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Salmon trout cultivating and feeding method

A salmon trout and breeding pond technology is applied in the field of fish breeding and feeding, and salmon trout breeding and feeding, which can solve the problems of large consumption of water resources and difficult control of water quality conditions, so as to improve the utilization rate and improve the breeding efficiency. Benefit and reduce the cost of farming

Active Publication Date: 2018-04-24
HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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  • Claims
  • Application Information

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Problems solved by technology

The main problem of open running water aquaculture is the huge consumption of water resources. The daily water exchange volume is three to five times that of the aquaculture pond, and the water quality is not easy to control. Therefore, the development of salmon and trout aquaculture must be at the expense of water resources.

Method used

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  • Salmon trout cultivating and feeding method
  • Salmon trout cultivating and feeding method
  • Salmon trout cultivating and feeding method

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Embodiment

[0021] Embodiment: The present embodiment provides a kind of salmon trout culture and feeding method, specifically: carry out salmon trout culture in two sets of closed circulation aquaculture systems, each cover includes 24 culture ponds, and these 24 culture ponds are divided into Carry out breeding experiment for 8 groups, the specification of breeding pond is The effective water body is 1.28m 3 During the test period, put 80 salmon and trout in each breeding pond, the specification is 50g / tail, a total of 3840 tails are put into the breeding pond, and the breeding water is well water;

[0022] Breeding indicators: the pH value of the water quality for aquaculture is set to 6-7, 7-8, 8.1-8.9 three groups of gradients; L, ammonia nitrogen, nitrate, and nitrite water quality indicators are the same conditions; Feed throwing and feeding parameters: the daily feeding amount is divided into four groups, which are 0.7%, 1%, 1.5%, and 1.8% of the fish body weight; Two groups, 3...

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Abstract

The invention discloses a salmon trout cultivating and feeding method, and belongs to the technical field of aquaculture. The technical point of the invention is that the salmon trout cultivation is performed in two sets of sealed recirculating aquaculture systems, and every set comprises 24 culture ponds, and water for cultivation is well water; the cultivation index is that the temperature of water for cultivation is 15-17 DEG C, the dissolving oxygen is 7-8 / mg / L, and water quality indexes of ammonia nitrogen, nitrate, and nitrite are the same condition; the food feeding parameters: the daily feeding amount includes four groups which are 0.7%, 1%, 1.5% and 1.8% of fish weight; the daily feeding frequency is 4 times, and the feeding time is set at 6: 00, 12: 00, 18: 00 and 24: 00; the overall growth condition of the fish is tested once monthly; the survival rate and fatness of fish are calculated; water quality is monitored at fixed time and regular period; the detection position is awater returning pond. The invention is used for salmon trout cultivation.

Description

technical field [0001] The invention relates to a fish breeding and feeding method, in particular to a salmon and trout breeding and feeding method, belonging to the technical field of aquaculture. Background technique [0002] With the development of the economy and the improvement of residents' living standards, people's choice of edible fish is not only pursuing taste, but also pursuing nutrition and safety. Salmon trout not only meets people's pursuit, but also has delicious and tender meat, which is the main raw material for sashimi , the domestic consumer demand is increasingly strong, and the output is far from meeting the domestic consumer demand. The growth rate of demand is increasing every year, and the country still needs to import to make up for it. Therefore, it is necessary to develop the salmon and trout farming industry in Italy to meet the domestic supply. The key to the development of salmon and trout farming is the breed, farming technology and feed feed...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 刘红柏韩世成尹家胜卢彤岩张颖
Owner HEILONGJIANG RIVER FISHERY RES INST CHINESE ACADEMY OF FISHERIES SCI
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