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A kind of feed for promoting the development of cultured Chinese sturgeon broodstock and its production method and application

A Chinese sturgeon and feed technology, which is applied in the field of fish farming, can solve problems such as dirty water quality and changes in feed properties, and achieve the effects of promoting the accumulation of nutrients in the body, convenient processing and production, and simple and easy storage methods

Active Publication Date: 2019-11-01
YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Another object of the present invention is to provide a method for making feed that promotes the growth of Chinese sturgeon broodstock. The method is simple, easy to implement, suitable for large-scale production, and solves the current problems of changing feed properties and polluting water quality caused by underwater immersion.

Method used

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  • A kind of feed for promoting the development of cultured Chinese sturgeon broodstock and its production method and application
  • A kind of feed for promoting the development of cultured Chinese sturgeon broodstock and its production method and application
  • A kind of feed for promoting the development of cultured Chinese sturgeon broodstock and its production method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A feed for promoting the growth of Chinese sturgeon broodstock, comprising:

[0037]

[0038] The above-mentioned components, except water, are all in dry weight; the water content of the feed is 52% (mass ratio).

[0039] Capper fish, head of blue-spotted mackerel (Scomberomorus niphonius), Chinese calamari, soybean meal meal and flour have been aged;

Embodiment 2

[0041] A method for preparing feed for promoting the growth of Chinese sturgeon broodstock:

[0042] (1) Handling of raw materials:

[0043] Capricorn and Chinese calamari: Chilled capricorn (Mallotus villosus) and Chinese calamari (Loligochinensis) are ripened by steam at 100°C for 40 minutes, filtered with a 20-mesh net, and the moisture content of the capillary after filtration is 57%; China The water content of calamari is 66%, and it should be refrigerated after cooling down for later use;

[0044] Fish head of blue-spotted mackerel: clean the head of fresh mackerel, cut into pieces, crush in an oven at 60°C for 48 hours, and pass through a 60-mesh sieve for later use;

[0045] Soybean meal powder: Commercially available high-quality soybean meal is crushed and passed through a 60-mesh sieve, steamed and then lowered to room temperature for use; first-grade flour is steamed and then lowered to room temperature for use.

[0046] White fish meal, spirulina powder, and veg...

Embodiment 3

[0063] Application of a feed to promote the growth of Chinese sturgeon broodstock:

[0064] 1. Use a breeding pond with a size of 29.0m×11.0m×4.4m, the breeding water temperature is 21.0-22.5°C, the dissolved oxygen is 7.0-7.8mg / L, the circulation rate of the circulating water filtration system is 50min / time, and the breeding density is 2.2-2.5 kg / m 3 .

[0065] 7 tails of 15-year-old female breeding Chinese sturgeon (the minimum age of sexual maturity of female Chinese sturgeon in natural populations in natural waters is 14 years old), and the finished material prepared in Example 2 was fed every other day with 0.8% of body weight, and used continuously for 1 year; The particle size is (5.0-7.5cm)×(4.0-5.0cm)×(1.2-1.5cm).

[0066] 2. Use this raw material before and after feeding to measure biological parameters such as body length and body weight of Chinese sturgeon, collect blood from the tail vein, and detect serum sex steroid hormone levels, including estradiol and test...

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Abstract

Provided are a feed for promoting development of bred parent Chinese sturgeons and a preparation method and application thereof. The feed is prepared from 22.0-31.0 parts of topmouth culter powder, 18.0-22.0 parts of Mallotus villosus, 2.0-3.0 parts of Scomberomorus niphonius heads, 2.0-3.0 parts of Loligo chinensis, 3.0-3.5 parts of spirulina, 9.0-13.0 parts of soybean meal, 4.0-15.0 parts of first-grade flour, 19.5-24.0 parts of gelatin, 2.0-4.0 parts of vegetable oil and an appropriate amount of water. The problem of property change caused by long-time feed soaking in water is solved. After the feed is adopted, substance accumulation of bred advanced-age female and male chinese sturgeon bodies can be promoted, gonad development can be promoted, and a substance basis is provided for further development.

Description

technical field [0001] The invention relates to the field of fish farming, in particular to a feed for promoting the growth of Chinese sturgeon broodstock, a production method and application thereof. Background technique [0002] Chinese sturgeon (Acipenser sinensis Gray, 1834) belongs to Osteichthyes, Actinopterygii, Acipenseriformes, Acipenseridae, and Acipenser. The age of sexual maturity of Chinese sturgeon is longer, the minimum age of sexual maturity of female fish is 14 years old, and the minimum age of sexual maturity of male fish is 9 years old. Adult male sturgeon can reach 250cm in length and weigh more than 150kg, while adult female sturgeon can reach 400cm and weigh more than 350kg. Chinese sturgeons that grow up in the sea and are about to mature migrate (migration time exceeds 1 year) to the upper reaches of the Yangtze River and the lower reaches of the Jinsha River (before closure of Gezhouba) or downstream of Gezhoudam (after closure of Gezhoudam) to spaw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/80A23K10/22A23K10/37A23K10/16A23K10/30A23K20/147A23K20/158A01K61/10
CPCA01K61/00Y02A40/81Y02A40/818Y02P60/87
Inventor 张晓雁杜浩危起伟王彦鹏张艳珍蔡经江刘志刚乔新美熊伟
Owner YANGTZE RIVER FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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