CN101971935A - Tilapia mossambica initial bait - Google Patents
Tilapia mossambica initial bait Download PDFInfo
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- CN101971935A CN101971935A CN2010105474805A CN201010547480A CN101971935A CN 101971935 A CN101971935 A CN 101971935A CN 2010105474805 A CN2010105474805 A CN 2010105474805A CN 201010547480 A CN201010547480 A CN 201010547480A CN 101971935 A CN101971935 A CN 101971935A
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- tilapia mossambica
- bait
- tilapia
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Abstract
The invention discloses a Tilapia mossambica initial bait which comprises the following components in percentage by weight: 36.0-37.0 wt% of crude protein, 8.0-9.0 wt% of fat, 15.5-16.0 wt% of ash content and 11.0-13.0 wt% of moisture, and the balance any auxiliary material for preparing a fish or poultry feed. The invention can completely satisfy the energy requirement of Tilapia mossambica fry, obviously improves the digestion of the intestinal tract of the Tilapia mossambica fry, accelerates the growth, obviously strengthens the immunity of the organism of Tilapia mossambica fry and improves the survival rate.
Description
Technical field
The present invention relates to a kind of fish feed, is a kind of Tilapia mossambica open-mouthed bait specifically.
Technical background
Tilapia mossambica (Tilapia) originates in the light salt water of the African continent and pacific rim, Middle East sea area, is divided into three genus, has over one hundred kind, has 18 kinds approximately as the common kind of culturing.The Tilapia mossambica of introducing China mainland the earliest is the Mozambique Tilapia mossambica.The Tilapia mossambica of China's breed at present is mainly bolti, Oreochromis aureus and Hybrid Sarotherodon sp thereof etc.Tilapia mossambica has that adaptability is strong, reproductive capacity is high, feeding habits are extensively assorted, premunition reaches characteristics such as meat flavour deliciousness by force, is the important cultured freshwater fish of China at present.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.The production of healthy seedling in enormous quantities and stable supply are prerequisite and the keys that Tilapia mossambica is cultured.
Bait is one of key factor of fish seedling cultivation.Chinese scholars has been carried out a lot of researchs to the bait of juvenile fish, adult fish and the parent population of Tilapia mossambica, but yet there are no relevant report both at home and abroad about the research of Tilapia mossambica opening stage bait.Along with developing rapidly of Tilapia mossambica industrialization, to the increase of fry demand and the raising of quality requirement, the problem of Tilapia mossambica open-mouthed bait becomes the key of seed rearing.
Summary of the invention
The purpose of this invention is to provide a kind of immunity of organisms that strengthens young postlarva, improve survival rate and promote the Tilapia mossambica open-mouthed bait of young postlarva growth.
Tilapia mossambica open-mouthed bait provided by the invention, this bait contain thick protein 34.5～35.5%, fat 8.0～9.0%, ash content 15.5～16.0% and moisture 11.0～13.0% by weight.
Tilapia mossambica hatches from embryonated egg and comes out the back to 24 ages in days, and this is the transition stage that is converted into exogenous nutrition by endogenous nutrition.Under the suitable condition of water temperature behind the Tilapia mossambica prelarva membrane the 4th day just can opening.The quality of open-mouthed bait is the key factor that influences prelarva growth and survival, so this transition stage is otherwise known as " tricky time " that prelarva cultivates.The present invention is directed to the particularity in Tilapia mossambica opening stage, the process repeated multiple times is on probation, and draws the content of above-mentioned various active principles.Tilapia mossambica prelarva 3 age in days openings, 3～12 ages in days wheel animalcule of throwing something and feeding, 13 ages in days work this bait of throwing something and feeding, and can satisfy the energy demand of Tilapia mossambica prelarva fully; Obviously improve the digestion power of young postlarva of Tilapia enteron aisle, promoted growth; Obviously strengthen the immunity of organisms of young postlarva, improved survival rate.Better is to contain thick protein 35.0%, fat 8.5%, ash content 15.75% and moisture 12.0%.In the present invention, the surplus of this bait can be any auxiliary material in preparation fish or the poultry feed.
Description of drawings
Fig. 1 to Fig. 3 is the result of use comparison diagram of bait of the present invention and other feeds.
