CN106063469A - A kind of onychostoma simus offspring seed cultivation method - Google Patents
A kind of onychostoma simus offspring seed cultivation method Download PDFInfo
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- 241001505010 Onychostoma Species 0.000 title claims abstract description 55
- 238000012364 cultivation method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000003860 storage Methods 0.000 claims abstract description 17
- 241000736919 Pelodiscus sinensis Species 0.000 claims abstract description 16
- 230000003203 everyday effect Effects 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 235000021401 pellet diet Nutrition 0.000 claims abstract description 11
- 238000009395 breeding Methods 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 241000251468 Actinopterygii Species 0.000 claims description 18
- 210000002969 egg yolk Anatomy 0.000 claims description 17
- 238000011049 filling Methods 0.000 claims description 11
- 241000894006 Bacteria Species 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 102000002322 Egg Proteins Human genes 0.000 claims description 6
- 108010000912 Egg Proteins Proteins 0.000 claims description 6
- 244000068988 Glycine max Species 0.000 claims description 6
- 235000010469 Glycine max Nutrition 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 6
- 235000013345 egg yolk Nutrition 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000008267 milk Substances 0.000 claims description 6
- 235000013336 milk Nutrition 0.000 claims description 6
- 210000004080 milk Anatomy 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- 230000001488 breeding effect Effects 0.000 claims description 5
- 239000003337 fertilizer Substances 0.000 claims description 5
- 244000063299 Bacillus subtilis Species 0.000 claims description 4
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 4
- 241000700141 Rotifera Species 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 230000018109 developmental process Effects 0.000 claims description 4
- 235000013305 food Nutrition 0.000 claims description 4
- 210000001325 yolk sac Anatomy 0.000 claims description 4
- 208000030453 Drug-Related Side Effects and Adverse reaction Diseases 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 claims description 3
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 3
- 206010070863 Toxicity to various agents Diseases 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 150000004676 glycans Chemical class 0.000 claims description 3
- 150000002333 glycines Chemical class 0.000 claims description 3
- 230000012447 hatching Effects 0.000 claims description 3
- 229960001438 immunostimulant agent Drugs 0.000 claims description 3
- 239000003022 immunostimulating agent Substances 0.000 claims description 3
- 230000003308 immunostimulating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 210000004379 membrane Anatomy 0.000 claims description 3
- 210000004681 ovum Anatomy 0.000 claims description 3
- 230000000243 photosynthetic effect Effects 0.000 claims description 3
- 238000011020 pilot scale process Methods 0.000 claims description 3
- 229920001282 polysaccharide Polymers 0.000 claims description 3
- 239000005017 polysaccharide Substances 0.000 claims description 3
- 210000000582 semen Anatomy 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 210000005253 yeast cell Anatomy 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims 1
- 238000011068 loading method Methods 0.000 claims 1
- 244000005700 microbiome Species 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 230000000384 rearing effect Effects 0.000 description 10
- 230000004083 survival effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 235000019750 Crude protein Nutrition 0.000 description 4
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 4
- 239000004472 Lysine Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 235000019784 crude fat Nutrition 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 241001247197 Cephalocarida Species 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 229960001952 metrifonate Drugs 0.000 description 2
- NFACJZMKEDPNKN-UHFFFAOYSA-N trichlorfon Chemical compound COP(=O)(OC)C(O)C(Cl)(Cl)Cl NFACJZMKEDPNKN-UHFFFAOYSA-N 0.000 description 2
- 206010002368 Anger Diseases 0.000 description 1
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 241000252210 Cyprinidae Species 0.000 description 1
- 241000252206 Cypriniformes Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 241000376029 Tachysurus fulvidraco Species 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 210000003969 blast cell Anatomy 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 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
-
- 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)
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A kind of onychostoma simus offspring seed cultivation method, breeding method is: onychostoma simus development of fertilized ova membrane, trip can be put down after, first support temporarily at storage pond, holding pond, domestication within 3rd day, is started after cultivating pond under fry, Trionyx sinensis Wiegmann powder is added water and is kneaded into cake and is put in bait table, within 6th day, it is kneaded into cake with Trionyx sinensis Wiegmann powder to be put in bait table feeding tame adding water in the ratio of quality 80:20 after broken for mixed feed, every day is gradually increased mixed feed, ingest completely mixed feed to the 11st day onychostoma simus Seedling, floating pellet diet of throwing something and feeding completely after the 25th day.
