WO2023184693A1 - Procédé de promotion de maturation pour la culture de crustacés parents de mactra antiquata à l'aide d'algues de bassin de crevettes - Google Patents

Procédé de promotion de maturation pour la culture de crustacés parents de mactra antiquata à l'aide d'algues de bassin de crevettes Download PDF

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Publication number
WO2023184693A1
WO2023184693A1 PCT/CN2022/095873 CN2022095873W WO2023184693A1 WO 2023184693 A1 WO2023184693 A1 WO 2023184693A1 CN 2022095873 W CN2022095873 W CN 2022095873W WO 2023184693 A1 WO2023184693 A1 WO 2023184693A1
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Prior art keywords
water
pond
tongue
shrimp
xishi
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PCT/CN2022/095873
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English (en)
Chinese (zh)
Inventor
罗杰
王中铎
郭昱嵩
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广东海洋大学
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Publication of WO2023184693A1 publication Critical patent/WO2023184693A1/fr

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    • 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
    • A01K61/50—Culture of aquatic animals of shellfish
    • A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • 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

Definitions

  • the present invention relates to the technical field of Xi Shi tongue cultivation, and in particular to a maturation-promoting method for cultivating Xi Shi tongue oysters using shrimp pond algae.
  • Xishi tongue is a large bivalve shell that lives in shallow seas. It feeds on single-cell algae and organic debris in the water. It is commonly known as royal snail. Xishi tongue is large in size, has a high meat content, is tender and delicious, and is rich in nutrients. It is a popular and valuable edible shellfish.
  • various predatory harvesting methods such as electric trawling, rake nets, etc.
  • Shih Tzu has been increasing, and various predatory harvesting methods (such as electric trawling, rake nets, etc.) have led to a sharp decrease in production and serious damage to the resources. Therefore, it is extremely important to protect the resources of Shih Tzu.
  • Research on artificial breeding and breeding of Shih Tzu is an effective way to solve the current resource shortage.
  • Obtaining mature Shih Tzu oysters and inducing spawning to release sperm eggs is the key to artificial breeding.
  • the traditional methods of promoting ripening of Xishi tongue oysters mainly include: 1) promoting ripening by feeding artificially cultivated monocystis algae; 2) promoting ripening by regulating water temperature.
  • artificially cultivating Monocystis requires a lot of manpower and material resources, and the growth of algae is often greatly affected by the weather, so the supply of algae cannot be guaranteed.
  • the artificially cultivated Monocystis is fed with a single species, and the Shih Tzu tongue after ingestion Incomplete nutrition is not conducive to the maturation of Shih Tzu tongue gonads; and regulating water temperature requires a large amount of energy, which is not in line with the production concept of low-carbon emission reduction.
  • the present invention provides a maturation-promoting method for cultivating Xishi tongue oysters using shrimp pond algae. Under natural conditions, without regulating the water temperature, the shrimp pond algae and organic debris in the shrimp pond are used as bait for Xishi tongue. Realize the ripening effect of Xi Shi tongue oysters.
  • the present invention provides the following solutions:
  • the present invention provides a ripening promotion method for cultivating Xishi tongue oysters using shrimp pond algae, which includes the following steps:
  • Daily management is as follows: change 1/2 of the water every morning, use a water pump (2-inch water pump, flow rate: 15m 3 /hour) to add shrimp pond water to the original water depth; in the afternoon, directly extract shrimp pond water and add it to the culture pond, and Allow the pool water to continue convection; clean the sand layer on the surface regularly.
  • the stocking density of Xishi tongue oysters is 15-18 individuals/m 2 .
  • the convection time is 12-18 minutes.
  • the shrimp pond water is water in a breeding pond for raising shrimps.
  • the shrimp pond water contains green algae, diatoms, golden algae and organic debris.
  • the green algae, diatoms, golden algae and organic debris are all nutrients that are beneficial to the Shih Tzu tongue's feeding.
  • the single-celled algae growing in shrimp ponds include green algae, diatoms and golden algae. There are many types, as well as organic debris. These are high-quality biological feeds for Xishi tongue. At the same time, the growth of algae is less affected by the weather. . Therefore, when cultivating Xishi tongue broodstock, we mainly feed shrimp pond algae and organic debris, which provide comprehensive nutrition, which can promote Xishi tongue to mature quickly and release sperm eggs, and increase the amount of sperm and eggs discharged. And after a short period of intensive cultivation after the first release of sperm and eggs, the gonads of the broodstock can mature again and release sperm and eggs.
  • the method of the present invention for cultivating Xishi tongue oysters is simple to operate, the technology is easy to master, can save manpower and material resources, and at the same time reduces production costs.
  • Figure 1 is a photo of a plastic frame used for cultivating Xishi tongue oysters according to the present invention
  • Figure 2 is a photo of a culture tank for cultivating Xishi tongue oysters according to the present invention
  • Figure 3 is a rendering of a plastic frame covering the bottom of a culture tank for cultivating Xishi tongue oysters according to the present invention.
  • the cultivation location of Xishi tongue of the present invention is Houhong Village, Qindou Town, Zhanjiang City, Guangdong province.
  • the shrimp pond described in the embodiment of the present invention is specifically a shrimp breeding pond: the shrimp pond area is about 2000m 2 , the depth of the pond is 1.5-1.7m, the bottom of the pond is covered with a special film for breeding, and a 0.75kv power generator is placed at the diagonal corner of the pond.
  • Water wheel aerator The shrimp pond is thoroughly cleaned and disinfected, and seawater filtered by coarse sand is added to a depth of 1.4m, and then inorganic nutrients for cultivating algae are added.
