A kind of method of mixed breed Sipunculus nudus and Babylonia areolata (Lamarck)
Technical field
The present invention relates to a kind of method of mixed breed Sipunculus nudus and Babylonia areolata (Lamarck), belong to mariculture technology field.
Background technology
Sipunculus nudus (
sipunculusnudus) be commonly called as " sandworm ", the Tideland resources of mainly living in caves at the bottom of coastal sandy or husky shale, the organic debris at the bottom of argillo arenaceous of mainly ingesting, microorganism and benthic diatom etc.Sandworm is of high nutritive value, and have the title of " natural monosodium glutamate ", and the dry delicious flavour of dried product sandworm is expensive.Because Sipunculus nudus carries out ecologic breeding, cost only seed and excavate expense, has the advantages such as this minor benefit is thick, administration measure, convenient management, deeply likes by numerous raisers, become the new focus of North Sea mariculture.Current sandworm breeding way is mainly beach and puts in a suitable place to breed, and breeding process is not is not generally thrown something and fed feed, but the beach being applicable to carrying out high yielding culture Sipunculus nudus is limited, and the culture-cycle is long, usually reaches more than 1.5 years.
Babylonia areolata (Lamarck) (
babyloniaareolata) be commonly called as colored spiral shell, Neptunea cumingi, be distributed in the torrid zone, semi-tropical shale to argillo arenaceous neritic province domain.Dwell life in the battalion end, carnivorous, its fast growth, has higher economy and nutritive value, developed into an emerging mariculture kind.Babylonia areolata (Lamarck) is as carnivorous snail, and bait is generally chilled trash fish, and residual bait, residue and own metabolism refuse make water quality easily occur ruining, substrate melanism, grow putrefactivebacteria, cause high density, large-scale farming benefit not high.Also there is not the special feed for Babylonia areolata (Lamarck) cultivation in the market, the Babylonia areolata (Lamarck) artitificial food of researcher's design, need multiple bait raw material and other trophic factors to carry out extemporaneous preparation, operate and store difficulty, not easily extensively promoting.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method of mixed breed Sipunculus nudus and Babylonia areolata (Lamarck), to solve, the Sipunculus nudus pond culture cycle is long, benefit is low and in Babylonia areolata (Lamarck) breeding process, water quality and substrate deterioration bring the problems such as growth rate is slow, cultivation success rate is low, both utilizations annidation is mutually beneficial complementary, to improve culture benefit.
For solving the problems of the technologies described above, the present invention adopts following technical proposals: a kind of method of mixed breed Sipunculus nudus and Babylonia areolata (Lamarck), comprises the steps:
1, pond is built: choose cement pond clearing of the hard end, area 3-5 mu, dark 1-1.5m, have into discharge outlet, water inlet arranges 40 order net filtration seawater, lays 18-25cm thick at the bottom of pond, the river sand of particle diameter 0.5-3.0mm or sea sand, be divided into the ridge of wide about 2m, stay the space of 30-40cm as walkway between ridge, when doing people's walking and clean husky surface, addle flows away fast;
2, cultivate pre-treatment: put front the quicklime of seedling to pond band water sterilization, the depth of water is about 5-10cm, and consumption is every mu of 60-120kg, the standing water that drains after 2-3 days is exposed to the sun 2-7 days; Sow commercially available prawn manufactured feed by 50kg/ mu, turn over one time on sand surface, feed is mixed with sandy, increase sandy fertile degree, for Sipunculus nudus seed prepares suitable nutrient source, retaining 50-70cm waits for puts seedling;
3, seed is put in a suitable place to breed: 3-4 month in spring puts in a suitable place to breed in the healthy Sipunculus nudus of 3-5cm and trains seed, and sow in pond with the seedling even density of putting of 0.8-1.2 ten thousand/mu, 6-7 month puts Babylonia areolata (Lamarck) in a suitable place to breed, and stocking size is 800-1000 grain/kg, by 200-300 grain/m
2even density sow to-pond;