Description
Technical field
The present invention relates to aquatic products field.
Technical background
Onychostoma simus (Onychostoma et days abry of sima Sauvage), the local white first of name, prominent kiss fish, Mao Baijia,
It is subordinate to Cypriniformes, Cyprinidae, subfamily, onychostoma simus genus.It is distributed in dry, the tributary of Upper Yangtze River, likes at torrent underlying activities.In vain
Trionyx sinensis Wiegmann fine and tender taste, meat flavour is delicious, and fat content is high, and growth is fast, and maximum individual weight, up to 3.5kg, is that one has economy to open very much
The famous-brand and high-quality Fish of value of making an offer.Suffer the reasons such as destruction and overfishing due to rivers ecological environment, onychostoma simus resource drastically declines,
My unit is Hubei Province's provincial onychostoma simus seed farm, starts from 2010 to study onychostoma simus artificial propagation, seed rearing,
Artificial propagation techniques is broken through at present.But owing to its technique of fry rearing is the most immature, seed can not scale be supplied, and limits
The development of its aquaculture, thus it is imperative to carry out technique of fry rearing research.For inquiring into onychostoma simus fry rearing skill further
Art, we have carried out fry rearing research in 2015 5～July, to preferably solving onychostoma simus offspring seed cultivation method, and then
For laying a good foundation for large-scale production onychostoma simus seed and adult fish culture.
Summary of the invention
The purpose of the present invention is aiming at the deficiency that prior art is above-mentioned, and provides a kind of onychostoma simus offspring seed cultivation method,
Breeding method is:
1, onychostoma simus fry source
Onychostoma simus fry derives from the onychostoma simus parent fish of cultivation through artificial induced spawning, hatching gained；
2, pond condition is cultivated
Cultivate pool area and be 580-620m2, long 28-32m, wide 18-22m, pool wall cement bank protection, smooth at the bottom of pond, mud is deep
10～15cm, pond deep 1.3-1.7 rice；Water source is that water quality is good, dissolved oxygen abundant, free of contamination Geheyan Project reservoir area river；
3, preparation before the pool under fry
Cultivate pond and putting onychostoma simus yolk Seedling in a suitable place to breed first 15 days, remove and cultivate pond periphery weeds, with 750～1125kg/hm2Quick lime
Full pool spilling head, tans by the sun 4-6 days, and then water filling 45-55cm is deep, and breeding water is that water quality is good, dissolved oxygen abundant, the free of contamination Qingjian River
Every He Yan reservoir area river, 80 mesh sieve thin,tough silk are set at water inlet and filter, in case wild fishes and fish roe enter, organic by become thoroughly decomposed
The fertile woven bag that loads is deposited in four corners cultivating pond, for rich water, does soybean soaking 10 more than h with 3～5kg every day, mill
Bean milk full pool spilling head, one day 2 times, the upper and lower noon is each once, to cultivate plankton, it is ensured that under fry, pond can obtain enough
Agreeable to the taste natural bait, cultivates pond transparency and need to be maintained at 25cm～30cm, and wheel animalcule density is 5000/L～10000/L, greatly
Killing with 90% trichlorphon when type cladocera is too much, Drug level is 0.2mg/L～0.3mg/L；
Cultivating pond and be respectively mounted microporous pipe aeration oxygen increasing equipment, master device is 0.5kW roots blower, and Φ 50PVC manages, and microporous pipe is installed
For bar formula, uniformly place aeration plate 3～5 in every mouthful of cultivation bottom flat region, pond.