The specific embodiment
Embodiment:
Non-fish prelarva 3 age in days openings, on 3rd～12, the wheel animalcule of throwing something and feeding, the density of wheel animalcule is thrown something and fed 4 times at 10～15/mL every day, works the bait of the present invention of throwing something and feeding on the 13rd, this bait by weight, thick protein is 35.0%, fat 8.5%, ash content 15.75%, moisture 12.0%.Throw something and feed every day 3 times, feeding volume is 10% of a prelarva body weight.
Application example:
Adopt 4 kinds of different bait combinations to carry out the contrast experiment, see the following form:
Annotate: W
0Be initial body weight (g), W
tBe whole opisthosoma heavy (g), t
2Be experiment concluding time (d), t
1The experiment time started (d), N
tBe final survival number, N
0Be initial mantissa, AGR is absolute rate of body weight gain, and SGR is specific rate of body weight gain.
A group: bait of the present invention, this bait by weight, thick protein 35.0%, fat 8.5%, ash content 15.75%, moisture 12.0%; The B group: natural bait carries out fortification with chlorella for the wheel animalcule after the 150 mesh sieve bolting silk thin,tough silk filtration of aperture 80 μ m before wheel animalcule is thrown something and fed; The C group: yolk is the common ripe egg yolk of the molten water filtration of 80 mesh sieve thin,tough silk of via hole diameter 200 μ m; D group: natural bait+bait of the present invention, 3～12 ages in days wheel animalcule of throwing something and feeding, 13 ages in days work the bait of the present invention of throwing something and feeding, and bait of the present invention is thick protein 35.0%, fat 8.5%, ash content 15.75%, moisture 12.0% by weight.
This kind method can effectively improve the survival rate of Tilapia mossambica prelarva, promotes the growth of Tilapia mossambica, improves Tilapia mossambica protease, amylase and lipase activity.
Claims (3)
1. a Tilapia mossambica open-mouthed bait is characterized in that this bait contains thick protein 34.5～35.5%, fat 8.0～9.0%, ash content 15.5～16.0% and moisture 11.0～13.0% by weight.
2. Tilapia mossambica open-mouthed bait according to claim 1 is characterized in that this bait contains thick protein 35.0%, fat 8.5%, ash content 15.75% and moisture 12.0% by weight.
3. Tilapia mossambica open-mouthed bait according to claim 1 and 2, the surplus that it is characterized in that this bait can be any auxiliary materials in preparation fish or the poultry feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105474805A CN101971935A (en) | 2010-11-17 | 2010-11-17 | Tilapia mossambica initial bait |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105474805A CN101971935A (en) | 2010-11-17 | 2010-11-17 | Tilapia mossambica initial bait |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101971935A true CN101971935A (en) | 2011-02-16 |
Family
ID=43571871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105474805A Pending CN101971935A (en) | 2010-11-17 | 2010-11-17 | Tilapia mossambica initial bait |
Country Status (1)
| Country | Link |
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| CN (1) | CN101971935A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300234A (en) * | 2012-03-06 | 2013-09-18 | 海南大学 | Lutjanus argentimaculatus compound feed |
| CN113940297A (en) * | 2021-11-24 | 2022-01-18 | 上海海洋大学 | Method for cultivating young fry in biological floc-circulating water relay mode |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101473904A (en) * | 2009-01-19 | 2009-07-08 | 中山大学 | Tilapia feed formula |
-
2010
- 2010-11-17 CN CN2010105474805A patent/CN101971935A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101473904A (en) * | 2009-01-19 | 2009-07-08 | 中山大学 | Tilapia feed formula |
Non-Patent Citations (1)
| Title |
|---|
| 《广东海洋大学学报》 20081231 强俊等 罗非鱼开口饵料的初步研究 90-93 1-3 , 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300234A (en) * | 2012-03-06 | 2013-09-18 | 海南大学 | Lutjanus argentimaculatus compound feed |
| CN113940297A (en) * | 2021-11-24 | 2022-01-18 | 上海海洋大学 | Method for cultivating young fry in biological floc-circulating water relay mode |
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Application publication date: 20110216 |