CN104206335A - Method for culturing rainbow trout with delicious meat - Google Patents
Method for culturing rainbow trout with delicious meat Download PDFInfo
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- CN104206335A CN104206335A CN201410489000.2A CN201410489000A CN104206335A CN 104206335 A CN104206335 A CN 104206335A CN 201410489000 A CN201410489000 A CN 201410489000A CN 104206335 A CN104206335 A CN 104206335A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a method for culturing rainbow trout with delicious meat. The method for culturing the rainbow trout with delicious meat comprises the following steps of (1) selection of a pond; (2) culturing of fries; (3) feeding and management; (4) prevention and control of diseases. The method for culturing the rainbow trout with delicious meat has the advantages that the number of bone spur is less, the meat is delicious, the fishing is easy, and the like.
Description
Technical field
The present invention relates to a kind of rainbow trout cultural method of meat flavour deliciousness.
Background technology
In the mountain stream in North America, river.In Canada, the U.S., part waters, Mexican pacific rim and Colombian river, all there is distribution.Happiness inhabits waters limpid, that water temperature is lower, dissolved oxygen is more, flow is abundant, rainbow trout life limiting temperature 0-30 DEG C, suitable life temperature is 12-18 DEG C, optimum growth temperature 16-18 DEG C, lower than 7 DEG C or during higher than 20 DEG C, anorexia, decreased growth, exceed 24 DEG C and ingest and stop, later weak and dead gradually.It requires high to dissolved oxygen in water.Dissolved oxygen is lethal point lower than 3 mg/litre, occurs that " floating head " starts dead during lower than 4.3 mg/litre.Dissolved oxygen is during lower than 5 mg/litre, and respiratory rate is accelerated.Make rainbow trout in good growth conditions, more than dissolved oxygen is preferably in 6 mg/litre, the above Fast Growth of 9 mg/litre.The suitableeest water quality is: it is 10 mg/litre that biochemical oxygen demand (BOD) is less than.Ammonia nitrogen value is lower than 0.5 mg/litre, pH value 6.5～8.Rainbow trout has land envelope type (living in lake, rivers and creeks throughout one's life) and falls two kinds, extra large type (referring to the rainbow trout (Salmo gairdneri) into sea growth).Both hybrid generations can enter sea.
It is carnivorous that rainbow trout belongs to.Juvenile stage is with zooplankton.Zoobenthos, aquatic insect are main; Adult fish is taking fish, first gram class, shellfish and Lu Sheng and aquatic insect as food, the also raw plant leaf of drinking water and seed.
Summary of the invention
The object of the present invention is to provide that to have spur few, meat flavour deliciousness, the rainbow trout cultural method of a kind of meat flavour deliciousness of advantage such as easily fishes for.
Technical scheme of the present invention is: a kind of rainbow trout cultural method of meat flavour deliciousness, the step of the rainbow trout cultural method of described meat flavour deliciousness comprises: (1) pond is selected: 100～300 square metres of fishpond areas, the depth of water is at 1～1.4 meter, water injection rate is every 1000 square metres of 0.05 flows (50 liters/second), fishpond be shaped as circle, hexagon or rectangle, fishpond Aspect Ratio is generally 1:5～8, the claimed range of water temperature is 7～20 DEG C, fishpond will have into discharge outlet, and barrier net is installed;
(2) fingerling is cultivated: under 15 DEG C of water temperatures, from opening food, need 60 days, under 10 DEG C of water temperatures, need 75 days, the density of parent fish rearing is 5～10 kilograms/square metre;
(3) feeding and management: fishpond back warp often keeps maximum stocking density and good feed efficiency; The complete feed that feed is used, in its nutrient component, crude protein is 40%～45%, and crude fat is 6%～16%, and raw fiber is 2%～14%, ash content 5%～13%, moisture 8%～12%, daily ration of feeding exceedes 3% of fish body gross weight, bait throwing in every day 2～3 times;
(4) disease prevention and cure: pathogenic factor be the peroxide that produces due to fat oxidation in feedstuff poisoning due to, the copper-bath bathing of available 2000 times 1～2 minute, available 4% saline solution embathes 10～15 minutes or embathes 1 hour, the liquor potassic permanganate of concentration with 1/4000 concentration formalin solution and embathe 20～30 minutes, also can embathe 2 minutes with 2% salt solution.
In a preferred embodiment of the present invention, the proportioning of the each composition weight of described complete feed is that crude protein accounts for 45%, and crude fat accounts for 16%, and raw fiber accounts for 14%, and ash accounts for 13%, and moisture accounts for 12%.
In a preferred embodiment of the present invention, described copper-bath comprises copper, sulphur, acid and oxygen.
The rainbow trout cultural method of a kind of meat flavour deliciousness of the present invention, has spur few, and meat flavour deliciousness such as easily fishes at the advantage.