4, support temporarily alevin stage
Onychostoma simus development of fertilized ova membrane, trip can be put down after, first support temporarily at storage pond, holding pond, storage pond, holding pond is rectangle cement pit knot
Structure, area 11-13m2, long 3-5m, wide 2-4m, the storage pond, holding pond depth of water 0.8～1.0m, water is that water quality is good, dissolved oxygen abundant, pollution-free
Geheyan Project reservoir area river, water inlet arranges 80 mesh sieve thin,tough silk and filters, storage pond, holding pond keep miniflow water, in the pond in arrangement specification
There is the yolk Seedling net cage of 2m × 1m × 0.5m, inside set shower nozzle oxygen supplement, egg yolk is thrown something and fed after 60 mesh silk cover filterings, through 7 days～10
It is supported temporarily, and onychostoma simus fry total length reaches 0.8cm, and yolk sac disappears, inflates, it is possible to puts down trip and actively ingests, i.e. preparation turn
Enter to cultivate pond to cultivate；
5, cultivate pond examination to support
Put in a suitable place to breed first 1 day, put into 50 tails～100 tail live fish Seedlings to be arranged at and cultivate the yolk Seedling net cage pilot scale in pond and support, through 12～
24h observes the state of fish, checks whether water drug toxicity disappears；
6, fry is put in a suitable place to breed
Fill Geheyan Project reservoir area river before cultivating pond under fry and put 50,000 tails in a suitable place to breed to depth of water 50cm～60cm, every mouthful of cultivation pond,
Put Seedling to select to carry out between the lights, put the water temperature temperature difference in storage pond, holding pond to be ensured and cultivation pond during Seedling and be less than 1 DEG C, after putting in a suitable place to breed, open
Micro-pore oxygenation equipment, 24h oxygen supplement；
7, fry acclimatization culture
After cultivating pond under fry, splashing with 3～5kg Semen Glycines soybean milk, one day 2 times, the upper and lower noon is each once, splashes continuously 5 days, makes water
Body keeps certain fertilizer degree, to promote that plankton bait is bred, throw something and feed every day 2 egg yolk 2/100,000 tails and Trionyx sinensis Wiegmann powder simultaneously
Material 1,00g,/10 ten thousand tail, cultivates under fry and within the 3rd day, starts domestication behind pond, and being added water by Trionyx sinensis Wiegmann powder is kneaded into cake and is put in bait table, lures
Onychostoma simus Seedling is ingested, and within the 6th day, is kneaded into cake by adding water in the ratio of quality 80:20 with Trionyx sinensis Wiegmann powder after broken for mixed feed and is put in
Bait table feeding is tamed, and throws something and feeds every day 6 times, respectively 6:00,9:00,12:00,15:00,18:00,21:00, bait feeding amount
Eating up with fry 0.5h～1.0h and be as the criterion, mixed feed contains crude protein 42.00%, lysine 2.30%, crude fat
3.00%, crude fibre≤5.0%, coarse ash≤17.00%, total phosphorus 1.10%, moisture≤10.00%), before throwing something and feeding with wooden dipper or other
Utensil beats animal feeds bucket or basin 5min～10min, allows fry Production conditions reflect, is gradually increased mixed feed every day, gradually subtracts
Few Trionyx sinensis Wiegmann powder, ingests mixed feed completely to the 11st day onychostoma simus Seedling, is now thrown by mixed feed on bait table slowly
Throw something and feed and tame, each bait throwing in domestication time 30min, to the 20th day onychostoma simus Seedling can the most on the water layer rob that food throws something and feeds broken
During broken mixed feed, in mixed feed, every day is gradually increased admixture particle diameter 0.9-1.1mm floating pellet diet, and buoyancy granule is raised
Material containing crude protein 35.00%, lysine 1.95%, crude fat 3.23%, crude fibre≤5.0%, coarse ash≤17.00%, always
Phosphorus 1.10%, moisture≤10.00% is thrown something and fed, and floating pellet diet of throwing something and feeding completely after the 25th day, the most every 10 days in buoyancy
Grain feedstuff adds immunostimulant yeast cell wall polysaccharide 2000/or bacillus subtilis 2000/throw something and feed；
8, water quality management
Cultivate and cultivate 1 new Geheyan Project reservoir area river of pond filling in every 3 days～5 days in early days, filling 10cm～15cm every time,
Until water level reaches 1.2m～1.5m, the Geheyan Project reservoir area river that every 7 days of later stage～10 days filling is the newest, each 15cm
～20cm, to cultivate water and be deeply maintained at 1.2m～1.5m, pond water dissolved oxygen is maintained at more than 5mg/L, within every 10 days, uses the most micro-
Biological preparation such as EM bacterium ((1～2) kg bacterium solution/667m3Water body), photosynthetic bacteria (2.1 hundred million/more than mL of strain concentration, (100
～150) mL/m3Water body).