  • the dosage is compound fertilizer 15g/m 3 and sodium silicate (Na 2 SiO 3 ) 1.3g/ m 3 , start the aerator to fully mix the pool water and nutrient salts.
  • the algae in the pond will grow after 7 to 8 days of cultivation. When the pond water reaches a certain level of transparency, 90,000 white shrimp larvae with a body length of about 1cm will be released.
  • Shrimp pond management 12 days after placing shrimp seedlings, add nutrients for algae growth.
  • the additional nutrient salt dosage is 1/3 of the initial amount.
  • both the residual food and the shrimp's excrement can be used as nutrients for algae.
  • the aerator is turned on for 2 hours at 7:00 am and 18:00 pm every day.
  • the culture tank for cultivating Xishi tongue oysters is specifically: an indoor cement tank (as shown in Figure 2), with a bottom area of 20m 2 and a depth of 1.0m.
  • the auxiliary storage specifications at the bottom of the tank are 65cm long ⁇ 45cm wide ⁇ high.
  • a 12cm plastic frame (the plastic frame is shown in Figure 1, and the rendering of the plastic basket is shown in Figure 2), so that there is a 12cm high space between the plastic frame and the bottom of the pool, which is conducive to draining the dirt in the sand.
  • the diameter of the sand grains is ⁇ 600 ⁇ 800 ⁇ m. Place 8 inflatable stones on the sand surface.
  • a vertical drainage pipe is placed around the outer water outlet. The pipe height is 0.8m. When changing the water, the pool water flows out from the vertical drainage pipe.
  • the specific selection of Xishi tongue oysters is as follows: select Xishi tongue oysters with a shell length of more than 8.0cm (2 years old), complete shells, and strong shell closing as the oysters. After the oysters are rinsed, they are placed in a cement pool for ripening. Strengthen cultivation.
  • the water used in the breeding process of Xishi tongue broodstock is the shrimp pond water in the above-mentioned white shrimp breeding pond.
  • the stocking density is 16/m 2
  • add water shrimp pond water
  • the stocking density is 18 individuals/m 2 .
  • Water is added to the culture tank (shrimp pond water) to the height of the drainage pipe 0.8m. 1/2 of the water is changed at 9:00 am every day, and a water pump (2-inch water pump) is used.
  • flow rate is 15m 3 / hour) add shrimp pond water to the original water depth; at 5:00 pm, directly pump the shrimp pond water and add it to the Xishi tongue broodstock culture pond, and let the pond water continue to convection for 15 minutes to maintain a certain degree of transparency in the pond water ; Clean the surface sand layer every 5 days, use a pipe to siphon away the dirty water, and then perform convection treatment (use a pump to extract shrimp pond water and add it to the broodstock culture pond, and allow the pond water to continue convection for 15 minutes to keep the pond water at a certain level. transparency). If dead clams are found during the breeding process, they should be picked out in time.
  • the stocking density is 15 individuals/m 2 .
  • Water is added to the culture tank (shrimp pond water) to the height of the drainage pipe 0.8m. 1/2 of the water is changed at 10:00 am every day, and a water pump (2-inch water pump) is used.
  • flow rate is 15m 3 / hour) add shrimp pond water to the original water depth; at 6:00 pm, directly pump the shrimp pond water and add it to the Xishi tongue broodstock culture pond, and let the pond water continue to convection for 15 minutes to maintain a certain degree of transparency in the pond water ; Clean the surface sand layer every 5 days, use a pipe to siphon away the dirty water, and then perform convection treatment (use a pump to extract shrimp pond water and add it to the broodstock culture pond, and allow the pond water to continue convection for 15 minutes to keep the pond water at a certain level. transparency). If dead clams are found during the breeding process, they should be picked out in time.
  • the stocking density is 17 individuals/m 2 .
  • Water is added to the culture tank (shrimp pond water) to the height of the drainage pipe 0.8m. 1/2 of the water is changed at 10:00 am every day, and a water pump (2-inch water pump) is used.
  • flow rate is 15m 3 / hour) add shrimp pond water to the original water depth; at 6:00 pm, pump the shrimp pond water and add it to the Xishi tongue broodstock culture pond, and let the pond water continue to convection for 15 minutes to maintain a certain degree of transparency in the pond water; Clean the surface sand layer every 5 days, use a pipe to siphon away the dirty water, and then perform convection treatment (use a pump to pump the shrimp pond water and add it to the broodstock culture pond, and let the pond water continue to convection for 15 minutes to keep the pond water at a certain level. transparency). If dead clams are found during the breeding process, they should be picked out in time.
  • Example 1 The only difference from Example 1 is that the cultivation water is filtered seawater, the convection water is also filtered seawater every afternoon, and artificially cultivated monocystis algae (Zhanjiang et al.) are fed at 10:00 am and 6:00 pm every day Trichophyton, Chaetoceros mouleri, Platyphyllum subcordiformis, Chlorella).
  • Example 1 The only difference from Example 1 is that the pool water is allowed to continue convection for 15 minutes every afternoon to adjust the water change to 1/2.
  • the present invention uses shrimp pond water as the culture water for Xishi tongue oysters. There is no need to feed additional feed during the cultivation process.
  • the green algae, diatoms, golden algae and organic debris in the shrimp pond water can be used as feed for Xishi tongue oysters, which is nutritious. Comprehensive, it can meet the nutritional needs of Xishi tongue oysters and improve their disease resistance.
  • the ripening speed of Xishi tongue oysters can be accelerated and their ovulation volume can be increased.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Polymers & Plastics (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Food Science & Technology (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Birds (AREA)
  • Biochemistry (AREA)
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  • Molecular Biology (AREA)
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  • Farming Of Fish And Shellfish (AREA)

