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Long-distance transportation method for fertilized eggs of sepioteuthis lessoniana Lesson

A technology of lei's pseudo-squid, long-distance transportation, applied in fish farming, application, climate change adaptation and other directions, can solve the problems of difficult transportation, easy to breed bacteria, affecting the survival rate and other problems

Active Publication Date: 2018-08-24
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Abstract
  • Description
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Problems solved by technology

However, the fertilized eggs of P. laizii are different from other cephalopods. The fertilized eggs are in the egg case, the length of the egg case is 6-9cm, and there are 8 eggs in each egg case on average. The eggs cannot be fixed in the plastic bag, and it is very easy to cause the embryos in the ootheca to gather at one end of the ootheca during transportation, squeezing each other and affecting the survival rate. Very easy to breed bacteria, so it is more difficult to transport than other varieties

Method used

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Examples

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Effect test

Embodiment 1

[0030] According to the method for long-distance transportation of fertilized eggs of Pseudomonas laizii of the present invention, 30 kg of fertilized eggs of pseudo squid laizii are transported from Dongshan, Fujian to Laizhou Mingbo Aquatic Products Co., Ltd. The transportation period of fertilized eggs is the gastrula stage, and each egg mass contains 40-60 ootheca. Before transportation, put the egg mass into 400ppm iodine solution for disinfection for 50s, then put it into a plastic basket with a diameter of 40cm, a basket height of 10cm, and a basket eye diameter of 4mm, and then cover the mouth of the plastic basket with a 20-mesh mesh, Ties fixed. Fix the plastic basket to a volume of 1.2m 3 In the fish cabin of the live fish transport vehicle in the / cabin, there are 5 layers in each cabin, separated by a partition in the middle, and the plastic basket is fixed to the partition, and the bottom plastic basket is fixed to the bottom of the cabin, and the water is circ...

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Abstract

The invention relates to a long-distance transportation method for fertilized eggs of sepioteuthis lessoniana Lesson, and belongs to the field of aquatic product transportation. The method comprises the following steps: A) carrying out hatching; B) carrying out first disinfection; C) carrying out basketing and truck loading; D) carrying out oxygenating and transporting; E) carrying out secondary disinfection; and F) continuously carrying out hatching. The step A) meets the following hatching conditions: incubating fertilized eggs for 6-9 days under the condition of a seawater temperature of 23-26 DEG C, enabling the fertilized eggs to develop into a blastula stage or a gastrula period, and cutting egg masses from attachment bases along the bases of oothecae. According to the invention, when the blastula stage or the gastrula period is selected for transportation, the ovoid is fixed, the boundaries among the fertilized eggs are obvious, the embryos are prevented from being accumulated to one end of the oothecae during transportation, ink jetting or advanced hatching is avoided, the influence of transportation to embryo development is small, and the transportation survival rate is effectively improved.

Description

technical field [0001] The invention relates to a method for long-distance transportation of fertilized eggs of Pseudomonas squid, which belongs to the field of aquatic product transportation. Background technique [0002] Sepioteuthis lessoniana Lesson belongs to molluscs, cephalopods, sheath subclasses, guniformes, closed eyes, squid family, pseudo squid genus, is a large squid, mainly distributed in It is also distributed in the southern part of Fujian and the coastal areas of Guangdong, the Japanese archipelago, the Hawaiian archipelago, the Malay archipelago, the Indian offshore, and the Red Sea. The squid is a major economic cephalopod in the warm water area of ​​the western Pacific Ocean. It is often caught in the coastal waters of Guangdong and southern Fujian in China. The annual output is about 200 tons. The edible part is relatively high, the meat is tender and delicious, and it is a good seafood after drying. It has extremely high edible, nutritional, medicinal a...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01K61/17
CPCA01K61/00A01K61/17Y02A40/81
Inventor 刘长琳翟介明陈四清肖志忠毛东亮孙礼娟边力
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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