CN100334966C - Artificial micro-particle feedstuff for pseudosciaenacrocea larvae - Google Patents

Abstract

The present invention relates to artificial microparticle feed for young large yellow croaker, which is characterized in that the feed is prepared from the following components of the proportion by weight: 35 to 45% of white fish meal, 10 to 20% of shrimp meal, 10 to 15% of mussel powder, 8 to 12% of squid powder, 3 to 6% of yeast powder, 5 to 10% of hydrolyzed fish protein, 3 to 6% of fish oil, 6 to 12% of alpha-starch, 1 to 3% of sodium alginate, 1 to 3% of inorganic salt mixture, 1 to 3% of vitamin mixture, 0.1 to 0.2% of attractant, 0.01 to 0.05% of lycopene, 0.05 to 0.08% of ethoxyquin, 0.1 to 0.3% of beta-glucan, 5 to 8% of soybean lecithin. The present invention has the advantages that the feed has high stability and low solution loss rate in water, can improve the growth and survival rate of the young large yellow croaker, and has high digestion and absorption rate, stable source of raw materials for production, low price and simple production technology.

Description

The artificial micro-granulated feed of large yellow croaker postlarva

Technical field

The present invention relates to a kind of feed, particularly relate to the artificial micro-granulated feed of a kind of large yellow croaker postlarva.

Background technology

Along with the arrival of the 4th sea-farming tide, China's marine fish culture has already obtained fast development, and cultured output rises year by year.Seed rearing is the key link of sea-farming, the young postlarva of traditional seawater is cultivated and mainly depends on biological feed, this not only needs to spend a large amount of manpower and materials to cultivate biological feeds such as wheel animalcule and halogen worm, seedling cost is risen, and, therefore cause transmission of disease easily because biological feed carries pathogenic microorganism usually.Simultaneously, gather wheel animalcule and halogen worm's ovum in a large number, will cause the destruction Of resources, be unfavorable for the sustainability utilization of resource.In addition, there are shortcomings such as supply is unstable, nutrition sometimes is unbalanced in biological feed, and this is difficult to be protected with regard to the quality and quantity that makes fry.Therefore, nutrition of the young postlarva of seawater and feed have become the bottleneck that the restriction marine fish culture already further develops.In this case, (Microdiet, MD) part even replacing whole biological feed are imperative for the artificial efficiently micro-granulated feed of exploitation.

Large yellow croaker is that China is peculiar, mainly is distributed in China's southeastern coast one band.Because its meat flavour deliciousness, thereby be loved by the people.In history, large yellow croaker once was one of China's famous " four big aquatic/marine animals ", but because overfishing, and large yellow croaker can't form fishing season under the seventies natural endowment.In this case, it is imperative to carry out propagating artificially of large yellow croaker.Along with the success of the eighties large yellow croaker artificial propagation, its aquaculture has obtained large-scale popularization.At present, large yellow croaker has become one of topmost marine fish of China, and the large yellow croaker fry that breeds every year has surpassed 1,000,000,000 tails.Therefore, the cultivation of seed has become large yellow croaker aquaculture key of success link.Yet in the cultivating process of pseudosciaena crocea larvae, still still rely on fresh and alive biological feeds such as wheel animalcule and halogen worm, this has not only improved seedling cost greatly, and since fresh and alive biological feed sometimes nutritional imbalance, carry pathogenic microorganism, this has just caused the decline of seed quality, thereby has a strong impact on the breed of adult fish.Therefore, must develop the artificial micro-granulated feed of large yellow croaker of high-efficiency high-quality, to ensure the sustainable development of China's large yellow croaker aquaculture.

Summary of the invention

The purpose of this invention is to provide the high-efficiency artificial micro-granulated feed in a kind of large yellow croaker seed rearing process, it can remedy the demand of prior art.

The artificial micro-granulated feed of a kind of large yellow croaker postlarva, it is characterized in that being made up of white fish meal, shrimp med, mussel powder, squid powder, dusty yeast, hydrolysis fish protein, fish oil, a-starch, sodium alginate, inorganic salt mixt, vitamin mixtures, phagostimulant, tomato red, ethoxyquinoline, beta glucan and soybean lecithin, their percetage by weight scope is respectively: 35-45,10-20,10-15,8-12,3-6,5-10,3-6,6-12,1-3,1-3,1-3,0.1-0.2,0.01-0.05,0.05-0.08,0.1-0.3,5-8.

Good stability, the dissolve-loss ratio of artificial micro-granulated feed of the present invention in water is low, and be little to water pollution; Can obviously improve growth and the survival rate of large yellow croaker postlarva; The digestibility height; Its raw material source is stable, cheap during production, and production technology is simple; Protein content is 52-57.5% (percetage by weight, down together), and fat content is 15.5-18%.

The specific embodiment

Embodiment 1: take by weighing white fish meal 35kg; shrimp med 10kg; mussel powder 10kg; squid powder 10kg; dusty yeast 5kg; hydrolysis fish protein 5kg; a-starch 9.72kg; inorganic salt mixt 2.0kg; vitamin mixtures 2.0kg; phagostimulant 0.1kg; tomato red (pigment) 0.03kg; ethoxyquinoline (antioxidant) 0.05kg; beta glucan 0.1kg; these several raw materials are carried out ultramicro grinding (crossing 500 orders); then with the 6kg soybean lecithin; 3kg fish oil mixes; put into granulator; slowly add 2kg slaking sodium alginate while stirring; granulate then, through obtaining artificial little bonding feed of different size after the screening.

