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Macrobrachium rosenbergii feeding method

A technology for feeding Macrobrachium rosenbergii, which is applied in the field of aquaculture, can solve the problems of poor physique, long time of market standard, small body weight, etc., and achieves the effect of smooth surface of shrimp body, qualified drug residue inspection, and reduction of feed consumption.

Inactive Publication Date: 2018-01-30
上海开太鱼文化发展有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] However, in recent years, some phenomena such as poor physique, slow growth, and susceptibility to disease have appeared in the production of Macrobrachium rosenbergii. In ordinary culture, Macrobrachium rosenbergii grows slowly, has a small body weight, takes a long time to reach the commercial standard, and has low yield, which leads to economic Benefits continue to decline

Method used

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Examples

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preparation example Construction

[0046] The preparation method of the domesticated food comprises the following steps:

[0047] 1) fresh banana peels and fresh stems of Dendrobium candidum are beaten into paste;

[0048] 2) activating the yeast dry powder;

[0049] 3) According to the proportion, mix the activated yeast, the fresh banana peel made into paste, the fresh stem of Dendrobium officinale and other raw materials, and ferment under the conditions suitable for yeast fermentation to obtain domesticated food.

[0050] In step 2), the activation of the yeast dry powder is an existing technology, and conventional methods can be used for activation, such as activation with glucose water. As specifically listed in the examples of the present invention, every 450 g of dry yeast powder can be activated with 150 grams of glucose and 10 liters of pure water at 35°C.

[0051] Preferably, in step 3), the fermentation condition is: sealed fermentation at 35-38°C for 1-10 hours.

[0052] By adopting the domestic...

Embodiment

[0060] (1) Preparatory work: Disinfection of the breeding ponds and tools; preparation of the breeding water according to the conventional farming standards of Macrobrachium rosenbergii.

[0061] (2) Selection of shrimp seedlings: Select the Macrobrachium rosenbergii larvae with a size of 1.2 cm or more, good quality, virus-free and healthy as the shrimp seedlings.

[0062] (3) Shrimp seedlings are stocked: stocking shrimp seedlings at a stocking density of 100,000-150,000 / mu.

[0063] (3) Breeding temperature, salinity, oxygen control: During the breeding process, the temperature is controlled between 25-28°C. The salinity in the water is controlled at 1-3‰. The dissolved oxygen in the water is always maintained above 5 mg / l, preferably, the dissolved oxygen is controlled at 8-12 mg / L.

[0064] (4) Breeding feeding: feed in the way of uniform splashing in the whole pond. In the early stage of breeding, the total amount of bait fed is 3-5% of the total weight of pond shrimp...

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Abstract

The invention belongs to the technical field of aquaculture, and particularly relates to a macrobrachium rosenbergii feeding method. According to the method, in the macrobrachium rosenbergii breedingprocess, water daphnia is adopted as a feeding bait or one of feeding baits. With the adoption of the special feeding method provided by the invention, the feed consumption can be reduced, a natural growth state is approached, the cultured macrobrachium rosenbergii is larger in size than macrobrachium rosenbergii bred by common breeding, and the weight of each macrobrachium rosenbergii is three times or more of the weight of the macrobrachium rosenbergii bred by common breeding. A special bait and the feeding method are adopted for comprehensively increasing the yield of the macrobrachium rosenbergii; the yield of the macrobrachium rosenbergii is 1000 kg per mu or more; the quality of the macrobrachium rosenbergii is optimized; the surface of the shrimp body is smooth, and the vitality isgood; no peculiar smell exists; the medicine residue inspection is qualified; the size is neat; and the size is completely achieved.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a feeding method for Macrobrachium rosenbergii. Background technique [0002] Macrobrachium rosenbergii (Macrobrachium rosenbergii), also known as freshwater long-arm prawn and Malaysian prawn, is native to the tropical and subtropical waters of the Indian Ocean-Pacific Ocean. It is one of the largest freshwater prawns in the world. It has fast growth, large individual, It has the advantages of wide appetite, easy domestication, strong adaptability, and short production cycle. Macrobrachium rosenbergii, as a treasure among freshwater prawns, has always been loved by people. Its meat is fresh and tender, delicious and nutritious. Every 100 grams of shrimp meat contains 20.6 grams of protein, 0.7 grams of fat, and contains a variety of vitamins and trace elements necessary for the human body. It is a high-protein nutritional aquatic product. Since it was introduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A23K50/80A23K10/20A23K10/22
CPCY02A40/81
Inventor 何文辉
Owner 上海开太鱼文化发展有限公司
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