High-density overwintering cultivating method of macrobrachium rosenbergii parents

A technique of giant giant rosenbergii and a breeding method, which is applied in the field of breeding, can solve the problems of less number of times of rebirth, long interval of repeated oviposition, and loss of reproductive ability of winter-aged female shrimp, so as to save heating and heat preservation costs, save comprehensive management costs, Reduce the effect of broodstock mutual attack

Pending Publication Date: 2017-05-10
GUANGXI ACADEMY OF FISHERY SCI
View PDF4 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 2. Although winter-age female shrimps have a large amount of eggs, during the hatching process, the fertilized eggs are easy to fall off, and the hatched larvae are less, and the time interval between repeated eggs is long, and the number of rebirths is small;
[0007] 3 Most of the...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

application example 1

[0045] In mid-November 2015, the water temperature was above 20°C, in the No. 1 wintering breeding greenhouse of Guangxi Fisheries Research Institute, Nama Town, Liangqing District, Nanning, Guangxi. The body length was 10cm-12cm and the weight was 20g-30g. Individuals with a body length of 10cm-15cm and a body weight of 30g-40g were selected from the male shrimps of the year, and the selected individuals were used as broodstock for overwintering culture, and then these broodstock were placed in an independent broodstock pond for a while. keep.

[0046] Use potassium permanganate with a concentration of 1PPM to sterilize the parent shrimp temporarily raised in the broodstock pond for 30 minutes. During the disinfection process, the dissolved oxygen content in the water should be kept above 5mg / L. When the parent shrimp is found to be intolerable, remove it in time. Another temporary care.

[0047] Pick up the sterilized broodstock from the broodstock pool, and use sterilized ...

application example 2

[0054] On October 18, 2014, the water temperature was above 20°C in No. 2 wintering breeding greenhouse of Guangxi Fisheries Research Institute, Nama Town, Liangqing District, Nanning, Guangxi. The female shrimp with a body length of 10cm-12cm and a weight of 20g- 30g individuals, select individuals with a body length of 10cm-15cm and a weight of 30g-40g from the male shrimp of the year, and use the selected individuals as broodstock for overwintering culture, and then put these broodstock in an independent broodstock pond Temporary care.

[0055] Use potassium permanganate with a concentration of 3PPM to sterilize the broodstock temporarily in the broodstock pond for 20 minutes. During the disinfection process, the dissolved oxygen content in the water should be kept above 5 mg / L. When the broodstock is found to be intolerable, remove it in time. Another temporary care.

[0056] Pick up the sterilized broodstock from the broodstock pool, and use sterilized nail scissors to c...

application example 3

[0063] On November 10, 2015, the wintering breeding greenhouse at No. 3 of the Guangxi Fisheries Research Institute’s Fine Breeding Farm, Nama Town, Liangqing District, Nanning, Guangxi, was selected from the female shrimp of the year with a body length of 10cm-12cm and a weight of 20g- 30g individuals, select individuals with a body length of 10cm-15cm and a weight of 30g-40g from the male shrimp of the year, and use the selected individuals as broodstock for overwintering culture, and then put these broodstock in an independent broodstock pond Temporary care.

[0064] Use 5PPM potassium permanganate to sterilize the broodstock temporarily raised in the broodstock pond. The disinfection time is 10 minutes. During the disinfection process, the dissolved oxygen content in the water should be kept above 5mg / L. When the broodstock shrimp is found to be intolerable, remove it in time. Another temporary care.

[0065] Pick up the sterilized broodstock from the broodstock pool, and...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a high-density overwintering cultivating method of macrobrachium rosenbergii parents. The high-density overwintering cultivating method comprises the following steps: (1) when the water temperature is above 20 DEG C before winter every year, selecting parent macrobrachium rosenbergii for overwintering cultivation from female macrobrachium rosenbergii and male macrobrachium rosenbergii in that very year; (2) performing in-vitro disinfection to the parent macrobrachium rosenbergii; (3) shearing one or all sides of chela on second ambulatory leg of the disinfected parent macrobrachium rosenbergii through disinfected tools; (4) putting the parent macrobrachium rosenbergii subjected to chela shearing operation, back to the parent macrobrachium rosenbergii pool for recuperating and recovering, wherein the feeding quantity of baits is 30%-50% of the normal eating quantity, and the content of dissolved oxygen is not less than 5mg/L, the water temperature is not lower than 20 DEG C, and the cultivating density is 40/m<2> to 60/m<2>; and (5) after the recuperating and recovering period, removing redundant shelters in the parent macrobrachium rosenbergii pool, controlling the water temperature to be between 19 DEG C and 21 DEG C, wherein the management of other aspects is operated according to the requirements of routine overwintering management. The high-density overwintering cultivating method has the beneficial effects of not only being capable of increasing the overwintering cultivating density of the macrobrachium rosenbergii parents by more than one time, but also being capable of guaranteeing the survival rate to achieve more than 90%, and having considerable economic benefits.

Description

technical field [0001] The invention relates to an aquaculture method, in particular to a high-density overwintering method for parents of Macrobrachium rosenbergii, belonging to the field of cultivation technology. Background technique [0002] Sexually mature Macrobrachium rosenbergii, the male shrimp generally has a body length of about 40cm and a weight of about 600g, and the female shrimp generally has a body length of about 25cm and a weight of about 200g. The body surface of sexually mature Macrobrachium rosenbergii is covered with a layer of chitinous carapace, the body color is light blue, with brown-yellow stripes in between, the whole body is divided into two parts, the cephalothorax and the abdomen. The whole body of a shrimp is composed of 20 segments, and each body segment (except the tail) has a pair of appendages. The first two pairs of appendages are mainly used for the sense of smell and touch. The jaw and the second mandible together form the mouth organ....

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A01K61/59
CPCY02A40/81
Inventor 黄光华黄黎明杨琼黄立斌冯鹏霏卢小花杨彦豪
Owner GUANGXI ACADEMY OF FISHERY SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap