CN112616730A - Method for cultivating small-mouth white soft-shelled turtle seedlings - Google Patents
Method for cultivating small-mouth white soft-shelled turtle seedlings Download PDFInfo
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- CN112616730A CN112616730A CN202011600430.9A CN202011600430A CN112616730A CN 112616730 A CN112616730 A CN 112616730A CN 202011600430 A CN202011600430 A CN 202011600430A CN 112616730 A CN112616730 A CN 112616730A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 241001482311 Trionychidae Species 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 241000338116 Amyda Species 0.000 claims abstract description 16
- 241000251468 Actinopterygii Species 0.000 claims abstract description 10
- 235000019738 Limestone Nutrition 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims abstract description 4
- 238000005286 illumination Methods 0.000 claims abstract description 4
- 239000006028 limestone Substances 0.000 claims abstract description 4
- 239000008267 milk Substances 0.000 claims description 12
- 235000013336 milk Nutrition 0.000 claims description 12
- 210000004080 milk Anatomy 0.000 claims description 12
- 235000010469 Glycine max Nutrition 0.000 claims description 9
- 244000068988 Glycine max Species 0.000 claims description 9
- 230000003203 everyday effect Effects 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000006213 oxygenation reaction Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 235000012054 meals Nutrition 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 241000700141 Rotifera Species 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000002354 daily effect Effects 0.000 claims description 3
- 235000013345 egg yolk Nutrition 0.000 claims description 3
- 210000002969 egg yolk Anatomy 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 230000004083 survival effect Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 3
- 229920000832 Cutin Polymers 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention discloses a method for cultivating small-mouth white soft-shelled turtle fries, which comprises the following steps: s1, cleaning the culture pond: the pond is a rectangular running water cement pond with the area of 5-6m2The depth is 1m, after the pond is cleaned, the pond is splashed with limestone, and the pond is aired for 5 to 6 days; s2, injecting water; s3, fry throwing: fry are thrown in the morning or evening without direct illumination, the temperature difference of the thrown water is lower than or equal to 2 ℃, the throwing density is 200-2(ii) a S4, feeding the fry; s5, daily care: the pond needs to keep continuous running water, the water changing amount is 7-10cm/d, 40-50% of new water is added every 7 days, water is injected for 5-6 times in stages, and pollution discharge is carried out every 2 days. The method for cultivating the small-mouth Amyda sinensis seedlings can improve the survival rate and yield of the fish seedlings.
Description
Technical Field
The invention relates to the technical field of small-mouth white soft-shelled turtle cultivation, in particular to a method for cultivating small-mouth white soft-shelled turtle seedlings.
Background
The small-mouth white soft-shelled turtle is commonly called ma-yu and shan-ma-yu, and is produced in the region around Sanskun mountain of cupren city, Guizhou province. The fish body is long and flat, and is slightly fusiform. The head is short and small and is in a cone shape. The osculum is blunt and protrudes forward. The lower part of the mouth is slightly horseshoe-shaped, and the front edge of the lower collar is provided with a sharp cutin edge; there are 2 pairs of palps, the corner of mouth is longer than the palps of kiss, about half of the diameter of eye. The fin lines without branching at the tail root of the dorsal fin are hard spines, but the tail end is soft, and the rear edge is provided with sawteeth. 46-50 side line scales live at the bottom of gravel and in the section of river with rapid water flow.
The fish species are mainly distributed in a Zhujiang river system and a Yuanjiang river system, belong to large and medium-sized fresh water edible economic fish, inhabit the middle upper layer of a river, and eat algae which scrape the surface of gravel by sharp lower collar cutin edges. The small-mouth white soft-shelled turtle is tender in meat quality, rich in nutrition and popular with consumers because no muscle thorns are formed except spine thorns. At present, the fishes are caught by rivers mostly, and the market consumes a great amount of the fishes.
Disclosure of Invention
The invention aims to provide a method for cultivating small-mouth Amyda sinensis fries, which can improve the survival rate and yield of the fries.
