CN105075978A - Method for culture soft-shelled turtles in lake area of fresh-water lake - Google Patents
Method for culture soft-shelled turtles in lake area of fresh-water lake Download PDFInfo
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- CN105075978A CN105075978A CN201510509801.5A CN201510509801A CN105075978A CN 105075978 A CN105075978 A CN 105075978A CN 201510509801 A CN201510509801 A CN 201510509801A CN 105075978 A CN105075978 A CN 105075978A
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a method for culturing soft-shelled turtles in a lake area of a fresh-water lake. The method comprises the steps of utilizing the fresh-water lake as a culture area and constructing a culture pond, wherein the fresh-water lake is free of pollution or low in pollution and belongs to the bicarbonate type calcium group, mixing underground water from a deep well with lake water of the fresh-water lake in proportion, treating a water body obtained after the mixing as an environmental water body for culturing the soft-shelled turtles, and preparing fodder by treating protogenetic snail meat and mussel meat in the lake area as raw materials and combining eggs, allicin, gallnut and rheum officinale powder so that the soft-shelled turtles can be promoted to be adapted to the lake area environment. By means of the culture method, the management is convenient, the feeding is easy to conduct, occupied land is little, the survival rate is high, soft-shelled turtle culture income is increased, and it is facilitated to achieve the large-scale and industrialized soft-shelled turtle culture.
Description
Technical field
The present invention relates to the breeding soft-shell turtle technology in aquaculture field, be specifically related to a kind of method lake region, fresh water lake cultivation soft-shelled turtle.
Background technology
Soft-shelled turtle is a kind of famous and precious aquatic livestock, abound with in lake, the waters such as reservoir, wild soft-shelled turtle delicious flavour, nutritious, be rich in vitamin A, vitamin E, collagen, several amino acids, unsaturated fatty acid and trace element, there is high nutritive value, also there are enriching yin and nourishing kidney simultaneously, heat-clearing disappears silt, the multiple medicinal efficacy such as spleen-and-stomach-invigorating, deficient night sweating can be controlled, hyperactivity of yang due to yin deficiency, prolonged illness is had loose bowels, pediatric epilepsy scared, women's amenorrhoea, the diseases such as difficult labour, the integration of drinking and medicinal herbs food liked since being China's long term consumer, because it suffers extinctive fishing in natural water area, wild soft-shelled turtle resource is day by day exhausted, wild soft-shelled turtle is very rare in the waters such as lake, thus, the soft-shelled turtle propagated artificially becomes its excellent substitute.
Along with the raising of people's living standard, to the increase in demand of soft-shelled turtle, various breeding way also occurs as Small cement pond in succession, pond, booth temperature control cultivates, although these cultural methods improve soft-shelled turtle output, but it is high because dropping into, administrative skill difficulty is large, and poor growth, simultaneously, because its culturing area density is high, feed is used mostly to be again the processing feed of low grade, cause its meat poor, the kind of nutrition and content are also far below wild soft-shelled turtle, thus be necessary to develop a kind of good in economic efficiency and the ecological soft-shelled turtle cultural method of efficient resource can be fully utilized.
Summary of the invention
Technical problem solved by the invention is to provide a kind of method lake region, fresh water lake cultivation soft-shelled turtle, in order to solve the defect in above-mentioned technical background.
Technical problem solved by the invention realizes by the following technical solutions:
In a method for lake region, fresh water lake cultivation soft-shelled turtle, specifically comprise following operating procedure:
1, pollution-free or oligosaprobic heavy carbonic salt calcium group fresh water lake is chosen as culture zone, limpid in coastal waters water quality, that illumination is thorough region is selected to build multiple culturing pool by laying bricks or stones, culturing pool is brick mix structure, single swimming pool area 20 ㎡ ~ 30 ㎡, dark 1.5 ~ the 2m in pond, be two stage structures in pond, on it, the difference in height on rank and lower rank is 1.0 ~ 1.3m, upper rank are provided with and have the groove that a degree of depth is 0.2 ~ 0.4m, size is consistent with upper rank, in addition, a slope has also been built by laying bricks or stones, in the oblique angle of 20 ° ~ 30 ° at the bottom of this slope and pond between upper rank and lower rank.
