CN103749360B - A kind of method improving gift tilapia adult fish live transport survival rate - Google Patents
A kind of method improving gift tilapia adult fish live transport survival rate Download PDFInfo
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- CN103749360B CN103749360B CN201410010459.XA CN201410010459A CN103749360B CN 103749360 B CN103749360 B CN 103749360B CN 201410010459 A CN201410010459 A CN 201410010459A CN 103749360 B CN103749360 B CN 103749360B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 present invention discloses a kind of method improving gift tilapia adult fish live transport survival rate, by improving cultivation density and carrying out the anti-oxidant adaptive capacity drawing in the net to increase hormone and level of complement and liver in a short time, raising nonspecific immunity power.The content of albumen, glucose and triglycerides in fish body blood can be improved by the feed of 36% ~ 39% High protein levels of throwing something and feeding before transport, increase energy reserve.Meanwhile, in feed, add the compound houttuynin powder of 0.5% ~ 0.8%, comprise cordate houttuynia, the root of large-flowered skullcap, Radix Isatidis, the capsule of weeping forsythia, honeysuckle etc. in compound houttuynin, the anti-stress ability of fish body can be increased.By water temperature being controlled at 19 DEG C ~ 23 DEG C in transportation, salinity is 8 ‰ ~ 12 ‰, keeps dissolved oxygen sufficient.The while that the metabolic activity of gift tilapia being relatively low, immunity is relatively high, reduces energy loss in transit, reduces the excretion of metabolite, increases anti-stress ability.After said method process, adult fish transportation survival rate and live transport distance all obviously increase.
Description
Technical field
The invention belongs to aquatic animal living body transport technology, be specifically related to a set of method that can improve gift tilapia adult fish live transport survival rate.
Background technology
Tilapia mossambica is the food consumption product in the whole world, and first place, the whole world is sure to occupy in the Tilapia mossambica cultivation of China, there is the resources advantage protruded.China's Tilapia mossambica cultivation spread, have benefited from three factors, one is the popularization of the cultivation-gift tilapia of superior kind, the Growth Op Tilapia of defeating over slowly, the characteristic that dressing percentage is low; Two is popularizations of perfect compound feed, reduces the aquaculture cost of Tilapia mossambica, improves the economic benefit of fisherman; Three is that meat quality of java tilapia nutrition obtains extensive accreditation, and Tilapia mossambica is stung without between flesh, and whole body edible part is more, and the protein content in muscle accounts for about 19.5%, is rich in multiple essential amino acid.Meanwhile, in muscle, fat content is lower, only has about 0.9%, but is rich in multiple polyunsaturated fatty acid.Over nearly 10 years, the market philosophy of Tilapia mossambica, based on international market, is aided with domestic market.But since 2011, low World Economics causes Tilapia mossambica export situation to worsen, and export processing order reduces in a large number, and the side of a pond, Tilapia mossambica main producing region purchasing price continues to fall, the serious contusion enthusiasm of raiser.Therefore, adjustment market philosophy, expands domestic demand and becomes the only way of Tilapia mossambica industry development.Tilapia mossambica cultivation has very strong regionality, mainly concentrates on southern each province (as Guangdong, Guangxi, Hainan etc.), and live fish way far away cost of transportation is high, and survival rate is low is problem in the urgent need to address.
Summary of the invention
In order to solve the problem that gift tilapia adult fish live transport survival rate is low, be difficult to remote long-distance transport.The invention provides a set of method that can improve the remote live transport survival rate of gift tilapia adult fish.Live transport survival rate can greatly be improved, extend transportation range, reduce cost of transportation, improve the economic benefit of raiser.
The present invention for achieving the above object, takes following technical scheme.
Improve a method for gift tilapia adult fish live transport survival rate, extend transportation range, main design thought and routine analyzer comprise the following steps (following steps complete in 8 days before transport starts).
One, density is expanded: will the adult fish of transport be needed to concentrate in net cage, and density is increased by 2 times, the cultivation density of usual adult fish, at 2.2 ~ 3 tails/cubic meter, expands 4.5 tail ~ 6 tail/cubic meters to.
Two, feedstuff feeding: 36% ~ 39% protein level of throwing something and feeding is transported in first 8 days on way far away, wherein adds the feed of the powder of 0.5% ~ 0.8% compound houttuynin particulate abrasive.After being pulverized by compound houttuynin particulate abrasive, the principle of adding 5g ~ 8g compound houttuynin particle powder according to every 1kg feed is added, and throws something and feeds after mixing.Throw something and feed daytime above-mentioned feed 2 times, time interval 7-8 hour, feeding volume is 2% ~ 3% of body weight, throws something and feeds 8 days.
Three, draw in the net stress: every 2 ~ 3 days, when weather is better, carry out that draw in the net stress once, reject the adult fish that vigor is bad or injured;
Four, traffic condition controls, and temperature controls at 19 DEG C ~ 23 DEG C, and salinity is 8 ‰ ~ 12 ‰, keeps dissolved oxygen sufficient.