In order to realize the aim, the invention provides a method for cultivating small-mouth Amyda sinensis seedlings, which comprises the following steps:
s1, cleaning the culture pond: the pond is a rectangular running water cement pond with the area of 5-6m2The depth is 1m, after the pond is cleaned, the pond is splashed with limestone, and the pond is aired for 5 to 6 days;
s2, water injection: the water injection depth is 75-85cm, the water quality of the cultivation pond is fresh, the transparency is 35-40cm, wherein oxygenation equipment is uniformly arranged at the bottom of the pond, the dissolved oxygen of the water is more than 6 mg/L and oxygenation is carried out for 24 hours, the pH is 6.8-8.5, and the water temperature is 20-28 ℃;
s3, fry throwing: in the morning or eveningPutting the fry without direct illumination, the temperature difference of the water is lower than or equal to 2 ℃, and the putting density is 200-2；
S4, fry feeding: feeding bait according to the fry age of the fry, and feeding for 6-8 times per day on average;
s5, daily care: the pond needs to keep continuous running water, the water changing amount is 7-10cm/d, 40-50% of new water is added every 7 days, water is injected for 5-6 times in stages, and pollution discharge is carried out every 2 days.
Preferably, the water inlet and the water outlet of the pond are both filtered by 80-mesh filter screens.
Preferably, during the cultivation period, the bottom of the pond in the bait feeding area is cleaned once a week by a siphon method, so that the water quality is kept good.
Preferably, soybean milk rich water is adopted from 3 days before the fry are put into the pond to 5 days after the fry are put into the pond, 1-2kg of soybean milk is splashed in a pond every day, and the soybean milk rich water is sprayed once in the morning and in the afternoon.
Preferably, 40-50g/10 ten thousand eel meal, 1.5-2L/10 ten thousand milk, 2/10 ten thousand egg yolks and 45-50g/10 ten thousand living organism bait rotifer are fed to the fry 3 days before the fry is put into the pond.
Preferably, the fry is put into the pond for 4 to 6 days, and the eel meal is completely fed every day.
Preferably, the fry is put into a pond for 6 to 10 days, and the auxiliary feed and the eel meal are mixed uniformly according to the mass ratio of 7:3 and then fed.
Preferably, the fry is put into the pond for 11 to 20 days, and the auxiliary feed is completely added; the mass ratio of the auxiliary feed to the granulated feed is 4:6 after the auxiliary feed is placed in the pond for 21-30 days, the particle size of the auxiliary feed is 0.3-0.5mm, and the particle size of the granulated feed is 1.0-1.2 mm.
Preferably, the fry is completely fed with the pellet feed 31 days after being put into the pond.
Preferably, before each feeding, the inner wall of the pond is knocked by an appliance at a fixed position, and then the feed is fed.
Therefore, the method for cultivating the small-mouth Amyda sinensis fries can improve the survival rate and yield of the fries.
The technical solution of the present invention is further described in detail by the following examples.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
A method for cultivating small-mouth Amyda sinensis seedlings comprises the following steps:
s1, cleaning the culture pond: the pond is a rectangular running water cement pond with the area of 5-6m2The depth is 1m, after the pond is cleaned, the pond is splashed with limestone, and the pond is aired for 5 to 6 days;
s2, water injection: the water injection depth is 75-85cm, the water quality of the cultivation pond is fresh, the transparency is 35-40cm, wherein oxygenation equipment is uniformly arranged at the bottom of the pond, the dissolved oxygen of the water is more than 6 mg/L and oxygenation is carried out for 24 hours, the pH is 6.8-8.5, and the water temperature is 20-28 ℃;
the water inlet and the water outlet of the pond are filtered by 80-mesh filter screens.
S3, fry throwing: fry are thrown in the morning or evening without direct illumination, the temperature difference of the thrown water is lower than or equal to 2 ℃, the throwing density is 200-2；
S4, fry feeding: feeding bait according to the fry age of the fry, and feeding for 6-8 times per day on average;
before each feeding, the inner wall of the pond is knocked by an appliance at a fixed position, and then the feed is fed.
And (3 d) before the fry are put into the pond and 5 days after the fry are put into the pond, soybean milk rich water is adopted in the period, 1-2kg of soybean milk is splashed in a pond every day, and the soybean milk rich water is sprayed once in the morning and in the afternoon.
Feeding 40-50g/10 ten thousand eel powder, 1.5-2L/10 ten thousand milk, 2/10 ten thousand egg yolks and 45-50g/10 ten thousand living body biological bait rotifer every day 3 days before the fry is put into the pond.
Feeding the fries into the pond for 4-6 days, and completely feeding eel powder every day.
And (3) putting the fries into the pond for 6-10 days, uniformly mixing the auxiliary feed and the eel meal according to the mass ratio of 7:3, and feeding.