2, by puzzle culturing pool cleaning, sterilization, and draw lake water soaking pit 1 ~ 2 month, then lake water put dry, and again clean, sterilize, after sterilize, culturing pool is rinsed well, and fill up in the groove of upper rank totally, the fine sand that disinfects is for subsequent use.
3, after phreatic water being mixed with the ratio of lake water 1:2 ~ 1:3 by water body total hardness and total alkalinity and chloride, sulphate, silicate, ammoniacal nitrogen norm controlling within fishery water standard, then diversion is carried out to culturing pool, first soft-shelled turtle seedling supports in the shallow water position of maintenance 4 ~ 6cm, increase with individuality later and add deep water level but more than 0.8m, water temperature 26 DEG C ~ 32 DEG C in this process, should do not controlled; Then choose healthy soft-shelled turtle fry, in the same solution of 1mg/L, soak 30min after utilizing the copper sulphate of 2 ㎎/L or liquor potassic permanganate to carry out body surface wiping to fry, then throw in fry according to the standard of 10 ~ 15 Zhi/㎡ to culturing pool.
4, the spiral shell utilizing the fresh water lake adjoined to originate in, freshwater mussel prepare bait as main material, spiral shell and the freshwater mussel same day or the previous day of carrying salvage, the spiral shell of salvaging, freshwater mussel are carried out broken shell process respectively, and gone by spiral shell meat intestines and freshwater mussel meat together to carry out sorting, clean, then in spiral shell meat and/or freshwater mussel meat: egg: allicin: gall nut: the ratio interpolation egg of Rhubarb Powder=50:10:1:2:1, allicin, gall nut, Rhubarb Powder are mixed with daily bait; In addition, in daily bait respectively add account for total food quality 0.01% ~ 0.05% proline, 0.01% ~ 0.05% hydroxyamino, the serine of 0.01% ~ 0.05%, the citrulling of 0.05 ~ 0.1% and 0.3% ~ 0.5% wheat bran, corn flour and 0.1 ~ 0.3% terramycin be egg-laying period and hibernation early-stage fodder.
5, above-mentioned bait is utilized to throw something and feed to the soft-shelled turtle in culturing pool: May ~ every day early October throws something and feeds 2 ~ 3 times, the Feeding time of twice of throwing something and feeding is 8 of every day and 16 points, the Feeding time of three times of throwing something and feeding is every day 8 points, 12 and 18 points, day feeding volume is 5% ~ 7% of soft-shelled turtle body weight, and other times section is thrown something and fed once every day, Feeding time is 8 points of every day, day feeding volume be 3% ~ 5% of soft-shelled turtle body weight; Annual early November start to Second Year May be the hibernation period of soft-shelled turtle, do not need feeding.
6, after soft-shelled turtle enters hibernation period; isolation strip is built in culturing pool region; people and animals are not allowed often to walk about at cultivation pool side; in order to avoid make soft-shelled turtle be subject to external scaring; affect the normal hibernation of soft-shelled turtle; reviving later soft-shelled turtle usually all can resting stage for some time, keeps illumination to can normal activity.
In the present invention, Ti Neixia rank, described culturing pool pond are provided with the triangular cone table that some fixing bamboo chips are made into, the height of this tripod frustum is 0.8 ~ 1m, to facilitate soft-shelled turtle activity and probe.
In the present invention, Ti Neishang rank, described culturing pool pond are provided with some fixing feeding dishes, and the residual bait do not eaten up in feeding process should be removed in time, and eats platform with thimerosal cleaning.
In the present invention, regularly utilized saline solution, chlorine dioxide, BCDMH to carry out water body disinfection every 30 days to culturing pool, disinfect rear regulating water quality, and with bromine chlorine solvent, wiping is carried out to soft-shelled turtle body surface.
In the present invention, culturing pool keeps the speed flowing water supply of 0.5m/s ~ 1m/s in case water-stop body is putrid and deteriorated.
In the present invention, soft-shelled turtle starts for before hibernation and before laying eggs 15 days, and the feeding volume of bait is suitably increased to 1.2 ~ 1.5 times of feeding volume at ordinary times, and keeps culturing area quiet during this period, does not allow soft-shelled turtle get a fright.
