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Method for iced fresh bait converting and live bait feeding for bigfin reefsquids

A chilled squid technology, applied in the field of aquaculture, can solve the problems of death, poor eating chilled bait, inactivity, etc., and achieve the effects of increasing sinking distance, prolonging sinking time, and avoiding waste

Active Publication Date: 2020-09-08
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) Cuttlefish laimani hardly move in the lower layer of the water, neither eat dead bait nor live bait at the bottom of the water, but most of the live baits that can be provided stably live at the bottom of the pool and are almost inactive. Difficult for squid to eat
[0006] (2) During the growth stage of the squid, the ingestion of chilled bait is poor, and a large number of deaths are often caused by the untimely supply of live bait
[0009] (2) When feeding chilled bait, the squid can be seen feeding only during the sinking process of the bait, but it will be spit out immediately after eating it in the mouth, eating chilled bait is poor, and the supply of live bait is often not timely due to weather reasons Massive death of squid

Method used

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  • Method for iced fresh bait converting and live bait feeding for bigfin reefsquids
  • Method for iced fresh bait converting and live bait feeding for bigfin reefsquids
  • Method for iced fresh bait converting and live bait feeding for bigfin reefsquids

Examples

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Embodiment 1

[0056] Live Mysis prawns were fed from 1 to 30 days old, and the water level was 50-60 cm. After 5-10 minutes after feeding, the water level was reduced to 15-20 cm. ) Co., Ltd. produces sea boy juvenile fish feed 1# or a small amount of Artemia nauplii with a particle size of 0.2-0.25 mm. 20-50 days old, feed live goby fry with a total length of 1.0-1.5cm, the water level is 50-60cm when feeding, and reduce the water level to 15-20cm 5-10min after feeding the fry, and feed a small amount at the same time Sea Tong juvenile feed 2# and 3# compound feed with a particle size of 0.25-0.58mm. At the age of 40-80 days, live goby fry with a total length of 1.5-2.5 m after cold anesthesia were fed. Before feeding, collect goby fry and put them in cold water (the cooling range is about 8-10°C), soak for 0.5-1min for cold anesthesia, and the water level rises to 60-70cm when feeding, After 20 minutes, feed a small amount of 3# and 4# compound feeds with a particle size of 0.36-0.84 mm...

Embodiment 2

[0059] The difference from Example 1 is that the bait is live mysis and white prawn, instead of raising and lowering the water level and feeding the compound feed to increase the frequency of bait activity, etc. to domesticate the squid to feed on the bottom live bait, other conditions are the same . According to statistics, the survival rate of seedlings with a trunk length of 3 to 4 cm reaches 40%, and the survival rate of growing up reaches 20%.

Embodiment 3

[0061] The difference from Example 1 is that the bait is live mysis and white prawn, instead of cold anesthesia and raising the water level to transform and acclimatize the frozen bait of Cuttlefish laiburi, and the other conditions are the same. According to statistics, the survival rate of seedling cultivation with a trunk length of 3-4 cm reaches 50%, and the survival rate of growing-up reaches 30%.

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Abstract

The invention belongs to the technical field of aquaculture, and discloses a method iced fresh bait converting and live bait feeding for bigfin reefsquids. In the earlier stage of fry cultivation, thewater level is lowered, the distance between the bigfin reefsquids and the bottom of a pond is shortened, a compound feed is fed to increase the activity frequency of opossum shrimps and fry during bait intake, and the bigfin reefsquids are domesticated to eat the bottom live bait. According to the method, after live bait is anesthetized by adopting a cold anesthesia method and the bigfin reefsquids eat the bait, the fry struggles in the mouth, the bigfin reefsquids feel the live bait instead of spitting out the bait, and meanwhile, the live bait after anesthesia recovery can survive at the bottom of the pond and then is eaten by the bigfin reefsquids, so that the problem that the bigfin reefsquids do not eat iced fresh bait is solved through domestication. When the bait is used for feeding, the bigfin reefsquids can fight for the bait in the sinking stage, and aiming at the characteristic, the water level is increased, the bait sinking distance is increased, the bait sinking time isprolonged, and waste caused by the fact that the bigfin reefsquids do not eat dead bait at the bottom of the pond is effectively avoided.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a method for transforming chilled bait and feeding live bait for Pseudomonas laiburi squid. Background technique [0002] Sepioteuthis lessoniana Lesson, English name: Bigfin reefsquid, Japanese name: アオリイカ, belongs to the genus Mollusca, Cephalopoda, Coleoidea, Teuthida , Myopsida, Loliginidae, Sepioteuthis, is one of the most widely distributed species in the Indo-West Pacific in the family Loliginidae, from Japan to Australia and New Zealand, from It is found from Hawaii to the east coast of Africa, north to the Red Sea, and south to Madagascar. Among them, it is distributed in the Yellow Sea, East China Sea and South China Sea. There are three known species of Sepia genus: Sepioteuthis sepioidea, Sepioteuthis australis and Sepioteuthis lessoniana, and there is only one Sepioteuthis species in my country. The squid is a major economic cephalopod in the warm w...

Claims

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Application Information

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IPC IPC(8): A23K10/20A23K10/22A23K50/80A01K61/00
CPCA23K10/20A23K10/22A01K61/00Y02A40/81
Inventor 刘长琳陈四清张盛农翟介明林铃生孙礼娟葛建龙王峥韦寿永
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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