Putting the fry into the pond for 11-20 days, and completely adding auxiliary feed; the mass ratio of the auxiliary feed to the granulated feed is 4:6 after the auxiliary feed is placed in the pond for 21-30 days, the particle size of the auxiliary feed is 0.3-0.5mm, and the particle size of the granulated feed is 1.0-1.2 mm.
And completely feeding the fish fries with the pellet feed 31 days after the fish fries are put into the pond.
S5, daily care: the pond needs to keep continuous running water, the water changing amount is 7-10cm/d, 40-50% of new water is added every 7 days, water is injected for 5-6 times in stages, and pollution discharge is carried out every 2 days.
During the cultivation period, the bottom of the pond in the bait feeding area is cleaned once a week by a siphon method, so that the water quality is kept excellent.
Test of
10000 fries are evenly distributed into 8 ponds and divided into test groups 1-8, the feeding method is shown in the following table, and other cultivation methods are the same. The specific feeding mode is as follows:
the above test groups 1-8 show that early feeding of fry is critical to the survival of fry, and that the conversion between feeds after fry are adapted to a pond also has a very important influence on the survival rate of fry.
Therefore, the method for cultivating the small-mouth Amyda sinensis fries can improve the survival rate and yield of the fries.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (10)
1. A method for cultivating small-mouth Amyda sinensis seedlings is characterized in that: the method comprises the following steps:
s1 cultivationCleaning the pool: the pond is a rectangular running water cement pond with the area of 5-6m2The depth is 1m, after the pond is cleaned, the pond is splashed with limestone, and the pond is aired for 5 to 6 days;
s2, water injection: the water injection depth is 75-85cm, the water quality of the cultivation pond is fresh, the transparency is 35-40cm, wherein oxygenation equipment is uniformly arranged at the bottom of the pond, the dissolved oxygen of the water is more than 6 mg/L and oxygenation is carried out for 24 hours, the pH is 6.8-8.5, and the water temperature is 20-28 ℃;
s3, fry throwing: fry are thrown in the morning or evening without direct illumination, the temperature difference of the thrown water is lower than or equal to 2 ℃, the throwing density is 200-2；
S4, fry feeding: feeding bait according to the fry age of the fry, and feeding for 6-8 times per day on average;
s5, daily care: the pond needs to keep continuous running water, the water changing amount is 7-10cm/d, 40-50% of new water is added every 7 days, water is injected for 5-6 times in stages, and pollution discharge is carried out every 2 days.
2. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: the water inlet and the water outlet of the pond are filtered by 80-mesh filter screens.
3. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: during the cultivation period, the bottom of the pond in the bait feeding area is cleaned once a week by a siphon method, so that the water quality is kept excellent.
4. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: and (3 d) before the fry are put into the pond and 5 days after the fry are put into the pond, soybean milk rich water is adopted in the period, 1-2kg of soybean milk is splashed in a pond every day, and the soybean milk rich water is sprayed once in the morning and in the afternoon.
5. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: feeding 40-50g/10 ten thousand eel powder, 1.5-2L/10 ten thousand milk, 2/10 ten thousand egg yolks and 45-50g/10 ten thousand living body biological bait rotifer every day 3 days before the fry is put into the pond.
6. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: feeding the fries into the pond for 4-6 days, and completely feeding eel powder every day.
7. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: and (3) putting the fries into the pond for 6-10 days, uniformly mixing the auxiliary feed and the eel meal according to the mass ratio of 7:3, and feeding.
8. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: putting the fry into the pond for 11-20 days, and completely adding auxiliary feed; the mass ratio of the auxiliary feed to the granulated feed is 4:6 after the auxiliary feed is placed in the pond for 21-30 days, the particle size of the auxiliary feed is 0.3-0.5mm, and the particle size of the granulated feed is 1.0-1.2 mm.
9. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: and completely feeding the fish fries with the pellet feed 31 days after the fish fries are put into the pond.
10. The method for cultivating small-mouth Amyda sinensis seedlings according to claim 1, wherein the method comprises the following steps: before each feeding, the inner wall of the pond is knocked by an appliance at a fixed position, and then the feed is fed.
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| CN202011600430.9A CN112616730B (en) | 2020-12-30 | 2020-12-30 | Method for cultivating small-mouth white soft-shelled turtle seedlings |
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| CN202011600430.9A CN112616730B (en) | 2020-12-30 | 2020-12-30 | Method for cultivating small-mouth white soft-shelled turtle seedlings |
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| CN112616730A true CN112616730A (en) | 2021-04-09 |
| CN112616730B CN112616730B (en) | 2022-08-23 |
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