In the present invention, need to carry out density adjustment process at different times to the soft-shelled turtle in culturing pool, wherein: be 10 ~ 15 Zhi/㎡ during 2 50 ~ 100g in age; 5 ~ 8 Zhi/㎡ during 3 100 ~ 200g in age; 3 ~ 5 Zhi/㎡ during 4 400 ~ 500g in age; 1 ~ 3 Zhi/㎡ during 5 more than 600g in age, and in 4 ages and 5 age grade sections, in each culturing pool, the ratio of male and female soft-shelled turtle should control as 5:2 ~ 3:1.
Beneficial effect: the present invention takes full advantage of lake region, fresh water lake resource and soft-shelled turtle growth-development law; whole breeding process is simple to operate; input cost is low;, take up an area less, survival rate is high; convenient management, adopts pure natural bait simultaneously, achieves ecologic breeding; and feeding cost is low, can realize scale in lake region, industrialization cultivation, has significant economy, ecology and social benefit.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment one:
Culturing pool group is built in the large Tong Hu lake region of Hunan Province's Yiyang City, culturing pool group comprises 30 culturing pools, culturing pool is brick mix structure, single pool area 30 ㎡, the dark 2m in pond, and respectively body both sides, pond are provided with water inlet and delivery port, two stage structures that difference in height is 1m are provided with in pond, the upper rank of culturing pool having a degree of depth is the inner groovy of 0.2m, and in inner groovy, be provided with fixing feeding dish, the triangular cone table that 8 bamboo chips are made into evenly is provided with in lower rank, the height of triangular cone table is 1m, between lower rank and upper rank, then building one by laying bricks or stones with bottom surface, lower rank is the oblique angle of 20 °.
Culturing pool draws lake water soaking pit before use to be put dry by lake water after 2 months, with clear water, culturing pool pool wall is cleaned, then the bleaching powder of 0.002 ‰ and the lime disinfection of 0.04 ‰ is adopted, again clean by clean water after sterilization, dry and place a week, then in the upper rank groove of culturing pool, fill up fine sand that is clean, that disinfect, pass in the culturing pool after placement by water inlet after phreatic water is mixed with the ratio of lake water 1:2, control height of water level 6cm in culturing pool, water temperature 28 DEG C, and the speed flowing water supply keeping 0.5m/s ~ 1m/s.Choose healthy soft-shelled turtle fry, in the copper-bath of 1mg/L, soak 30min after utilizing the copper-bath of 2 ㎎/L to carry out body surface wiping to fry, then throw in fry according to the standard of 10 Zhi/㎡ to culturing pool.
The spiral shell utilizing the fresh water lake adjoined to originate in during preparation bait, freshwater mussel prepare bait as main material, spiral shell and the freshwater mussel same day or the previous day of carrying salvage, the spiral shell of salvaging, freshwater mussel are carried out broken shell process respectively, and gone by spiral shell meat intestines and freshwater mussel meat together to carry out sorting, clean, then in spiral shell meat and/or freshwater mussel meat: egg: allicin: gall nut: the ratio interpolation egg of Rhubarb Powder=50:10:1:2:1, allicin, gall nut, Rhubarb Powder are mixed with daily bait; During nursing, May ~ every day early October throws something and feeds 3 times, the Feeding time of twice of throwing something and feeding be every day 8 point, 12 and 18 points, day feeding volume is 5% ~ 7% of soft-shelled turtle body weight, divide and evenly throw something and feed for three times, and other times section is thrown something and fed once every day, Feeding time is 8 points of every day, day feeding volume be 3% ~ 5% of soft-shelled turtle body weight; In addition, the hibernation period that it is soft-shelled turtle mid-May that annual early November starts to Second Year does not need feeding.
And before hibernation 15 days and egg-laying period, in daily bait respectively add account for total food quality 0.01% ~ 0.05% proline, 0.01% ~ 0.05% hydroxyamino, the serine of 0.01% ~ 0.05%, the citrulling of 0.05 ~ 0.1% and 0.3% ~ 0.5% wheat bran, corn flour and 0.1 ~ 0.3% terramycin as extraordinary bait, simultaneously, bait feeding amount is suitably increased to 1.2 times of feeding volume at ordinary times, and keeps culturing area quiet during this period.
After soft-shelled turtle enters hibernation period; isolation strip is built in culturing pool region; people and animals are not allowed often to walk about at cultivation pool side; in order to avoid make soft-shelled turtle be subject to external scaring; affect the normal hibernation of soft-shelled turtle; reviving later soft-shelled turtle usually all can resting stage for some time, keeps illumination to can normal activity.
In the breeding process of the present embodiment, carry out a prevention from suffering from the diseases inspection each moon, saline solution, chlorine dioxide, BCDMH is utilized to carry out water body disinfection, disinfect rear regulating water quality, and with bromine chlorine solvent, wiping being carried out to soft-shelled turtle body surface, the residual bait that every day is not eaten up in feeding process is removed in time, and eats platform with the cleaning of food-grade thimerosal, and at different times, density adjustment process is carried out to the soft-shelled turtle in culturing pool, adjustment standard is: be 10 Zhi/㎡ during 2 50 ~ 100g in age; 5 Zhi/㎡ during 3 100 ~ 200g in age; 3 Zhi/㎡ during 4 400 ~ 500g in age; 2 Zhi/㎡ during 5 more than 600g in age, and in 4 ages and 5 age grade sections, in each culturing pool, the ratio of male and female soft-shelled turtle controls as 3:1.
The soft-shelled turtle after ripening in 2 years of the cultural method cultivation of the present embodiment, survival rate is 95%, single tail average weight is 3.2 jin, and the heaviest single tail soft-shelled turtle is 3.86 jin, and during culinary art, mouthfeel and nutrition are closer to wild soft-shelled turtle.
Embodiment two:
Culturing pool group is built in Niu Langhu lake region, Gongan County, Hubei Province, culturing pool group comprises 5 culturing pools, culturing pool is brick mix structure, single pool area 20 ㎡, the dark 1.5m in pond, and respectively body both sides, pond are provided with water inlet and delivery port, two stage structures that difference in height is 1m are provided with in pond, the upper rank of culturing pool having a degree of depth is the inner groovy of 0.2m, and in inner groovy, be provided with fixing feeding dish, the triangular cone table that 5 bamboo chips are made into evenly is provided with in lower rank, the height of triangular cone table is 1m, between lower rank and upper rank, then building one by laying bricks or stones with bottom surface, lower rank is the oblique angle of 20 °.
Culturing pool draws lake water soaking pit before use to be put dry by lake water after 1 month, with clear water, culturing pool pool wall is cleaned, then the lime disinfection of 0.05 ‰ is adopted, again clean by clean water after sterilization, dry and place a week, then in the upper rank groove of culturing pool, fill up fine sand that is clean, that disinfect, pass in the culturing pool after placement by water inlet after phreatic water is mixed with the ratio of lake water 1:3, control height of water level 5cm in culturing pool, water temperature 30 DEG C, and the speed flowing water supply keeping 0.5m/s ~ 1m/s.Choose healthy soft-shelled turtle fry, in the liquor potassic permanganate of 1mg/L, soak 30min after utilizing the liquor potassic permanganate of 2 ㎎/L to carry out body surface wiping to fry, then throw in fry according to the standard of 10 Zhi/㎡ to culturing pool.
The spiral shell utilizing the fresh water lake adjoined to originate in during preparation bait, freshwater mussel prepare bait as main material, spiral shell and the freshwater mussel same day or the previous day of carrying salvage, the spiral shell of salvaging, freshwater mussel are carried out broken shell process respectively, and gone by spiral shell meat intestines and freshwater mussel meat together to carry out sorting, clean, then in spiral shell meat and/or freshwater mussel meat: egg: allicin: gall nut: the ratio interpolation egg of Rhubarb Powder=50:10:1:2:1, allicin, gall nut, Rhubarb Powder are mixed with daily bait; During nursing, May ~ every day early October throws something and feeds 2 times, the Feeding time of twice of throwing something and feeding be every day 8 point, 16 points, day feeding volume is 5% ~ 7% of soft-shelled turtle body weight, evenly throw something and feed at twice, and other times section is thrown something and fed once every day, Feeding time is 8 points of every day, day feeding volume be 3% ~ 5% of soft-shelled turtle body weight; In addition, the hibernation period that it is soft-shelled turtle mid-May that annual early November starts to Second Year does not need feeding.
