CN105029040A - Method for feeding sea cucumbers with proportioned bait in suspending cage breeding mode - Google Patents
Method for feeding sea cucumbers with proportioned bait in suspending cage breeding mode Download PDFInfo
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- CN105029040A CN105029040A CN201510447920.2A CN201510447920A CN105029040A CN 105029040 A CN105029040 A CN 105029040A CN 201510447920 A CN201510447920 A CN 201510447920A CN 105029040 A CN105029040 A CN 105029040A
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Abstract
The invention relates to a method for feeding sea cucumbers with proportioned bait in a suspending cage breeding mode, and belongs to the field of aquiculture. The method adopts powdery sea cucumber compound feed, pre-gelatinized starch and drained soaked kelp, and is characterized in that the drained soaked kelp is cut into small slices to be placed into a non-toxic container; the powdery sea cucumber compound feed, the pre-gelatinized starch and the drained soaked kelp are mixed according to a weight ratio of 1 to 2 to 8; during mixing, the sequence needs to be taken into consideration, that is firstly, the powdery sea cucumber compound feed and the drained soaked kelp slices are mixed uniformly, and then the mixture is uniformly mixed the pre-gelatinized starch, wherein in the process, the flouring of the pre-gelatinized starch and stirring are operated at the same time, and the stirring cannot be stopped until the mixture is uniform and the powdery sea cucumber compound feed is uniformly adhered to the surfaces of the kelp slices; during feeding, suspending cages are pulled out from water, bait feeding windows at all layers of each cage are opened, and the uniformly mixed bait is fed according to the food intake of the sea cucumbers.
Description
Technical field
The bait proportioning that the present invention relates to sea cucumber cage cultivation in technical field of aquaculture is fed.
Background technology
Current China holothruian cultures reach scale, industrialization, become one of pillar industry of China's sea-farming, holothruian cultures mode also develops into industrial aquaculture by traditional pond culture, cage culture, cage cultivates, caisson cultivation etc., but current production rate is maximum, what the output value was the highest mainly still carries out sea area cultivation, reason is that the seawater nutrient in nature marine site is enriched, some sea-tangles that only need simply to throw something and feed just can meet the needs of holothruian cultures, disease is few, survival rate is high, fast growth, but when sea cucumber is proceeded to the cultivation of indoor industrially-cultured or indoor cage, because seawater Middle nutrition amount of material is few, and quantity of exchanged water is little, trace nutrient in water body cannot meet the demand of sea cucumber growth at all, easily cause sea cucumber dead, survival rate is low.Therefore, in indoor industrially-cultured sea cucumber process, ooze of splashing while sea-tangle of usually throwing something and feeding.Ooze refers to the sposh of Changhai algae above marine stone reef, and the marine all kinds of benthic diatom classes grown inside scallop cage that keep hanging are some benthic mollusca, shrimps etc. that are main and the inside parasitism.Algae in this ooze and shell chip nutritious, is the natural algae biological feed that sea cucumber is liked, has sinking function to be convenient to seabed and ingest and take action conveniently, meet sea cucumber nutrient demand after sea cucumber food.In recent years, because the cultured area of sea cucumber increases, natural ooze cannot meet cultivation demand, therefore the sustainable development cannot carrying out holothruian cultures is used conventional methods, therefore raiser adopts the pulverous mixed feed of sea cucumber of throwing something and feeding to be substituted, if but powder holothurian feed of directly throwing something and feeding in the process of throwing something and feeding, a large amount of bait will inevitably be caused to run off, polluted water, especially when carrying out indoor industrially-cultured sea cucumber, quantity of exchanged water is less, therefore to throw something and feed powder sea cucumber compound feed, easily because bait flowing water causes change of water quality, cause the death of sea cucumber, and solid particle feed is less, and solid hand fit holothurian feed poor effect of throwing something and feeding.Therefore, study a kind of simple, easy bait feeding method and solve the loss of powdery bait, meet sea cucumber nutrient demand, promote the development of indoor industrially cage cultivation, imperative.
Summary of the invention
The problem to be solved in the present invention reduces to run off at indoor industrially cage cultivation powdery bait, meet sea cucumber nutrient needs, improves sea cucumber survival rate.
The sea-tangle that technical scheme of the present invention is filtered dry after adopting powdery sea cucumber compound feed, pre-gelatinized starch and immersion is raw material, it is characterized in that the sea-tangle be filtered dry after soaking cuts shape into pieces, wide 2 ~ the 6cm of sheet, long 14 ~ 22cm, through freshwater soaking, deliquescing, is filtered dry moisture with filter screen, and the sea-tangle be filtered dry after immersion is put into non-toxic container; The sea-tangle be filtered dry after powdery sea cucumber compound feed, pre-gelatinized starch, immersion is arranged in pairs or groups according to following weight ratio, powdery sea cucumber compound feed: pre-gelatinized starch: the sea-tangle=1:2:8 be filtered dry after immersion; Will successively sequentially during collocation operation, the sea-tangle be filtered dry after first carrying out powdery sea cucumber compound feed and soaking is mixed thoroughly, then mixes thoroughly with pre-gelatinized starch again, spills while stir, until mix thoroughly and make powdery sea cucumber compound feed evenly stick at sea-tangle surface; First cage is proposed from water when throwing something and feeding, open the bait throwing in window of every layer, to arrange in pairs or groups by weight the feed mixed thoroughly by the sea-tangle be filtered dry after above-mentioned powdery sea cucumber compound feed, pre-gelatinized starch, immersion according to sea cucumber food ration input.