The experimental result of carrying out in Xiangshan, Zhejiang shows, uses this artificial micro-granulated feed to cultivate the large yellow croaker postlarva, and its survival rate is than the domestic and international artificial micro-granulated feed survival rate of other brand rising 18-25%.Carry out the large yellow croaker postlarva (initial weight: 1.8 ± 0.11mg) culture, with internationally recognizable commercial feed (day clear feed) and domestic " claim. " board feed in contrast in Xiangshan, Zhejiang.Behind 30 days raising experiment, the result shows with artificial micro-granulated feed of the present invention, large yellow croaker postlarva average survival is 43.8%, on average specific growth rate is 10.8%/sky, is significantly higher than domestic " claim " feed (36.3%, 9.5%/sky) and day clear feed (40.3%, 10.1%/sky).

Embodiment 2: take by weighing white fish meal 40kg; shrimp med 15kg; mussel powder 10kg; squid powder 8kg; dusty yeast 3kg; hydrolysis fish protein 5kg; a-starch 6.77kg; inorganic salt mixt 1kg; vitamin mixtures 1kg; phagostimulant 0.1kg; tomato red (pigment) 0.01kg; ethoxyquinoline (antioxidant) 0.02kg; beta glucan 0.1kg; these several raw materials are carried out ultramicro grinding (crossing 500 orders); then with 5kg lecithin; 3kg fish oil mixes; put into granulator; slowly add 2kg slaking sodium alginate while stirring; granulate then, through obtaining artificial little bonding feed of different size after the screening.Wherein white fish meal, shrimp med, mussel powder, squid powder and dusty yeast be under the cryogenic conditions below 40 ℃ the preparation and get.

The experimental result of carrying out in Xiangshan, Zhejiang shows, uses above-mentioned artificial micro-granulated feed to cultivate the large yellow croaker postlarva, obtained the result similar to embodiment 1.

White fish meal of the present invention, shrimp med, mussel powder, squid powder and dusty yeast all be under the cryogenic conditions below 40 ℃ the preparation and get.The component and the percetage by weight thereof of described inorganic salt mixt are respectively: calcium dihydrogen phosphate, 22; Calcium carbonate, 20; Dipotassium hydrogen phosphate, 10; Sodium dihydrogen phosphate, 15.2; Epsom salt, 10; Potassium chloride, 4; Ferrous sulfate heptahydrate, 1; Six water aluminum sulfate 0.04; White vitriol, 1; Manganese sulfate monohydrate 0.2; Cupric sulfate pentahydrate, 0.02; CoCL2,0.3; KI, 0.04; Zeolite powder, 16.2.The component of described vitamin mixtures and content (mg/g) are respectively: inositol, 400; Calcium pantothenate, 60; Vitamin B6,12; Vitamin B2,8; Niacin, 4; Vitamin B1,4; Prokeyvit, 4; Cobalamin, 0.08; Folic acid 0.8; Biotin, 0.4; Vitamin A, 9.6; Vitamin D, 12; Vitamin E, 7; Inferior powder, 478.12.Described phagostimulant is made up of the yellow institute of inosinic acid, clam worm extract, betaine, alanine, arginine and the setting sun, and their percetage by weight scope is respectively: 25-35,25-35,15-20,10-15,8-10 and 1-3.Described clam worm extract preparation method is: take by weighing a certain amount of fresh clam worm, after smashing to pieces, add 70% (percetage by weight) ethanol water extracting 48h by 1: 1 (weight ratio), by rotary evaporation ethanol is evaporated fully at last, can obtain the clam worm extract.

Claims (1)

1, the artificial micro-granulated feed of a kind of large yellow croaker postlarva, it is characterized in that being made up of white fish meal, shrimp med, mussel powder, squid powder, dusty yeast, hydrolysis fish protein, fish oil, a-starch, sodium alginate, inorganic salt mixt, vitamin mixtures, phagostimulant, tomato red, ethoxyquinoline, beta glucan and soybean lecithin, their percetage by weight scope is respectively: 35-45,10-20,10-15,8-12,3-6,5-10,3-6,6-12,1-3,1-3,1-3,0.1-0.2,0.01-0.05,0.05-0.08,0.1-0.3,5-8; The component and the percetage by weight thereof of described inorganic salt mixt are respectively: calcium dihydrogen phosphate, 22; Calcium carbonate, 20; Dipotassium hydrogen phosphate, 10; Sodium dihydrogen phosphate, 15.2; Epsom salt, 10; Potassium chloride, 4; Ferrous sulfate heptahydrate, 1; Six water aluminum sulfate 0.04; White vitriol, 1; Manganese sulfate monohydrate 0.2; Cupric sulfate pentahydrate, 0.02; CoCL2,0.3; KI, 0.04; Zeolite powder, 16.2; The component of described vitamin mixtures and weight thousand marks are respectively: inositol, 400; Calcium pantothenate, 60; Vitamin B6,12; Vitamin B2,8; Niacin, 4; Vitamin B1,4; Prokeyvit, 4; Cobalamin, 0.08; Folic acid, 0.8; Biotin, 0.4; Vitamin A, 9.6; Vitamin D, 12; Vitamin E, 7; Inferior powder, 478.12.