4, bait feeding: to before putting Babylonia areolata (Lamarck) in a suitable place to breed after putting Sipunculus nudus in a suitable place to breed, artificial Sipunculus nudus manufactured feed of throwing something and feeding at dusk every 2-3 days, feeding volume 10-15kg/ mu; After putting Babylonia areolata (Lamarck) in a suitable place to breed, no longer to throw something and feed artificial Sipunculus nudus manufactured feed, to throw something and feed chilled trash fish by the 3%-5% that breechblock is heavy, 6-9 throws something and feeds once the every day month at dusk, when throwing something and feeding, large trash fish is cut into 20-30g bulk after cleaning, the 9-11 every day month respectively throws something and feeds once sooner or later, the whole piece trash fish or be cut into 50-60g bulk of throwing something and feeding;
5, regulating and controlling water quality and disease control: 1. sunny windy weather, it is many that Babylonia areolata (Lamarck) gets out Shamian Island quantity, throwing something and feeding, it is fast to get out Shamian Island speed after iced trash fish, and feeding volume is increased to the 1.5-2 of common feeding volume doubly, and overcast and rainy or water temperature then reduces to the 0.5-0.8 of normal feeding volume doubly lower than 20 DEG C; 2. after putting Babylonia areolata (Lamarck) in a suitable place to breed, water 20% ~ 50% is changed, if sand surface has more residual bait to rot or the attachment of thicker diatom, every draining in 10-15 days once every 2-3 days, surplus 5-10cm water, rinses with water pump or broom and sweeps rear dry dew 4-8 hour refilling 50-70cm again; 3. a chlorine-containing disinfectant is thrown in every two weeks in breeding process, injected volume 1-2ppm, the generation of prevention bacteriosis; 4. to splash lime water with 10-15kg/ mu every 7-10 days; As a large amount of rainfall, then drain top layer fresh water immediately, prevent salinity adaptability, and to splash lime water with above-mentioned concentration, cultivate water level between the megathermal period and remain on more than 80cm; During whole cultivation, water quality remains on: water temperature 15 DEG C-33 DEG C, and dissolved oxygen is greater than 3.5mg/L, proportion 1.016-1.022, pH value 8.2-8.8.
Described prawn manufactured feed is commercial goods.
Described Sipunculus nudus manufactured feed weight portion match ratio is: white fish meal 32-40 part, dregs of beans 5-11 part, peanut meal 4-8 part, sargassum powder 6-10 part, shrimp shell meal 4-8 part, squid powder 2-5 part, brewer's yeast 2-5 part, flour 18-22 part, zeolite powder 2-4 part, fish oil 2-4 part, soybean lecithin 0.5-2 part, composite mineral salt 0.5-1 part, B B-complex 0.5-1 part and ethoxyquinoline 0.05-0.08 part.
Training seed in described Sipunculus nudus is the seed that the indoor young seedling of Sipunculus nudus obtains after the pond culture of 3-8 month.
Above-mentionedly form in the preparation process of pond, granular zeolite, the haydite of sand weight 4%-8% can also be added in river sand or sea sand, improve sand permeability, be conducive to mass exchange, every 3-5 mu pond configures a paddle aerator simultaneously, is conducive to improving dissolved oxygen and improving water quality.
Adopt the present invention of above-mentioned measure, according to Sipunculus nudus and Babylonia areolata (Lamarck) separately seed concentrate Time To Market, reasonable arrangement is put in a suitable place to breed, in conjunction with Sipunculus nudus and Babylonia areolata (Lamarck) pond cultivation technology, the mutually beneficial complementation of ecology successfully achieving both is raised together with, cultivate the end of the year then, two kinds can form finished product listing.Arranging in pairs or groups the adaptive kind of rational density as Sipunculus nudus in Babylonia areolata (Lamarck) cultivation, carries out integrated ecosystem and raise together with, is solve in Babylonia areolata (Lamarck) breeding process because of effective measures that high-density breeding and bait throwing in cause substrate to worsen.Sipunculus nudus inhabits husky bottom, lives in caves, and flexible in sandy is run away very capable, inhabits sand Babylonia areolata (Lamarck) at the middle and upper levels and also can not cannot prey on Sipunculus nudus.Sipunculus nudus ingest produce after bait decomposition organic debris, Babylonia areolata (Lamarck) metabolite, microorganism, diatom, growth rate increases greatly compared with the natural extensive style cultivation in sea area.Adopt cultural method of the present invention both to improve the breeding environment of Babylonia areolata (Lamarck), shorten again the Sipunculus nudus culture-cycle, improve Babylonia areolata (Lamarck) cultivation survival rate and quality, save breeding spaces, culture benefit is improved.Two kind breed varieties all can do dew for a long time, and hypoxia-resistant capacity is strong, if water is ruined or substrate worsens, then can drain water, rinse surface and do the measures such as dew to improve breeding environment.