The present invention is simple to operate, be easy to application, through test by two groups of cages, often organize cage and have 6 layers, every layer of sea cucumber of putting 4 body weight 50 ~ 65g, wherein one group of pure sea-tangle soaked of throwing something and feeding, another group throws something and feeds three kinds of compositions by weight collocation, powdery sea cucumber compound feed: pre-gelatinized starch: the sea-tangle=1:2:8 be filtered dry after immersion mixes the proportioning feed made thoroughly, result after 2 months feed shows: the sea cucumber of the forage feed that proportioning as stated above of throwing something and feeding is made, survival rate is greater than 91%, on average every rate of body weight gain is 33.6%, be much higher than 75% and 18.67% of the nursing of pure sea-tangle, have a significant effect.The water of simultaneously raising sea cucumber still keeps very high transparency, and show that feed runs off less, nutrient utilization is higher.
Detailed description of the invention
The present invention adopts powdery sea cucumber compound feed, pre-gelatinized starch and sea-tangle three kinds of raw materials.First cut sea-tangle into pieces shape, sheet size is according to actual needs of throwing something and feeding, generally wide 2 ~ 6cm, and grow 14 ~ 22cm, through freshwater soaking, deliquescing, is filtered dry moisture with filter screen; By powdery sea cucumber compound feed: pre-gelatinized starch: the weight ratio collocation of the sea-tangle=1:2:8 be filtered dry after immersion is mixed thoroughly; Will successively sequentially when mixing thoroughly, the sea-tangle be filtered dry after first carrying out powdery sea cucumber compound feed and soaking is mixed thoroughly, then mix thoroughly with pre-gelatinized starch again, powdery sea cucumber compound feed is made evenly to stick at sea-tangle surface, specifically mixing operation thoroughly is that the sea-tangle be filtered dry after immersion is put into non-toxic container, and next is spilled into powdery sea cucumber compound feed and stirs, and is finally evenly spilled into pre-gelatinized starch, spill while stir, until mix thoroughly and make powdery sea cucumber compound feed evenly stick at sea-tangle surface; Prepare according to the method described above before throwing something and feeding at every turn.Powdery sea cucumber compound feed in raw material is artifical compound feed powder particle, and its composition contains seawood meal 35%, spirulina powder 10%, sargassum powder 30%, fish meal 14%, vitamin 8%, copper sulphate 0.5%, zinc sulfate 1.5%, manganese sulfate 1%; Pre-gelatinized starch is feed grade, makes, its Gel strength > 70%, brookfield viscosity > 0.5 handkerchief/second, moisture < 20% through high temperature of 120 DEG C heating.
Claims (3)
1. bait proportioning feeding method under a sea cucumber cage aquaculture model, powdery sea cucumber compound feed, pre-gelatinized starch and sea-tangle is adopted to be raw material, it is characterized in that the sea-tangle be filtered dry after soaking cuts shape into pieces, wide 2 ~ the 6cm of sheet, long 14 ~ 22cm, through freshwater soaking, deliquescing, be filtered dry moisture with filter screen, the sea-tangle be filtered dry after immersion is put into non-toxic container; The sea-tangle be filtered dry after powdery sea cucumber compound feed, pre-gelatinized starch, immersion is arranged in pairs or groups according to following weight ratio, powdery sea cucumber compound feed: pre-gelatinized starch: the sea-tangle=1:2:8 be filtered dry after immersion; Will successively sequentially during collocation operation, the sea-tangle be filtered dry after first carrying out powdery sea cucumber compound feed and soaking is mixed thoroughly, then mixes thoroughly with pre-gelatinized starch again, spills while stir, until mix thoroughly and make powdery sea cucumber compound feed evenly stick at sea-tangle surface; First cage is proposed from water when throwing something and feeding, open the bait throwing in window of every layer, drop into the feed of arranging in pairs or groups and mixing thoroughly according to sea cucumber food ration.
2. bait proportioning feeding method under a kind of sea cucumber cage aquaculture model according to right 1, it is characterized in that the powdery sea cucumber compound feed in raw material is artifical compound feed powder particle, its composition contains seawood meal 35%, spirulina powder 10%, sargassum powder 30%, fish meal 14%, vitamin 8%, copper sulphate 0.5%, zinc sulfate 1.5%, manganese sulfate 1%.
3. bait proportioning feeding method under a kind of sea cucumber cage aquaculture model according to right 1 or 2, it is characterized in that pre-gelatinized starch is feed grade, make through high temperature of 120 DEG C heating, its Gel strength > 70%, brookfield viscosity > 0.5 handkerchief/second, moisture < 20%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510447920.2A CN105029040B (en) | 2015-07-27 | 2015-07-27 | Bait matches feeding method under a kind of sea cucumber cage aquaculture model |
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| CN201510447920.2A CN105029040B (en) | 2015-07-27 | 2015-07-27 | Bait matches feeding method under a kind of sea cucumber cage aquaculture model |
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| CN105029040A true CN105029040A (en) | 2015-11-11 |
| CN105029040B CN105029040B (en) | 2019-03-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107156530A (en) * | 2017-04-26 | 2017-09-15 | 青岛农业大学 | Sea cucumber cage cultivates special feed and application method |
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