The invention have the advantages that to adopt this method and can improve survival rate of fish fry, this test seed average survival reaches
91.3%。
Detailed description of the invention
A kind of onychostoma simus offspring seed cultivation method, it is characterised in that breeding method is:
1, onychostoma simus fry source
Onychostoma simus fry derives from the onychostoma simus parent fish of cultivation through artificial induced spawning, hatching gained；
2, pond condition is cultivated
Cultivate pool area for 3 and be 600m2, long 30m, wide 20m, pool wall cement bank protection, smooth at the bottom of pond, the deep 13cm of mud, pond
Deep 1.5 meters；Water source is that water quality is good, dissolved oxygen abundant, free of contamination Geheyan Project reservoir area river；
3, preparation before the pool under fry
Cultivate pond and putting onychostoma simus yolk Seedling in a suitable place to breed first 15 days, remove and cultivate pond periphery weeds, use 1000kg/hm2The full pond of quick lime
Splashing, tan by the sun 5 days, then water filling 45-55cm is deep, and breeding water is that water quality is good, dissolved oxygen abundant, free of contamination Geheyan Project
Reservoir area river, arranges 80 mesh sieve thin,tough silk at water inlet and filters, in case wild fishes and fish roe enter, is loaded by the fertilizer become thoroughly decomposed
Woven bag is deposited in four corners cultivating pond, for rich water, does soybean soaking 10 more than h with 4kg every day, grinds the full pond of bean milk
Splashing, one day 2 times, the upper and lower noon is each the most once, to cultivate plankton, it is ensured that under fry, pond can obtain enough agreeable to the taste natural
Bait, cultivates pond transparency and need to be maintained at 25cm～30cm, and wheel animalcule density is 5000/L～10000/L, large-scale cladocera
Killing with 90% trichlorphon time too much, Drug level is 0.2mg/L～0.3mg/L；
Cultivating pond and be respectively mounted microporous pipe aeration oxygen increasing equipment, master device is 0.5kW roots blower, and Φ 50PVC manages, and microporous pipe is installed
For bar formula, uniformly place aeration plate 3～5 in every mouthful of cultivation bottom flat region, pond.
4, support temporarily alevin stage
Onychostoma simus development of fertilized ova membrane, trip can be put down after, first support temporarily at storage pond, holding pond, storage pond, holding pond is rectangle cement pit knot
Structure, area 11-13m2, long 3-5m, wide 2-4m, the storage pond, holding pond depth of water 0.8～1.0m, water is that water quality is good, dissolved oxygen abundant, pollution-free
Geheyan Project reservoir area river, water inlet arranges 80 mesh sieve thin,tough silk and filters, storage pond, holding pond keep miniflow water, in the pond in arrangement specification
There is the yolk Seedling net cage of 2m × 1m × 0.5m, inside set shower nozzle oxygen supplement, egg yolk is thrown something and fed after 60 mesh silk cover filterings, through 7 days～10
It is supported temporarily, and onychostoma simus fry total length reaches 0.8cm, and yolk sac disappears, inflates, it is possible to puts down trip and actively ingests, i.e. preparation turn
Enter to cultivate pond to cultivate；
5, cultivate pond examination to support
Put in a suitable place to breed first 1 day, put into 50 tails～100 tail live fish Seedlings to be arranged at and cultivate the yolk Seedling net cage pilot scale in pond and support, through 12～
24h observes the state of fish, checks whether water drug toxicity disappears；
6, fry is put in a suitable place to breed
Fill Geheyan Project reservoir area river before cultivating pond under fry and put 50,000 tails in a suitable place to breed to depth of water 50cm～60cm, every mouthful of cultivation pond,
Put Seedling to select to carry out between the lights, put the water temperature temperature difference in storage pond, holding pond to be ensured and cultivation pond during Seedling and be less than 1 DEG C, after putting in a suitable place to breed, open
Micro-pore oxygenation equipment, 24h oxygen supplement；
7, fry acclimatization culture