Embodiment
embodiment 1
1, pond is built: choose cement pond clearing of the hard end, area 3 mu, dark 1m, has into discharge outlet, and water inlet arranges 40 order net filtration seawater, 18cm is laid thick at the bottom of pond, the river sand of particle diameter 0.5mm or sea sand, add granular zeolite, the haydite of sand weight 4%-8% in river sand or sea sand, sand is divided into the ridge of wide about 2m, stay the space of 30cm as walkway between ridge, when doing people's walking and clean husky surface, addle flows away fast;
2, cultivate pre-treatment: put front the quicklime of seedling to pond band water sterilization, the depth of water is about 5cm, and consumption is every mu of 60kg, standing drain water after 2 days and be exposed to the sun 2 days; Sow commercially available prawn manufactured feed by 50kg/ mu, turn over one time on sand surface, feed is mixed with sandy, increase sandy fertile degree, for Sipunculus nudus seed prepares suitable nutrient source, retaining 50cm waits for puts seedling;
3, seed is put in a suitable place to breed: put in a suitable place to breed March in spring in the healthy Sipunculus nudus of 3cm and train seed, the i.e. seed that obtains after the pond culture of 8 months of indoor young seedling, sow in pond with the seedling even density of putting of 0.8 ten thousand/mu, June puts Babylonia areolata (Lamarck) in a suitable place to breed, stocking size is 800/kg, by 200/m
2even density sow to-pond;
4, bait feeding: to before putting Babylonia areolata (Lamarck) in a suitable place to breed after putting Sipunculus nudus in a suitable place to breed, to throw something and feed at dusk every 2 days artificial Sipunculus nudus manufactured feed, described Sipunculus nudus manufactured feed weight portion match ratio is: white fish meal 32-40 part, dregs of beans 5-11 part, peanut meal 4-8 part, sargassum powder 6-10 part, shrimp shell meal 4-8 part, squid powder 2-5 part, brewer's yeast 2-5 part, flour 18-22 part, zeolite powder 2-4 part, fish oil 2-4 part, soybean lecithin 0.5-2 part, composite mineral salt 0.5-1 part, B B-complex 0.5-1 part and ethoxyquinoline 0.05-0.08 part; Feeding volume 10kg/ mu; After putting Babylonia areolata (Lamarck) in a suitable place to breed, artificial Sipunculus nudus manufactured feed of no longer throwing something and feeding, by heavy 3% the throwing something and feeding chilled trash fish of breechblock, 6-9 throws something and feeds once the every day month at dusk, when throwing something and feeding, large trash fish is cut into 20g bulk after cleaning, and the 9-11 every day month respectively throws something and feeds once sooner or later, the whole piece trash fish or be cut into 50g bulk of throwing something and feeding;
5, regulating and controlling water quality and disease control: 1. sunny windy weather, it is many that Babylonia areolata (Lamarck) gets out Shamian Island quantity, throwing something and feeding, it is fast to get out Shamian Island speed after iced trash fish, and feeding volume is increased to 1.5 times of common feeding volume, and overcast and rainy or water temperature then reduces to 0.5 times of normal feeding volume lower than 20 DEG C; 2. after putting Babylonia areolata (Lamarck) in a suitable place to breed, changed water 20% every 2 days, if sand surface has more residual bait to rot or the attachment of thicker diatom, every draining in 10 days once, surplus 5cm water, rinses with water pump or broom and sweeps rear dry dew 4 hours refilling 50cm again; 3. a chlorine-containing disinfectant is thrown in every two weeks in breeding process, injected volume 1ppm, the generation of prevention bacteriosis; 4. to splash lime water with 10kg/ mu every 7 days; As a large amount of rainfall, then drain top layer fresh water immediately, prevent salinity adaptability, and to splash lime water with above-mentioned concentration, cultivate water level between the megathermal period and remain on more than 80cm; During whole cultivation, water quality remains on: water temperature 15 DEG C-33 DEG C, and dissolved oxygen is greater than 3.5mg/L, proportion 1.016-1.022, pH value 8.2-8.8.