Abstract

Un procédé de promotion de maturation pour la culture de crustacés parents de Mactra antiquata à l'aide d'algues de bassin de crevettes. Le procédé comprend les étapes suivantes consistant à : mettre des crustacés parents de Mactra antiquata dans un bassin de culture pour la culture de promotion de maturation, et ajouter de l'eau de bassin de crevettes dans le bassin de culture à la hauteur d'un tuyau d'évacuation d'eau ; et réaliser une gestion quotidienne, comprenant spécifiquement : chaque matin, le changement de la moitié de l'eau puis l'ajout de l'eau de bassin de crevettes jusqu'à la profondeur d'eau d'origine ; chaque après-midi, l'extraction de l'eau de bassin de crevettes, l'ajout de cette dernière au bassin de culture et la convection de l'eau de bassin pendant une certaine période de temps ; et le nettoyage régulier d'une couche de sable de surface.
PCT/CN2022/095873 2022-03-31 2022-05-30 Procédé de promotion de maturation pour la culture de crustacés parents de mactra antiquata à l'aide d'algues de bassin de crevettes WO2023184693A1 (fr)

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CN202210328927.2 2022-03-31
CN202210328927.2A CN114600806B (zh) 2022-03-31 2022-03-31 一种利用虾塘藻培育西施舌亲贝的促熟方法

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WO (1) WO2023184693A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN115053841A (zh) * 2022-07-12 2022-09-16 广东海洋大学 一种西施舌亲贝促熟方法

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CN105475185A (zh) * 2015-11-28 2016-04-13 中国海洋大学 一种岩牡蛎亲贝促熟培育及产卵的方法
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