And before hibernation 15 days and egg-laying period, in daily bait respectively add account for total food quality 0.01% ~ 0.05% proline, 0.01% ~ 0.05% hydroxyamino, the serine of 0.01% ~ 0.05%, the citrulling of 0.05 ~ 0.1% and 0.3% ~ 0.5% wheat bran, corn flour and 0.1 ~ 0.3% terramycin as extraordinary bait, simultaneously, bait feeding amount is suitably increased to 1.2 times of feeding volume at ordinary times, and keeps culturing area quiet during this period.
After soft-shelled turtle enters hibernation period; isolation strip is built in culturing pool region; people and animals are not allowed often to walk about at cultivation pool side; in order to avoid make soft-shelled turtle be subject to external scaring; affect the normal hibernation of soft-shelled turtle; reviving later soft-shelled turtle usually all can resting stage for some time, keeps illumination to can normal activity.
In the breeding process of the present embodiment, carry out a prevention from suffering from the diseases inspection each moon, saline solution, chlorine dioxide, BCDMH is utilized to carry out water body disinfection, disinfect rear regulating water quality, and with bromine chlorine solvent, wiping being carried out to soft-shelled turtle body surface, the residual bait that every day is not eaten up in feeding process is removed in time, and eats platform with the cleaning of food-grade thimerosal, and at different times, density adjustment process is carried out to the soft-shelled turtle in culturing pool, adjustment standard is: be 10 Zhi/㎡ during 2 50 ~ 100g in age; 5 Zhi/㎡ during 3 100 ~ 200g in age; 3 Zhi/㎡ during 4 400 ~ 500g in age; 2 Zhi/㎡ during 5 more than 600g in age, and in 4 ages and 5 age grade sections, in each culturing pool, the ratio of male and female soft-shelled turtle controls as 3:1
The soft-shelled turtle after ripening in 2 years of the cultural method cultivation of the present embodiment, survival rate is 93%, single tail average weight is 2.98 jin, and the heaviest single tail soft-shelled turtle is 3.5 jin, and during culinary art, mouthfeel and nutrition are close to wild soft-shelled turtle.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1., in a method for lake region, fresh water lake cultivation soft-shelled turtle, it is characterized in that, specifically comprise following operating procedure:
1. pollution-free or oligosaprobic heavy carbonic salt calcium group fresh water lake is chosen as culture zone, limpid in coastal waters water quality, that illumination is thorough region is selected to build multiple culturing pool by laying bricks or stones, culturing pool is brick mix structure, single swimming pool area 20 ㎡ ~ 30 ㎡, dark 1.5 ~ the 2m in pond, be two stage structures in pond, on it, the difference in height on rank and lower rank is 1.0 ~ 1.3m, upper rank are provided with and have the groove that a degree of depth is 0.2 ~ 0.4m, size is consistent with upper rank, in addition, a slope has also been built by laying bricks or stones, in the oblique angle of 20 ° ~ 30 ° at the bottom of this slope and pond between upper rank and lower rank;
2. by puzzle culturing pool cleaning, sterilization, and draw lake water soaking pit 1 ~ 2 month, then lake water put dry, and again clean, sterilize, after sterilize, culturing pool is rinsed well, and fill up in the groove of upper rank totally, the fine sand that disinfects is for subsequent use;
3. after phreatic water being mixed with the ratio of lake water 1:2 ~ 1:3 by water body total hardness and total alkalinity and chloride, sulphate, silicate, ammoniacal nitrogen norm controlling within fishery water standard, then diversion is carried out to culturing pool, first soft-shelled turtle seedling supports in the shallow water position of maintenance 4 ~ 6cm, increase with individuality later and add deep water level but more than 0.8m, water temperature 26 DEG C ~ 32 DEG C in this process, should do not controlled; Then choose healthy soft-shelled turtle fry, in the same solution of 1mg/L, soak 30min after utilizing the copper sulphate of 2 ㎎/L or liquor potassic permanganate to carry out body surface wiping to fry, then throw in fry according to the standard of 10 ~ 15 Zhi/㎡ to culturing pool;
