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A parental fish feed containing spirulina platensis powder and a preparation method thereof

A technology of spirulina powder and fish feed, which is applied in the field of parent fish feed, can solve the problems of rapidly rising prices and low supply of fish meal, and achieve the effects of improving the body's anti-stress ability, enhancing immunity, and regulating endocrine

Active Publication Date: 2015-09-23
SOUTH CHINA AGRI UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the supply of traditionally used fishmeal is small and the price is rising rapidly. Therefore, finding raw materials to replace fishmeal and obtaining high-quality feed, especially to meet the high protein demand of carnivorous fish, has become a concern of many breeders.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0030] The preparation method of the wet material: each component of the formula is added into a meat grinder according to the proportion and mixed, and the discharge diameter of the meat grinder is 8-10 mm.

[0031] When in use, the wet material and the dry material are prepared according to the ratio of 7:3, and the mixture is stirred into a dough shape to obtain the broodstock feed.

Embodiment 1

[0034] Weigh 0.3 g / t yeast selenium powder and 0.1 part of compound additive, mix well to obtain mixture 1, mix 1 and 30 g / t choline chloride to form mixture 2, add 80 g / t bile acid to the mixture and mix well After forming mixture 3, 5 parts of spirulina were added into mixture 3 to form mixture 4, and 80 parts of pregelatinized starch were mixed with mixture 4 to finally form a dry material mixture.

[0035] The wet material is fully mixed with 30 parts of pig placenta, 3 parts of fresh earthworms and 50 parts of fresh miscellaneous fish. After mixing evenly, add the meat grinder to grind, and the diameter of the discharge port is 8mm.

[0036] Mix the wet and dry ingredients in a ratio of 7:3 and knead the mixture into a dough.

Embodiment 2

[0038] Weigh 0.9 g / t yeast selenium powder and 0.3 part of compound additive, mix well to obtain mixture 1, mix 1 and 50 g / t choline chloride to form mixture 2, add 100 g / t bile acid to the mixture and mix well After forming mixture 3, 15 parts of spirulina were added into mixture 3 to form mixture 4, and 95 parts of pregelatinized starch were mixed with mixture 4 to finally form a dry material mixture.

[0039] The wet material is fully mixed with 40 parts of pig placenta, 9 parts of fresh earthworms and 70 parts of fresh miscellaneous fish. After mixing evenly, add the meat grinder to grind, and the diameter of the discharge port is 10mm.

[0040] Mix the wet and dry ingredients in a ratio of 7:3 and knead the mixture into a dough.

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Abstract

The present invention discloses a preparation method of a parental fish feed containing spirulina platensis powder. Dry materials and wet materials are firstly separately prepared and then mixed at a ratio of 7: 3. The dry materials contain the following components at the following ratio: 80-95 parts of pre-gelatinized starch, 5-15 parts of spirulina platensis powder, 0.3-0.9 g / t of selenium yeast powder, 0.1-0.3 part of composite additive, 30-50 g / t of choline chloride, and 80-100 g / t of bile acids; and the mixed mode follows the principle of progressively enlarging, and small materials are mixed evenly with large materials to conduct progressively enlarging. The composition ratios of the wet materials are as follows: pig afterbirths 30-40 parts, fresh earthworms 3-9 parts, fresh coarse fish 50-70 parts, and the wet materials are prepared by being mixed and minced together. The parental fish feed has simple and easy-to-get raw materials, and cheap price, is nutritionally balanced, has high protein content, and can enhance the gonadal development of the parental fish, enhance the quality of gametes, and ultimately improve the reproduction rate and quality.

Description

technical field [0001] The invention relates to a broodstock feed containing spirulina powder, and also relates to a preparation method of the feed. Background technique [0002] Broodstock refers to male or female fish that have developed to sexual maturity and have the ability to reproduce, that is, breeding fish. Broodstock is a crucial basis for artificial reproduction, and the quality of its eggs and sperm determines the basic quality of larvae and juveniles. The main component of fish eggs and sperm is protein, so the level of protein content in parent fish feed can directly affect the quality of sperm eggs and the post-embryonic development of young and juvenile fish. Fish prepare material and energy resources for reproduction through food intake, and pass these resources to offspring through reproduction. In the early stage of the ovary, even in the Ⅲ-Ⅳ stage, its development and protein growth mainly depend on exogenous nutrition. Therefore, the use of scient...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/14A23K1/175A23K1/16A23K1/10
Inventor 吕子君邹记兴李正光谢少林周爱国王超
Owner SOUTH CHINA AGRI UNIV
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