8. cultivate result: culturing time is about 7-9 month, Beihai Fisheries Base Guangxi Province area culturing time is mainly the annual 3-11 month.Babylonia areolata (Lamarck) year, crop was 1.6-2.8kg/m
2, average yield 2.2kg/m
2, specification is 80-140 grain/kg, and average survival is 87%.Sipunculus nudus year crop 70-110kg/ mu, average 96kg/ mu, specification can reach 60-90 bar/kg then, and average survival is 80%.
embodiment 2
1, pond is built: choose cement pond clearing of the hard end, area 5 mu, every 5 mu of configurations paddle aerator, dark 1.5m, has into discharge outlet, water inlet arranges 40 order net filtration seawater, lay 25cm at the bottom of pond thick, the river sand of particle diameter 3.0mm or sea sand, be divided into the ridge of wide about 2m, stay the space of 40cm as walkway between ridge, when doing people's walking and clean husky surface, addle flows away fast;
2, cultivate pre-treatment: put front the quicklime of seedling to pond band water sterilization, the depth of water is about 10cm, and consumption is every mu of 120kg, standing drain water after 3 days and be exposed to the sun 7 days; Sow commercially available prawn manufactured feed by 50kg/ mu, turn over one time on sand surface, feed is mixed with sandy, increase sandy fertile degree, for Sipunculus nudus seed prepares suitable nutrient source, retaining 70cm waits for puts seedling;
3, seed is put in a suitable place to breed: put in a suitable place to breed April in spring in the healthy Sipunculus nudus of 5cm and train seed, the i.e. seed that obtains after the pond culture of 3 months of indoor young seedling, sow in pond with the seedling even density of putting of 1.2 ten thousand/mu, July puts Babylonia areolata (Lamarck) in a suitable place to breed, stocking size is 1000/kg, by 300/m
2even density sow to-pond;
4, bait feeding: to before putting Babylonia areolata (Lamarck) in a suitable place to breed after putting Sipunculus nudus in a suitable place to breed, to throw something and feed at dusk every 3 days artificial Sipunculus nudus manufactured feed, described Sipunculus nudus manufactured feed weight portion match ratio is: white fish meal 32-40 part, dregs of beans 5-11 part, peanut meal 4-8 part, sargassum powder 6-10 part, shrimp shell meal 4-8 part, squid powder 2-5 part, brewer's yeast 2-5 part, flour 18-22 part, zeolite powder 2-4 part, fish oil 2-4 part, soybean lecithin 0.5-2 part, composite mineral salt 0.5-1 part, B B-complex 0.5-1 part and ethoxyquinoline 0.05-0.08 part; Feeding volume 15kg/ mu; After putting Babylonia areolata (Lamarck) in a suitable place to breed, artificial Sipunculus nudus manufactured feed of no longer throwing something and feeding, by heavy 5% the throwing something and feeding chilled trash fish of breechblock, 7-9 throws something and feeds once the every day month at dusk, when throwing something and feeding, large trash fish is cut into 30g bulk after cleaning, and the 9-11 every day month respectively throws something and feeds once sooner or later, the whole piece trash fish or be cut into 60g bulk of throwing something and feeding;
5, regulating and controlling water quality and disease control: 1. sunny windy weather, it is many that Babylonia areolata (Lamarck) gets out Shamian Island quantity, throwing something and feeding, it is fast to get out Shamian Island speed after iced trash fish, and feeding volume is increased to 2 times of common feeding volume, and overcast and rainy or water temperature then reduces to 0.8 times of normal feeding volume lower than 20 DEG C; 2. after putting Babylonia areolata (Lamarck) in a suitable place to breed, changed water 50% every 3 days, if sand surface has more residual bait to rot or the attachment of thicker diatom, every draining in 15 days once, surplus 10cm water, rinses with water pump or broom and sweeps rear dry dew 8 hours refilling 70cm again; 3. a chlorine-containing disinfectant is thrown in every two weeks in breeding process, injected volume 2ppm, the generation of prevention bacteriosis; 4. to splash lime water with 15kg/ mu every 10 days; As a large amount of rainfall, then drain top layer fresh water immediately, prevent salinity adaptability, and to splash lime water with above-mentioned concentration, cultivate water level between the megathermal period and remain on more than 80cm; During whole cultivation, water quality remains on: water temperature 15 DEG C-33 DEG C, and dissolved oxygen is greater than 3.5mg/L, and proportion 1.016-1.022, between pH value 8.2-8.8.
8. cultivate result: culturing time about 8 months, Babylonia areolata (Lamarck) year crop be 1.8-2.8kg/m
2, average yield 2.4kg/m2, specification is 90-160 grain/kg, and average survival is 85%.Sipunculus nudus year crop 60-100kg/ mu, average 90kg/ mu, specification is 60-80 bar/kg, and average survival is 78%.