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Culture method of triplophysa anterodorsalis fry

A breeding method and high-altitude technology, applied in the field of fish farming, can solve problems such as no public reports, and achieve the effects of reducing disease mortality, preventing bacterial diseases, and avoiding stress death

Active Publication Date: 2019-09-17
大唐观音岩水电开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Through literature search, do not see the public report identical with the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of fore fin plateau loach seed cultivation method, comprises the steps:

[0021] (1) Temporary raising of fish fry: When the water temperature is 16°C, temporarily raise 500 fish fry in a large plastic basin with a diameter of 50 cm. The water depth in the basin is 10 cm. Equipped with two 300-watt heating rods, keep the water temperature at 16°C to prevent excessive temperature difference between day and night caused by too little water in the plastic basin. The holding time is 6 days, and the fry will be opened after the yolk sac disappears to a line;

[0022] (2) Fry opening: Use the cultivated chlorella to open the fry, put the chlorella into the water and disperse it in the water, feed it twice a day, the amount of each feeding is 0.1g / L water body, change the water once 6 hours after feeding , the amount of water change is 30% of the amount of cultured water. After the first feeding, take a small amount of fry and observe under the dissecting microscope. If...

Embodiment 2

[0032] A kind of fore fin plateau loach seed cultivation method, comprises the steps:

[0033] (1) Temporary fish fry: When the water temperature is 15°C, 500 fish fry are temporarily raised in a large plastic basin with a diameter of 50cm. The water depth in the basin is 10cm. Equipped with two 300-watt heating rods, keep the water temperature at 15°C to prevent excessive temperature difference between day and night caused by too little water in the plastic basin. The holding time is 5 days, and the fry will be opened after the yolk sac disappears to a line;

[0034] (2) Fry opening: Use the cultivated chlorella to open the fry, put the chlorella into the water and disperse it in the water, feed it twice a day, the amount of each feeding is 0.1g / L water body, change the water once 6 hours after feeding , the amount of water change is 30% of the amount of cultured water. After the first feeding, take a small amount of fry and observe under the dissecting microscope. If food is...

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Abstract

The invention discloses a culture method of triplophysa anterodorsalis fry. The method comprises the following steps of (1) temporary culture of the fry, (2) opening of the fry, (3) the feeding stage of live bait, (4) the feeding stage of tubificidae, (5) the eating training stage, (6) the fry culture stage and (7) disease control. Accordingly, by means of precise control of the seven steps, manual culture of the triplophysa anterodorsalis fry is successfully achieved for the first time in China, the fry survival rate reaches 92% or above, the method is simple, and popularization is easy.

Description

technical field [0001] The invention belongs to the technical field of fish breeding, and in particular relates to a method for cultivating forefin plateau loach seedlings. Background technique [0002] The front fin plateau loach is a fish belonging to the genus Plateau Loach of the family Loachidae of Cyprinidae. The body is elongated, and the rear part gradually becomes flattened, and the height of the caudal peduncle is almost unchanged. The head is short, the front end is blunt, slightly depressed. Snout equal to or slightly longer than head behind eyes. Mouth lower, upper lip with papillae, lower lip thin, with shallow wrinkles. Mandible shovel-shaped, exposed outside the lips. With 3 pairs of whiskers. The dorsal fin is longer, the outer edge is truncated, and the unbranched fin rays are soft. Its starting point is more forward, and the distance from the tip of the snout is 0.8-0.9 times the distance from the base of the caudal fin. The pectoral fin is longer. Op...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/13
CPCA01K61/10A01K61/13Y02A40/81
Inventor 张运海吴欢欢陈文刘欣苑赵红卫胡丹晴张义旭
Owner 大唐观音岩水电开发有限公司
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