CN101574125A - Growth promoter for hybrid tilapia fish larvae - Google Patents
Growth promoter for hybrid tilapia fish larvae Download PDFInfo
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- CN101574125A CN101574125A CNA2009100390073A CN200910039007A CN101574125A CN 101574125 A CN101574125 A CN 101574125A CN A2009100390073 A CNA2009100390073 A CN A2009100390073A CN 200910039007 A CN200910039007 A CN 200910039007A CN 101574125 A CN101574125 A CN 101574125A
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Abstract
The invention relates to a growth promoter for hybrid tilapia fish larvae, which belongs to the technical field of aquatic breeding. Components and weight percentage ranges of the growth promoter are: 40 to 60 percent of phospholipids, 50 to 100 percent of vitamin C to 2 to polyphosphate ester, 25 to 50 percent of vitamin E, 30 to 50 percent of digestive enzyme, 30 to 50 percent of beta to glucan and 10 to 20 percent of citric acid. The growth promoter has the following advantages that: (1) the growth rate of hybrid tilapia fish larvae is obviously raised; (2) the organism immunity of the fish larvae is obviously enhanced, and the survival rate is raised; (3) the addition dosage of the growth promoter used as feed additives in feed for the hybrid tilapia fish larvae is only between 0.2 and 0.3 percent; (4) the growth promoter has no harmful effects on feed palatability; and (5) the growth promoter is stable in source of raw materials, low in price and simple in production process.
Description
Technical field
The present invention relates to a kind of feed addictive, particularly relate to a kind of growth promoter for hybrid tilapia fish larvae.
Background technology
Tilapia mossambica is that Perciformes Callichthyidae Tilapia mossambica belongs to, and belongs to the tropical fish, has kind more than 100, and majority originates in Africa.Tilapia mossambica has grow fast, characteristics such as feeding habits are wide, reproductive capacity is strong, disease is few, meat is good, output height.The principal item of culturing has at present: more than 10 kinds such as Sarotherodon sp, lucky good fortune Tilapia mossambica, lucky Tilapia mossambica difficult to understand.Sarotherodon sp is the offspring of Oreochromis aureus and bolti hybridization, is the main at present Tilapia mossambica kind of culturing of China.It is regional wide that the suitable Tilapia mossambica in coastal areas of southern China area is cultured, and Tilapia mossambica is cultured has huge potentiality to be exploited and advantage.
Tilapia mossambica is mouthful incubating property fish, and hatching has following shortcoming naturally: brooding time is long, the parent population growth retardation, and reproductive capacity descends; The fry hatching rate is low, and survival rate is low, and regularity is poor.Some advanced persons' the factory of growing seedlings has begun to adopt the mode of artificial incubation for this reason.Artificial incubation will relate to the cultivation of fry, in cultivation, only rely on the biological feed of throwing something and feeding to guarantee growing of young postlarva, must need and meet the grow perfect compound feed of feature of young postlarva, but because the also imperfection of the digestive system development of young postlarva, its degree that absorbs to feed is lower, be necessary to improve of the utilization of young postlarva, improving its speed of growth and premunition, thereby improve survival rate and the vigor of young postlarva feed by the form of feed addictive.
Summary of the invention
The object of the invention provides a kind of growth promoter for hybrid tilapia fish larvae, and it can overcome above-mentioned defective.
Component of the present invention and percetage by weight scope are respectively: phosphatidase 14 0-60; Vitamin C-2-polyphosphate 50-100; Vitamin E 25-50; Digestive ferment 30-50; Beta glucan 30-50; Citric acid 10-20.
The present invention has following advantage: (1) obviously improves the hybrid tilapia fish larvae speed of growth; (2) obviously strengthen the immunity of organisms of young postlarva, improved survival rate; (3) use in the young postlarva of Tilapia feed as feed addictive, additive capacity only is 0.2-0.3%; (4) the present invention does not have any harmful effect to the feed palatability; (5) its raw material source of the present invention is stable, cheap, and production technology is simple.
The specific embodiment
Take by weighing 40kg phosphatide, 50kg vitamin C-2-polyphosphate, 35kg vitamin E, 30kg digestive ferment, 30kg beta glucan, citric acid 15kg, the even mixing of these 6 kinds of materials is young postlarva uses growth promoter.It promotes the growth of young postlarva of Tilapia, and improves its premunition by modes such as environment, interpolation immunopotentiator in extra-nutrition material, exogenous digestive ferment, the change alimentary canal.
Case study on implementation:
Experiment in Zhanjiang and Maoming shows that the Sarotherodon sp fry of artificial incubation is used this growth promoter in the complete period of growing seedlings, and the speed of growth of young postlarva and survival rate improve 16-21% and 17-22% respectively.
Zhanjiang, Maoming hybrid tilapia fish larvae culture experiment result
Claims (1)
1, a kind of growth promoter for hybrid tilapia fish larvae is characterized in that its component and percetage by weight scope are respectively: phosphatidase 14 0-60; Vitamin C-2-polyphosphate 50-100; Vitamin E 25-50; Digestive ferment 30-50; Beta glucan 30-50; Citric acid 10-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100390073A CN101574125A (en) | 2009-04-21 | 2009-04-21 | Growth promoter for hybrid tilapia fish larvae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100390073A CN101574125A (en) | 2009-04-21 | 2009-04-21 | Growth promoter for hybrid tilapia fish larvae |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101574125A true CN101574125A (en) | 2009-11-11 |
Family
ID=41269305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100390073A Pending CN101574125A (en) | 2009-04-21 | 2009-04-21 | Growth promoter for hybrid tilapia fish larvae |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101574125A (en) |
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2009
- 2009-04-21 CN CNA2009100390073A patent/CN101574125A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091111 |