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Artificial breeding method of sepia esculenta

A golden squid and artificial technology is applied in the field of artificial seedling raising of golden squid, which can solve the problems of slow growth rate and cumbersome cultivation method, and achieve the effects of simple steps, strong operability, and increased growth speed.

Inactive Publication Date: 2014-06-04
浙江大海洋科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a technical scheme of the method for raising golden squid seedlings artificially, so as to solve the problems in the prior art such as cumbersome cultivation methods and slow growth speed of golden squid seedlings.

Method used

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Embodiment

[0017] A golden squid artificial breeding method, the method may further comprise the steps:

[0018] 1) Selection and mating of parents: According to the natural breeding method of golden squid, healthy and sexually mature male and female golden squid are selected as parents, and then the male and female golden squid are paired at a ratio of 1 to 2:1;

[0019] 2) Intensive cultivation of parents: Put the golden squid parents in step 1) into the nursery pond for intensive cultivation for 15-30 days; control the water temperature of the cultivation pond at 20-25°C, seawater salinity Carry out 5~8m / min flowing water stimulation 10~15 minutes, every 2 hours according to the fly maggot, vitamin, mysis and mineral substance alternately feed the feed, the feeding amount is 0.3~0.6 times of parental weight; The weight percentage of mysis and minerals is 46:5:45:4, the minerals are composed of FeSO 4 h 2 O, CuSO 4 5H 2 O, MgSO 4 It is obtained by mixing with KI in a weight ratio ...

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Abstract

An artificial breeding method of sepia esculenta belongs to the technical field of mariculture. The method is characterized by comprising the following steps: 1, selection and matching of parents; 2, strengthened culturing of the parents; 3, spawning and hatching; 4, cultivation of larvae; and 5, cultivation of young sepia esculenta. The artificial breeding method of sepia esculenta is simple in step and high in operability; the feeding amount of the sepia esculenta parents is regulated and controlled manually, particularly the sepia esculenta parents are mainly fed with fly maggots, wherein the fly maggot powder has high protein content being 56%-63%, fat content being 13%, ash content being 7%, sugar content being 3.1%, crude protein content being 15% and crude fat being 5.8%, so nutritional requirement of growth of the sepia esculenta parents can be met and thus a batch of high-quality germ cells are obtained; and then the feeding amount and the like of offspring seeds of sepia esculenta are regulated and controlled manually, and especially bait contains cuttlefish visceral meal, so the growth speed of offspring seeds of sepia esculenta can be increased and the offspring seeds are stably supplied in batches.

Description

technical field [0001] The invention belongs to the technical field of mariculture, and in particular relates to a method for artificially raising golden squid seedlings. Background technique [0002] Golden squid is also known as cuttlefish and mullet. Medium-sized squid, the carcass is oval, the intestine is generally 20 cm long, and the length is 1.5 times the width. The dorsal abdomen is slightly flattened, with narrow fins around the lateral margins, not fused. There are 5 pairs of arms around the front end of the head and the mouth, 4 pairs are shorter, and each arm has 4 suckers; 1 pair of tentacles is slightly longer than the second, and the suckers are only at the top, small and dense. Well-developed eyes, well-developed calcareous inner skeleton, long oval, about 2.5 times as long as the width, and thick spicules at the back end. There is an ink sac in the body, which stores black liquid. The body is yellow-brown, with brown-purple and white fine spots on the b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 夏灵敏王晓艳李海锋
Owner 浙江大海洋科技有限公司
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