After cultivating pond under fry, splashing with 3～5kg Semen Glycines soybean milk, one day 2 times, the upper and lower noon is each once, splashes continuously 5 days, makes water
Body keeps certain fertilizer degree, to promote that plankton bait is bred, throw something and feed every day 2 egg yolk 2/100,000 tails and Trionyx sinensis Wiegmann powder simultaneously
Material 1,00g,/10 ten thousand tail, cultivates under fry and within the 3rd day, starts domestication behind pond, and being added water by Trionyx sinensis Wiegmann powder is kneaded into cake and is put in bait table, lures
Onychostoma simus Seedling is ingested, and within the 6th day, with mixed feed, (the Pelteobagrus fulvidraco swelling granular cooperation that Tianmen Tong Wei feed corporation,Ltd produces is raised
Material, wherein crude protein 42.00%, lysine 2.30%, crude fat 3.00%, crude fibre≤5.0%, coarse ash≤
17.00%, total phosphorus 1.10%, moisture≤10.00%) feeding domestication, mixed feed is crushed afterwards and Trionyx sinensis Wiegmann powder is by quality 80:
The ratio of 20 adds water and is kneaded into cake and is put in bait table, throws something and feeds every day 6 times, respectively 6:00,9:00,12:00,15:00,18:00,
21:00, bait feeding amount is eaten up with fry 0.5h～1.0h and is as the criterion, and beats animal feeds bucket or basin with wooden dipper or other utensil before throwing something and feeding
5min～10min, allows fry Production conditions reflect, is gradually increased mixed feed every day, gradually decrease Trionyx sinensis Wiegmann powder, to the 11st
It onychostoma simus Seedling is ingested mixed feed completely, now throws slowly to throw something and feed on bait table by mixed feed and tames, every time
Bait throwing in domestication time 30min, to the 20th day onychostoma simus Seedling can layer robs the broken mixed feed that food is thrown something and fed the most on the water time, joining
Close and be gradually increased admixture particle diameter 1.0mm every day in feedstuff, protein content be 35% floating pellet diet (floating pellet diet
Extraordinary fish series No. 8 feedstuffs, wherein crude protein 35.00% produced for " Tianmen Tong Wei feed corporation,Ltd ", lysine
1.95%, crude fat 3.23%, crude fibre≤5.0%, coarse ash≤17.00%, total phosphorus 1.10%, moisture≤10.00%) throw
Hello, floating pellet diet of throwing something and feeding completely after the 25th day, adds immunostimulant ferment in the most every 10 days in floating pellet diet
Blast cell wall polysaccharide 2000/(containing mannooligo saccharide 20.00%, β-glucose 20-30%, moisture≤8.00%, dissolution rate
45.00%, total lead (mg/kg in terms of Pb)≤5.00%, total arsenic (in terms of As)≤2.00%) or bacillus subtilis 2000/
(containing bacillus subtilis spore sum 20,000,000,000/gram, moisture≤8.00%, total lead (mg/kg in terms of Pb)≤40.00%, always
Arsenic (in terms of As)≤10.00%) throw something and feed, to improve fry body constitution, strengthen resistance against diseases；
8, water quality management
Cultivate 1 new Geheyan Project reservoir area river of filling in every 3 days～5 days in early days, fill 10cm～15cm every time, until water
Position reaches 1.2m～1.5m, the newest Geheyan Project reservoir area river of every 7 days of later stage～10 days filling, each 15cm～
20cm, cultivates water and is deeply maintained at 1.2m～1.5m, and pond water dissolved oxygen is maintained at more than 5mg/L, within every 10 days, uses the most micro-life
Thing preparation such as EM bacterium ((1～2) kg bacterium solution/667m3Water body), photosynthetic bacteria (2.1 hundred million/more than mL of strain concentration, (100～
150)mL/m3Water body).
Result of the test is shown in Table 1
Table 1 result of the test
Onychostoma simus fry was through the cultivation of 60 days, and 1,2, No. 3 survival rates of test tank are respectively 91.5%, 92.4%, 91.8%, averagely become
Motility rate 91.9%, average feed coefficient is 1.45.
Test Summary
1. yolk Seedling is first placed on storage pond, holding pond and cultivates 7 days～10 days by this test, treat yolk sac disappear, inflation, it is possible to flat trip and
Proceed to cultivate pond after actively ingesting cultivate, adopt this method and can improve survival rate of fish fry, this test seed average survival
Reach 91.3%.