4. the spiral shell utilizing the fresh water lake adjoined to originate in, freshwater mussel prepare bait as main material, spiral shell and the freshwater mussel same day or the previous day of carrying salvage, the spiral shell of salvaging, freshwater mussel are carried out broken shell process respectively, and gone by spiral shell meat intestines and freshwater mussel meat together to carry out sorting, clean, then in spiral shell meat and/or freshwater mussel meat: egg: allicin: gall nut: the ratio interpolation egg of Rhubarb Powder=50:10:1:2:1, allicin, gall nut, Rhubarb Powder are mixed with daily bait; In addition, in daily bait respectively add account for total food quality 0.01% ~ 0.05% proline, 0.01% ~ 0.05% hydroxyamino, the serine of 0.01% ~ 0.05%, the citrulling of 0.05 ~ 0.1% and 0.3% ~ 0.5% wheat bran, corn flour and 0.1 ~ 0.3% terramycin be egg-laying period and hibernation early-stage fodder;
5. above-mentioned bait is utilized to throw something and feed to the soft-shelled turtle in culturing pool: May ~ every day early October throws something and feeds 2 ~ 3 times, the Feeding time of twice of throwing something and feeding is 8 of every day and 16 points, the Feeding time of three times of throwing something and feeding is every day 8 points, 12 and 18 points, day feeding volume is 5% ~ 7% of soft-shelled turtle body weight, and other times section is thrown something and fed once every day, Feeding time is 8 points of every day, day feeding volume be 3% ~ 5% of soft-shelled turtle body weight; Annual early November start to Second Year May be the hibernation period of soft-shelled turtle, do not need feeding;
6. after soft-shelled turtle enters hibernation period; isolation strip is built in culturing pool region; people and animals are not allowed often to walk about at cultivation pool side; in order to avoid make soft-shelled turtle be subject to external scaring; affect the normal hibernation of soft-shelled turtle; reviving later soft-shelled turtle usually all can resting stage for some time, keeps illumination to can normal activity.
2. a kind of method lake region, fresh water lake cultivation soft-shelled turtle according to claim 1, it is characterized in that, Ti Neixia rank, described culturing pool pond are provided with the triangular cone table that some fixing bamboo chips are made into, the height of this tripod frustum is 0.8 ~ 1m, to facilitate soft-shelled turtle activity and probe.
3. a kind of method lake region, fresh water lake cultivation soft-shelled turtle according to claim 1, it is characterized in that, Ti Neishang rank, described culturing pool pond are provided with some fixing feeding dishes, and the residual bait do not eaten up in feeding process should be removed in time, and eats platform with thimerosal cleaning.
4. a kind of method lake region, fresh water lake cultivation soft-shelled turtle according to claim 3, it is characterized in that, regularly utilized saline solution, chlorine dioxide, BCDMH to carry out water body disinfection every 30 days to culturing pool, disinfect rear regulating water quality, and with bromine chlorine solvent, wiping is carried out to soft-shelled turtle body surface.
5. a kind of method lake region, fresh water lake cultivation soft-shelled turtle according to claim 1, it is characterized in that, culturing pool keeps the speed flowing water supply of 0.5m/s ~ 1m/s.
6. a kind of method lake region, fresh water lake cultivation soft-shelled turtle according to claim 1, it is characterized in that, soft-shelled turtle starts for before hibernation and before laying eggs 15 days, and the feeding volume of bait is suitably increased to 1.2 ~ 1.5 times of feeding volume at ordinary times, and keeps culturing area quiet during this period.
7. according to the method for any one described in claim 1 ~ 6 lake region, fresh water lake cultivation soft-shelled turtle, it is characterized in that, carrying out density adjustment process at different times to the soft-shelled turtle in culturing pool, is 10 ~ 15 Zhi/㎡ during 2 50 ~ 100g in age; 5 ~ 8 Zhi/㎡ during 3 100 ~ 200g in age; 3 ~ 5 Zhi/㎡ during 4 400 ~ 500g in age; 1 ~ 3 Zhi/㎡ during 5 more than 600g in age, and in 4 ages and 5 age grade sections, in each culturing pool, the ratio of male and female soft-shelled turtle should control as 5:2 ~ 3:1.
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| CN110754427A (en) * | 2019-12-05 | 2020-02-07 | 合肥金巢生态农业有限公司 | Method for cultivating native soft-shelled turtles in lake region |
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