Seaweed functional feed suitable for grouper fingerlings and preparation method of seaweed functional feed
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A functional feed, grouper technology, applied in the direction of animal feed, animal feed, application, etc., can solve the problems of grouper's low feed utilization rate, hindered growth, low survival rate of fingerlings, etc., to promote growth and digestion. Activity such as enzymes, significant social and economic benefits, and the effect of shortening residence time
Inactive Publication Date: 2020-02-07
HAINAN CHENHAI AQUATIC CO LTD
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Problems solved by technology
[0002] Grouper is the general term for fish in the grouper subfamily (Epinephelinae), which belongs to Osteichthyes, Neopterygii, Acanthopterygii, Perciformes, perch Suborder (Percoidei), Serranidae (Serranidae), large and medium-sized marine fishes in warm water, widely distributed in tropical and subtropical waters, mainly distributed in the Taiwan Strait and South China Sea in China. The meat is fat and delicious, and it is a popular aquatic product. Fish, but currently other chemical baits or other fry are fed in the breeding process of grouper fingerlings. Therefore, under natural conditions, the survival rate of fish fingerlings is low, the utilization rate of feed by grouper fish is low, and there is a phenomenon of vomiting when feeding. Feed Poor palatability, more spoiled flavor substances, thus affecting the appetite of fish species, reducing food intake, and hindering growth
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Embodiment 1
[0018] Seaweed functional feed includes the following raw materials by weight: 38 parts of compound seaweed extract, 10 parts of taurine, 11 parts of glutamic acid, 12 parts of alanine, 10 parts of glycine, 14 parts of sodium inosinate, and 2 parts of vitamin C , the composite seaweed extract is extracted by microwaves with a weight ratio of 1:2:1.2 of seaweed, kaempferen and gallnut.
Embodiment 2
[0020] Seaweed functional feed includes the following raw materials by weight: 58 parts of compound seaweed extract, 15 parts of taurine, 18 parts of glutamic acid, 21 parts of alanine, 20 parts of glycine, 19 parts of sodium inosinate, 8 parts of green tea polyphenols The compound seaweed extract is extracted by microwave with a weight ratio of 3:5:2.6 of seaweed, kaempferen and gallnut.
Embodiment 3
[0022] Seaweed functional feed includes the following raw materials by weight: 48 parts of compound seaweed extract, 12 parts of taurine, 14 parts of glutamic acid, 17 parts of alanine, 15 parts of glycine, 16 parts of sodium inosinate, and 5 parts of antioxidants , the compound seaweed extract is extracted from seaweed, kaempferen and Galla galla with a weight ratio of 2:3:2, and the antioxidant is vitamin C and butyl hydroxyanisole in a weight ratio of 1 ~2 composition;
[0023] The preparation method of the above-mentioned embodiment 1-3 seaweed functional feed comprises the following steps:
[0024] (1) Seaweed concentrate: crush the seaweed, add 50 times of pure water, adjust the pH to 1.3 with hydrochloric acid or sulfuric acid, heat and extract at 55°C for 3.5 hours, separate the filter residue to obtain the seaweed concentrate,
[0025] (2) Composite seaweed extract: pulverize kaempferia and Chinese gallnut, pass through a 200-mesh sieve, grind and homogenate in a sol...
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Abstract
The invention provides a seaweed functional feed suitable for grouper fingerlings and a preparation method of the seaweed functional feed. The seaweed functional feed comprises the following raw materials in parts by weight of 38-58 parts of a composite seaweed extract, 10-15 parts of taurine, 11-18 parts of glutamic acid, 12-21 parts of alanine, 10-20 parts of glycine, 14-19 parts of sodium inosinate and 2-8 parts of an antioxidant, wherein the composite seaweed extract is prepared through microwave extraction on seaweed, rhizoma kaempferiae and Chinese galls in the ratio of parts by weight being (1-3) to (2-5) to (1.2-2.6). According to the seaweed functional feed suitable for grouper fingerlings, the palatability of the feed can be changed, food calling properties can be strengthened, stress resistance and growth rate of the fingerlings can be significantly increased, the survival rate, the grazing rate and the growth rate of the grouper fingerlings can be increased, the seaweed functional feed has theory and practice directive significance in an artificial breeding technique of the grouper fingerlings and increase of breeding economic benefits, a technical base is established for large-scale breeding, and the seaweed functional feed has great social and economic benefits.
Description
technical field [0001] The invention relates to the field of aquaculture, in particular to a seaweed functional feed suitable for grouper fry and a preparation method thereof. Background technique [0002] Grouper is the general term for fish in the grouper subfamily (Epinephelinae), which belongs to Osteichthyes, Neopterygii, Acanthopterygii, Perciformes, perch Suborder (Percoidei), Serranidae (Serranidae), large and medium-sized marine fishes in warm water, widely distributed in tropical and subtropical waters, mainly distributed in the Taiwan Strait and South China Sea in China. The meat is fat and delicious, and it is a popular aquatic product. Fish, but currently other chemical baits or other fry are fed in the breeding process of grouper fingerlings. Therefore, under natural conditions, the survival rate of fish fingerlings is low, the utilization rate of feed by grouper fish is low, and there is a phenomenon of vomiting when feeding. Feed The palatability is poor, an...
Claims
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Application Information
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