According to the weather, add 10 cm of water every day on sunny days, and sprinkle 2.5 kg of biological fertilizer on the whole pond every 4 days. When the total plankton is 60-70%, the seedlings can be released;

[0040] The biological fertilizer is as follows by mass percentage: oil bran 12%, brown sugar 5%, soybean meal 25%, yeast powder 0.4%, fish bone meal 13%, EM bacteria stock solution 0.2%, carbon black powder 3%, and the balance is w...

Embodiment 2

[0062] A method suitable for feeding largemouth bass in small water bodies is basically the same as in Example 1, except that the biological fertilizer is as follows in terms of mass percentages: 15% oil bran, 5% brown sugar, 20% soybean meal, Yeast powder 0.3%, fish bone powder 10%, EM bacteria stock solution 0.1%, carbon black powder 5%, and the balance is water; the preparation method of the biological fertilizer is as follows: dissolve brown sugar in water, add oil bran, soybean meal, fish bone powder and yeast powder, after fully stirring and mixing, ferment at a temperature of 48°C for 40 days; then add EM bacteria stock solution and carbon black powder, and stir evenly.

[0063] The artificial feed includes the following raw materials in parts by weight: 30 parts of imported fish meal, 25 parts of domestic fish meal, 10 parts of fermented soybean meal, 5 parts of cassava starch, 2 parts of seawater fish oil, 2 parts of squid paste, 1 part of phospholipid powder, phosphor...

Embodiment 3

[0066] A kind of method that is suitable for small water body breeding largemouth bass feed habit conversion is basically the same as embodiment 1, and difference is:

[0067] The biological fertilizer is as follows by mass percentage: oil bran 10%, brown sugar 6%, soybean meal 30%, yeast powder 0.5%, fish bone meal 15%, EM bacteria stock solution 0.3%, carbon black powder 2%, and the balance is water; The preparation method of the biological fertilizer is as follows: dissolve brown sugar in water, add oil bran, soybean meal, fish bone meal and yeast powder, stir and mix thoroughly, and ferment at 55°C for 30 days; then add EM bacteria stock solution and charcoal Black powder, stir well.

[0068] The artificial feed includes the following raw materials in parts by weight: 40 parts of imported fish meal, 35 parts of domestic fish meal, 20 parts of fermented soybean meal, 15 parts of cassava starch, 4 parts of seawater fish oil, 4 parts of squid paste, 3 parts of phospholipid po...

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Abstract

The invention discloses a method suitable for feeding habit transformation of largemouth bass cultured in small water bodies, belonging to the field of freshwater culture. The invention comprises the following steps: (1) cultivating water in the pond; (2) preliminary domestication in the pond; (3) indoor domestication. The invention combines the biological characteristics of California perch, the characteristics of plankton in the pond water body, the nutritional substitution of compound feed and the breeding process of California perch, can promote the intake of artificial compound feed by largemouth bass, and regularly and dynamically sieve and classify largemouth bass during the domestication process, which can reduce the Competition for feeding due to size differences in fry. In the present invention, by comprehensively adopting the above-mentioned technologies, the success rate of domestication transformation can reach more than 90%.

Description

technical field [0001] The invention belongs to the field of freshwater aquaculture, and in particular relates to a method suitable for feeding habit transformation of largemouth bass in small water bodies. Background technique [0002] Largemouth bass (Micropterus salmoides), commonly known as California perch, belongs to Perciformes (Perciformes) and Cehtrachidae (Cehtrachidae) in taxonomy. It is native to the Mississippi River system in California, USA. It is a rare and valuable carnivorous fish with strong, large individual, rapid growth, good quality, easy to catch and wide temperature adaptability. Largemouth bass is a top-grade fish and is very popular because of its firm meat and delicate meat taste, which cannot be matched by local bass and mandarin fish. [0003] my country introduced largemouth bass fry in 1983. After more than 30 years of development, the current production of largemouth bass in my country has reached more than 160,000 tons, and it has become on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A23K50/80A23K10/22
CPCA23K10/22A23K50/80A01K61/10Y02A40/81Y02A40/818
Inventor 黄亮华潘传燕梁方方黄国强米顺利高程海刘永宏
Owner GUANGXI UNIV OF CHINESE MEDICINE
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