2. the open-mouthed bait of onychostoma simus seed rearing is based on wheel animalcule, can be ingested Trionyx sinensis Wiegmann powder by the cultivations of 3 days, at this
On the basis of can be ingested artifical compound feed by the domestication of 6 days, can be ingested particle diameter by the domestication of 8 days～10 days on this basis
The floating pellet diet of≤1mm.Cake must be kneaded into when turning food domestication with artificial compound feed and be put in bait table, no
Then fry cannot ingest particulate material and the powder floating on the water surface, causes feed waste and water pollution.When taming with buoyancy feedstuff
Particle diameter must be selected to be less than or equal to the buoyancy material of 1mm.Particle diameter is excessive, and fry ingests not exclusively, also can lead even if having ingested
Causing digestive tract disease, thus cause fry dead, the fry specification of cultivation is irregular, and survival rate is low.
3. onychostoma simus seed rearing is higher to the requirement of dissolved oxygen, when plankton is cultivated in fertilising, it should be noted that water quality adjustment.
This test use micro-pore oxygenation equipment can improve water body dissolved oxygen, anti-water-stop body ischaemia, make dissolved oxygen be maintained at 5mg/L with
On.
4. onychostoma simus irascible temperament, happiness jump, Xi Doushui, oxygen consumption is high, easy anoxia, draws in the net less in cultivating process as far as possible
Operation, keeps surrounding enviroment quiet.Reasonably breeding density is extremely important to growth and the survival rate of fry rearing.This test is tied
Fruit shows, cultivates fry average size and reach 7.53cm under pond condition, breeding density 50,000 tail of onychostoma simus yolk Seedling/
667cm2Left and right is the most suitable.
5. onychostoma simus seed rearing and cultivation do not have special feed at present, are shown by this result of the test, and early stage is cultivated and used
The feedstuff of protein content more than 42%, later stage cultivation and cultivation protein content more than 38% buoyancy feedstuff, cultivate fry growth relatively
Hurry up.The available protein content of suggestion 38%～42% feedstuff as the seed rearing of onychostoma simus and adult fish culture feedstuff.
Claims (3)
1. an onychostoma simus offspring seed cultivation method, it is characterised in that breeding method is:
One, onychostoma simus fry source
Onychostoma simus fry derives from the onychostoma simus parent fish of cultivation through artificial induced spawning, hatching gained；
Two, pond condition is cultivated
Cultivation pool area is 580-620m2, long 28-32m, wide 18-22m, pool wall cement bank protection, smooth at the bottom of pond, mud deep 10～
15cm, pond deep 1.3-1.7 rice；Water source is Geheyan Project reservoir area river；
Three, preparation before the pool under fry
Cultivate pond and putting onychostoma simus yolk Seedling in a suitable place to breed first 15 days, remove and cultivate pond periphery weeds, with 750～1125kg/hm2Quick lime
Full pool spilling head, tans by the sun 4-6 days, and then water filling 45-55cm is deep, and breeding water is Geheyan Project reservoir area river, sets at water inlet
Put 80 mesh sieve thin,tough silk to filter, the fertilizer become thoroughly decomposed loading woven bag be deposited in four corners cultivating pond, every day with 3～
5kg does soybean soaking 10 more than h, grinds bean milk full pool spilling head, and one day 2 times, the upper and lower noon is each once, to cultivate plankton, protects
Under card fry, pond can obtain enough agreeable to the taste natural baits, cultivates pond transparency and need to be maintained at 25cm～30cm, wheel animalcule density
It is 5000/L～10000/L；
Cultivating pond and install microporous pipe aeration oxygen increasing equipment, the aeration plate 3 of microporous pipe aeration oxygen increasing equipment～5 are uniformly placed on training
Educate bottom flat region, pond；
Four, support temporarily alevin stage
Onychostoma simus development of fertilized ova membrane, trip can be put down after, first support temporarily at storage pond, holding pond, storage pond, holding pond is rectangle cement pit knot
Structure, area 11-13m2, long 3-5m, wide 2-4m, the storage pond, holding pond depth of water 0.8～1.0m, water is that water quality is good, dissolved oxygen abundant, pollution-free
Geheyan Project reservoir area river, water inlet arranges 80 mesh sieve thin,tough silk and filters, storage pond, holding pond keep miniflow water, in the pond in arrangement specification
