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Method for breeding macrobrachium nipponense in two seasons

A freshwater shrimp and feed technology, which is applied in chemical instruments and methods, fish farming, animal feed, etc., can solve the problems of low enthusiasm for freshwater shrimp cultivation, small size of freshwater shrimp, and high cost, and achieve scientific and reasonable feeding methods, maintain Water quality, impact reduction effects

Inactive Publication Date: 2018-10-26
桂阳县上梓木水产养殖专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the many diseases, high cost and heavy pollution of freshwater shrimp farming, the enthusiasm for farming freshwater shrimp is not high, resulting in a large number of ponds being semi-deserted or empty; moreover, in artificial farming, the size of freshwater shrimp is small, the feed coefficient is large, and the breeding technology is not standardized. not resolved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Pond conditions: sufficient water source, fresh and pollution-free water, in line with NY 5051 standard, solid ridge, good anti-leakage performance, relatively flat bottom, silt ≤ 15cm; complete water inlet and drainage system, to achieve free irrigation and drainage, Convenient transportation and electric facilities;

[0023] (2) Cleaning and disinfection: Next time, the pond will be dried once a year in February-March and June-July, depending on the condition of the adult shrimps coming out of the pond, the pond ridge will be reinforced, excess silt will be removed, and the pond will be dried for more than 10 days. It is required to dry until the bottom of the pond is completely white. When adding 15-20cm of water to clear the pond, sprinkle 50kg of quicklime per mu into the whole pond to completely kill and remove harmful organisms and pathogenic bacteria;

[0024] (3) Planting aquatic plants: plant aquatic plants after 7-10 days of disinfection in clear ponds. T...

Embodiment 2

[0034] Embodiment 2 is a further implementation, and the difference from Example 1 is that the present embodiment provides detailed pond conditions: the pond is a rectangle from east to west, the soil is loam or clay, the depth of the pond is 1.2-1.5m, and the aspect ratio 3-4:1, the ridge slope ratio in the pond is 1:3-4, the area is 3-7 mu, the inlet and outlet are equipped with a filter block made of 60-80 mu mesh, and each pond is equipped with a 1.5-3KW waterwheel 1 aerator.

Embodiment 3

[0036] Embodiment 3 is a further embodiment, and the difference with Example 1 is that step (6) feed is fed and fed within 4 hours, and it is advisable to finish eating within 4 hours, and feed 6-10% of the total weight of shrimp seedlings every day in the early stage of feeding , Feeding 4-7% of the total weight of shrimp seedlings every day in the later stage of feeding.

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Abstract

The invention discloses a method for breeding macrobrachium nipponense in two seasons. The provided method for breeding macrobrachium nipponense is scientific and reasonable, living habits and nutrient demands of macrobrachium nipponense are fully taken into account, organic fertilizer is applied as base fertilizer and can serve as low-release fertilizer, and meanwhile, application of chemical fertilizer is avoided, so that influences of chemicals on young shrimps are reduced; since macrobrachium nipponense is characterized by preferentially eating food matched with their mouth sizes, macrobrachium nipponense is fed with feed matched with different mouth sizes according to different growth stages of macrobrachium nipponense, and therefore the requirement of eating food matched with the mouth sizes is met. By removing silt at regular time, injecting water, conducting oxygenation and carrying out other management methods, the content of toxic harmful organic matter and bait residues canbe effectively reduced, and water is kept clean and healthy. Macrobrachium nipponense bred by means of the method is high in yield and quality.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for raising double-season freshwater shrimp. Background technique [0002] Freshwater freshwater freshwater prawn, scientific name Macrobrachium japonica, belongs to crustaceans, decapod order, swimming suborder, true shrimp pie, long arm family, macrobrachium genus, a kind of freshwater shrimp with a large number, traditional economic shrimp in my country's freshwater aquaculture industry one of the species. Due to the many diseases, high cost and heavy pollution of freshwater shrimp farming, the enthusiasm for farming freshwater shrimp is not high, resulting in a large number of ponds being semi-deserted or empty; moreover, in artificial breeding, the size of freshwater shrimp is small, the feed coefficient is large, and the breeding technology is not standardized. not resolved. Contents of the invention [0003] The purpose of the present invention is to provide a method...

Claims

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Application Information

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IPC IPC(8): A01K61/59A01K61/10A23K50/80A23K10/20A23K10/30A23K20/147C02F9/14C02F103/20
CPCA01K61/10A01K61/59A23K10/20A23K10/30A23K20/147A23K50/80C02F1/001C02F1/50C02F1/66C02F9/00C02F2103/20Y02A40/81
Inventor 赵胜强
Owner 桂阳县上梓木水产养殖专业合作社
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