Embodiment
Below in conjunction with preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
In one embodiment, a kind of rainbow trout cultural method of meat flavour deliciousness, the step of the rainbow trout cultural method of described meat flavour deliciousness comprises: (1) pond is selected: 100～300 square metres of fishpond areas, the depth of water is at 1～1.4 meter, and water injection rate is every 1000 square metres of 0.05 flows (50 liters/second), fishpond be shaped as circle, hexagon or rectangle, fishpond Aspect Ratio is generally 1:5～8, the claimed range of water temperature is 7～20 DEG C, and fishpond will have into discharge outlet, and barrier net is installed;
(2) fingerling is cultivated: under 15 DEG C of water temperatures, from opening food, need 60 days, under 10 DEG C of water temperatures, need 75 days, the density of parent fish rearing is 5～10 kilograms/square metre;
(3) feeding and management: fishpond back warp often keeps maximum stocking density and good feed efficiency; The complete feed that feed is used, in its nutrient component, crude protein is 40%～45%, and crude fat is 6%～16%, and raw fiber is 2%～14%, ash content 5%～13%, moisture 8%～12%, daily ration of feeding exceedes 3% of fish body gross weight, bait throwing in every day 2～3 times;
(4) disease prevention and cure: pathogenic factor be the peroxide that produces due to fat oxidation in feedstuff poisoning due to, the copper-bath bathing of available 2000 times 1～2 minute, available 4% saline solution embathes 10～15 minutes or embathes 1 hour, the liquor potassic permanganate of concentration with 1/4000 concentration formalin solution and embathe 20～30 minutes, also can embathe 2 minutes with 2% salt solution.
Further illustrate, the proportioning of the each composition weight of described complete feed is that crude protein accounts for 45%, and crude fat accounts for 16%, and raw fiber accounts for 14%, and ash accounts for 13%, and moisture accounts for 12%, and described copper-bath comprises copper, sulphur, acid and oxygen.
Further illustrating, the control of fish disease is very important in rainbow trout cultivation, especially when high-density rearing, fish disease more easily occurs.Strengthening fish disease prevention and cure, reduce the loss that fish disease causes as far as possible, is improve the survival rate of fish and increase one of important measures of economic benefit.Fish perches in water, and the diagnosis to its disease and treatment are all more difficult, after discovery fish disease, treats, and also can only save not yet morbidity or the lighter fish of the state of an illness and avoid death, and to the fish being in a bad way, often medication is also difficult to prove effective.Therefore control fish disease, key is prevention.Fish disease, by the difference of its cause of disease, is broadly divided into the fish disease that infectious fish disease, invading diseases of fish and other factors cause.The factor that causes rainbow trout morbidity mainly contains biological factor, environmental factor and three aspects of human factor.(1) biological factor rainbow trout common disease majority is that these make the pathogenic biology of rainbow trout be called pathogene by due to various biological infections or invasion and attack fish body.According to current data, rainbow trout pathogene comprises virus, bacterium, fungi, protozoa, worm etc.(2) environmental factor rainbow trout is poecilothermia animal, and body temperature changes with the variation of external condition, and as the sharply variation of water temperature, fish body can not adapt to, and may cause the generation of various diseases.Rainbow trout is in different developmental phases, water temperature be there are certain requirements, water temperature sharply changes, will cause mortality, crawl flows into agricultural water, the pesticide water and the industrial wastewater that contains heavy metal etc. that contain various nitride, can make in pond organic substance too much, water quality degenerates, and causes fish undergrowth or death.(3) fishing for, in transportation, misoperation is easy to cause mechanical injuries to human factor, is very easily subject to the infection of bacterium and water mo(u)ld in water body after fish body is injured.The improper generation that also can cause fish disease of feeding and management.Various nutrient component disequilibriums or lack certain composition in feed, can make rainbow trout generation nutritive disease and can not normal growth, and resistance weakens, easy infection germ or by parasitic infestation.
The prevention of infectious disease: in the middle of rainbow trout disease, fish disease caused by virus threatens maximum.As ipn (infectious pancreatic necrosis) (IPN), contagiosity blood forming organ necrosis (IHN), viral hemorrhagic septicemia (VHS) etc., these diseases are often understood provisions trout industry and are brought serious harm.Therefore, cause the concern of various countries and done a large amount of research work, though various countries propose some prophylactico-therapeutic measuress, poor effect.Above-mentioned three kinds of viral disorders are mainly adopted to preventive measure, to hold the prudent attitude to import eyed eggs, make every effort to purchased from the breeding farm that there is no viral disorder, ovum is disinfected 15 minutes with organic iodine after transporting to, the prevention of nutritive disease: fish pathogenic factor be the peroxide that produces due to fat oxidation in feedstuff poisoning due to, therefore in prevention, not only to focus on the various of manufactured feed material composition, so that the nutrition of multiple feedstuff obtains complementation, quality and the quantity of essential fatty acid in manufactured feed to be focused on simultaneously, in process, antioxidant will be added.In addition, the storage life of manufactured feed can not be long, causes that rainbow trout is poisoning in case fat oxidation produces peroxide.The rainbow trout cultural method that the invention provides a kind of meat flavour deliciousness, has spur few, and meat flavour deliciousness such as easily fishes at the advantage.
The specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention, and the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (3)
1. the rainbow trout cultural method of a meat flavour deliciousness, it is characterized in that: the step of the rainbow trout cultural method of described meat flavour deliciousness comprises: (1) pond is selected: 100～300 square metres of fishpond areas, the depth of water is at 1～1.4 meter, water injection rate is every 1000 square metres of 0.05 flows (50 liters/second), fishpond be shaped as circle, hexagon or rectangle, fishpond Aspect Ratio is generally 1:5～8, the claimed range of water temperature is 7～20 DEG C, fishpond will have into discharge outlet, and barrier net is installed;
(2) fingerling is cultivated: under 15 DEG C of water temperatures, from opening food, need 60 days, under 10 DEG C of water temperatures, need 75 days, the density of parent fish rearing is 5～10 kilograms/square metre;
(3) feeding and management: fishpond back warp often keeps maximum stocking density and good feed efficiency; The complete feed that feed is used, in its nutrient component, crude protein is 40%～45%, and crude fat is 6%～16%, and raw fiber is 2%～14%, ash content 5%～13%, moisture 8%～12%, daily ration of feeding exceedes 3% of fish body gross weight, bait throwing in every day 2～3 times;
(4) disease prevention and cure: pathogenic factor be the peroxide that produces due to fat oxidation in feedstuff poisoning due to, the copper-bath bathing of available 2000 times 1～2 minute, available 4% saline solution embathes 10～15 minutes or embathes 1 hour, the liquor potassic permanganate of concentration with 1/4000 concentration formalin solution and embathe 20～30 minutes, also can embathe 2 minutes with 2% salt solution.
2. the rainbow trout cultural method of meat flavour deliciousness according to claim 1, is characterized in that: the proportioning of the each composition weight of described complete feed is that crude protein accounts for 45%, and crude fat accounts for 16%, and raw fiber accounts for 14%, and ash accounts for 13%, and moisture accounts for 12%.
3. the rainbow trout cultural method of meat flavour deliciousness according to claim 1, is characterized in that: described copper-bath comprises copper, sulphur, acid and oxygen.
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| CN201410489000.2A CN104206335A (en) | 2014-09-23 | 2014-09-23 | Method for culturing rainbow trout with delicious meat |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766716A (en) * | 2016-03-21 | 2016-07-20 | 昆明倘浩水产养殖有限公司 | Aquaculture method of adaptive plateau cold water fish |
| CN105766724A (en) * | 2016-03-19 | 2016-07-20 | 山东东方海洋科技股份有限公司 | Industrialized fry breeding method for marine oncorhynchus mykiss |
| CN106508749A (en) * | 2016-11-17 | 2017-03-22 | 遵义清溪河富源生态渔业发展有限公司 | Breeding method for prolonging service life of rainbow trout |
| CN106508750A (en) * | 2016-11-17 | 2017-03-22 | 遵义清溪河富源生态渔业发展有限公司 | Culture method of rainbow trout |
| CN107242400A (en) * | 2017-07-11 | 2017-10-13 | 浙江丰宇海洋生物制品有限公司 | A kind of method of the molten slurry production phagostimulant of utilization fish |
| CN107333969A (en) * | 2017-07-11 | 2017-11-10 | 浙江丰宇海洋生物制品有限公司 | A kind of phagostimulant using the molten slurry production of fish |
| CN109169429A (en) * | 2018-11-12 | 2019-01-11 | 重庆市七眼泉生态养鱼有限责任公司 | A kind of cultural method of rainbow trout |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766724A (en) * | 2016-03-19 | 2016-07-20 | 山东东方海洋科技股份有限公司 | Industrialized fry breeding method for marine oncorhynchus mykiss |
| CN105766724B (en) * | 2016-03-19 | 2019-03-26 | 山东东方海洋科技股份有限公司 | The factorial seedling-culturing method of marine products rainbow trout |
| CN105766716A (en) * | 2016-03-21 | 2016-07-20 | 昆明倘浩水产养殖有限公司 | Aquaculture method of adaptive plateau cold water fish |
| CN106508749A (en) * | 2016-11-17 | 2017-03-22 | 遵义清溪河富源生态渔业发展有限公司 | Breeding method for prolonging service life of rainbow trout |
| CN106508750A (en) * | 2016-11-17 | 2017-03-22 | 遵义清溪河富源生态渔业发展有限公司 | Culture method of rainbow trout |
| CN107242400A (en) * | 2017-07-11 | 2017-10-13 | 浙江丰宇海洋生物制品有限公司 | A kind of method of the molten slurry production phagostimulant of utilization fish |
| CN107333969A (en) * | 2017-07-11 | 2017-11-10 | 浙江丰宇海洋生物制品有限公司 | A kind of phagostimulant using the molten slurry production of fish |
| CN109169429A (en) * | 2018-11-12 | 2019-01-11 | 重庆市七眼泉生态养鱼有限责任公司 | A kind of cultural method of rainbow trout |
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Application publication date: 20141217 |