After said method process, adult fish transportation survival rate and live transport distance all obviously increase.The feed of 36% ~ 39% High protein levels of throwing something and feeding before transport can improve the content of albumen, glucose and triglycerides in fish body blood, increases energy reserve.Meanwhile, in feed, add the compound houttuynin powder of 0.5% ~ 0.8%, comprise cordate houttuynia, the root of large-flowered skullcap, Radix Isatidis, the capsule of weeping forsythia, honeysuckle etc. in compound houttuynin, the anti-stress ability of fish body can be increased.Improve cultivation density and carry out the anti-oxidant adaptive capacity drawing in the net to increase hormone and level of complement and liver in a short time, raising nonspecific immunity power.Water temperature controlled in transportation at 19 DEG C ~ 23 DEG C, salinity is 8 ‰ ~ 12 ‰, keeps dissolved oxygen sufficient.The while that the metabolic activity of gift tilapia being relatively low, immunity is relatively high, reduces energy loss in transit, reduces the excretion of metabolite, increases anti-stress ability.
Beneficial effect of the present invention, thrown something and fed by the high protein feed of the compound houttuynin powder adding 0.5% ~ 0.8%, high density and draw in the net stress, gift tilapia energy reserve and stress reaction can be regulated and controled, increase long-distance transport adaptive capacity.In transit, the metabolism of gift tilapia can be remained on reduced levels by suitable temperature and salinity, reduces the excretion of metabolite, thus improve gift tilapia long-distance transport survival rate, extend transportation range, reduce cost of transportation, improve the economic interests of raiser.
Embodiment
Improve a method for gift tilapia adult fish live transport survival rate, first 8 days of transportation of live fish, adopt following steps.
One, expand density, concentrate in net cage by the adult fish that will transport, density is increased to 2 times of cultivation density before this, and the cultivation density of usual adult fish, at 2.2 ~ 3 tails/cubic meter, expands 4.5 tail ~ 6 tail/cubic meters to.
Two, feedstuff feeding, transports the feed according to following formulated 38% protein level in first 8 days.After compound houttuynin particle mill is crushed into powder, adds the dosage of 0.6g compound houttuynin powder according to 100g feed, wherein comprise cordate houttuynia, the root of large-flowered skullcap, Radix Isatidis, the capsule of weeping forsythia, honeysuckle etc. in compound houttuynin.First compound houttuynin powder is added to the water, after mixing, adds in feed stirs, ensure that powder fully mixes in feed.Feed granulator is made particle, be positioned over shady and cool place air-dry after, for subsequent use in preserving 4 DEG C.Throw something and feed every day above-mentioned feed 2 times (8:00 and 16:00), feeding volume is 2% ~ 3% of body weight, throws something and feeds 8 days.
Three, draw in the net stress, every 2 ~ 3 days, when weather is better, carry out that draw in the net stress be once.Draw in the net carefully to check in process, reject the adult fish that vigor is bad or injured.
Four, traffic condition controls, and utilizes mode on the rocks temperature to be controlled at 19 DEG C ~ 23 DEG C, utilizes the mode of seawater dilution or interpolation sea crystal that salinity is adjusted to 8 ‰ ~ 12 ‰, keeps dissolved oxygen sufficient simultaneously.
After said method process, adult fish transportation survival rate and live transport distance all obviously increase.The 10 hours survival rates of transporting for long-distance are 100%, 15 hours survival rates be 97.2%, 24 hours survival rates is 93.4%.5%, 7.2% and 18% is improve respectively compared with the equal time period before untreated.Calculate with long-distance bus speed 80 kilometers/time, 24h wheeled 1920 kilometers, Guangdong Tilapia mossambica live transport can well be realized to provinces and cities such as area, Jiangsu and Zhejiang Provinces, Anhui, Henan and Hebei, expand domestic market supply further, add the economic benefit of raiser, effectively alleviate the pressure exporting and bring.
Claims (1)
1. improve a method for gift tilapia adult fish live transport survival rate, complete in 8 days before transport starts, comprise the steps:
(1) density is expanded: will the adult fish of transport be needed to concentrate in net cage, and density is expanded to 4.5 tail ~ 6 tail/cubic meters;
(2) feedstuff feeding: transport in first 8 days 36% ~ 39% protein level of throwing something and feeding, wherein add the feed of the powder of 0.5% ~ 0.8% compound houttuynin particulate abrasive;
(3) draw in the net stress: every 2 ~ 3 days, when weather is better, carry out that draw in the net stress once, reject the adult fish that vigor is bad or injured;
(4) traffic condition controls: temperature controls at 19 DEG C ~ 23 DEG C, and salinity is 8 ‰ ~ 12 ‰, keeps dissolved oxygen sufficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410010459.XA CN103749360B (en) | 2014-01-09 | 2014-01-09 | A kind of method improving gift tilapia adult fish live transport survival rate |
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| CN201410010459.XA CN103749360B (en) | 2014-01-09 | 2014-01-09 | A kind of method improving gift tilapia adult fish live transport survival rate |
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| CN103749360A CN103749360A (en) | 2014-04-30 |
| CN103749360B true CN103749360B (en) | 2015-10-21 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221961A (en) * | 2014-09-01 | 2014-12-24 | 陈小洁 | Transportation method for live fish and shellfish |
| CN104798701A (en) * | 2015-03-30 | 2015-07-29 | 朱佳杰 | Long-distance tilapia fry transportation method |
| CN105210948B (en) * | 2015-10-23 | 2018-03-09 | 中国水产科学研究院渔业机械仪器研究所 | A kind of anti allergic reaction processing method before cyprinid fish fishing |
| CN110447768B (en) * | 2019-07-11 | 2023-07-07 | 南京农业大学 | Additive for improving transportation survival rate of live fish and application thereof |
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| CN102919184A (en) * | 2012-11-23 | 2013-02-13 | 广东何氏水产有限公司 | Method for controlling temporary breeding and packing prepared for aquatic product transportation |
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