There is the yolk Seedling net cage of 2m × 1m × 0.5m, inside set shower nozzle oxygen supplement, egg yolk is thrown something and fed after 60 mesh silk cover filterings, through 7 days～10
It is supported temporarily, and onychostoma simus fry total length reaches 0.8cm, and yolk sac disappears, inflates, it is possible to puts down trip and actively ingests, i.e. preparation turn
Enter to cultivate pond to cultivate；
Five, cultivate pond examination to support
Put in a suitable place to breed first 1 day, 50 tails～100 tail onychostoma simus fries are put into be arranged at cultivate pond yolk Seedling net cage pilot scale support, warp
12～the 24h states observing fish, check whether water drug toxicity disappears；
Six, fry is put in a suitable place to breed
Geheyan Project reservoir area river is filled to depth of water 50cm～60cm, every mouthful of cultivation pond before cultivating pond under onychostoma simus fry fry
Put 50,000 tails in a suitable place to breed, put Seedling and select to carry out between the lights, put the water temperature temperature difference in storage pond, holding pond to be ensured and cultivation pond during Seedling and, less than 1 DEG C, put
After Yanging, open microporous pipe aeration oxygen increasing equipment, 24h oxygen supplement；
Seven, fry acclimatization culture
After cultivating pond under fry, splashing with 3～5kg Semen Glycines soybean milk, one day 2 times, the upper and lower noon is each once, splashes continuously 5 days, makes water
Body keeps certain fertilizer degree, to promote that plankton bait is bred, throw something and feed every day 2 egg yolk 2/100,000 tails and Trionyx sinensis Wiegmann powder simultaneously
Material 1,00g,/10 ten thousand tail, cultivates under fry and within the 3rd day, starts domestication behind pond, and being added water by Trionyx sinensis Wiegmann powder is kneaded into cake and is put in bait table, lures
Onychostoma simus Seedling is ingested, and within the 6th day, is kneaded into cake by adding water in the ratio of quality 80:20 with Trionyx sinensis Wiegmann powder after broken for mixed feed and is put in
Bait table feeding is tamed, and throws something and feeds every day 6 times, respectively 6:00,9:00,12:00,15:00,18:00,21:00, bait feeding amount
Eat up with fry 0.5h～1.0h and be as the criterion, before throwing something and feeding, beat animal feeds bucket or basin 5min～10min with wooden dipper or other utensil, allow fry
Production conditions reflects, and is gradually increased mixed feed every day, gradually decreases Trionyx sinensis Wiegmann powder, ingests completely to the 11st day onychostoma simus Seedling
Mixed feed, now throws slowly to throw something and feed on bait table by mixed feed and tames, can be a large amount of to the 20th day onychostoma simus Seedling
On the water layer rob food throw something and feed broken mixed feed time, in mixed feed every day be gradually increased admixture particle diameter 0.9-1.1mm float
Property pellet is thrown something and fed, floating pellet diet of throwing something and feeding completely after the 25th day.
2. onychostoma simus offspring seed cultivation method, it is characterised in that: after floating pellet diet of throwing something and feeding completely after the 25th day, every 10 days
Floating pellet diet adds immunostimulant yeast cell wall polysaccharide 2000/or bacillus subtilis 2000/throwing
Hello.
3. onychostoma simus offspring seed cultivation method, it is characterised in that: cultivate cultivate in early days 1 new Qingjian River of filling in every 3 days～5 days, pond every
He Yan reservoir area river, every time filling 10cm～15cm, until water level reaches 1.2m～1.5m, every 7 days of later stage～10 days filling one
Secondary new Geheyan Project reservoir area river, each 15cm～20cm, cultivates water and is deeply maintained at 1.2m～1.5m, pond water dissolved oxygen
It is maintained at more than 5mg/L, within every 10 days, uses a microorganism formulation EM bacterium 1～2kg bacterium solution/667m3Water body, photosynthetic bacteria 100
～150mL/m3Water body, 2.1 hundred million/more than mL of strain concentration.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112616729A (en) * | 2020-12-30 | 2021-04-09 | 铜仁市渔业技术推广站 | Artificial propagation method of small-mouth white soft-shelled turtles |
| CN112616730A (en) * | 2020-12-30 | 2021-04-09 | 铜仁市渔业技术推广站 | Method for cultivating small-mouth white soft-shelled turtle seedlings |
| CN115039725A (en) * | 2022-07-05 | 2022-09-13 | 广东海洋大学 | Pond ecological breeding method for eleutheronema tetradactylum |
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