CN110178769A - The method of small melonworm bionomic control - Google Patents

The method of small melonworm bionomic control Download PDF

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CN110178769A
CN110178769A CN201910543213.1A CN201910543213A CN110178769A CN 110178769 A CN110178769 A CN 110178769A CN 201910543213 A CN201910543213 A CN 201910543213A CN 110178769 A CN110178769 A CN 110178769A
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water
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CN110178769B (en
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张伟刚
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Guilin Small Pond Agriculture And Animal Husbandry Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • A01K61/13Prevention or treatment of fish diseases
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
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    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/28Asteraceae or Compositae (Aster or Sunflower family), e.g. chamomile, feverfew, yarrow or echinacea
    • A61K36/282Artemisia, e.g. wormwood or sagebrush
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/58Meliaceae (Chinaberry or Mahogany family), e.g. Azadirachta (neem)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/81Solanaceae (Potato family), e.g. tobacco, nightshade, tomato, belladonna, capsicum or jimsonweed
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/88Liliopsida (monocotyledons)
    • A61K36/906Zingiberaceae (Ginger family)
    • A61K36/9068Zingiber, e.g. garden ginger
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    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract

The invention discloses a kind of methods of small melonworm bionomic control, belong to aquaculture field.The following steps are included: disinfection of thoroughly being cleaned up the pond with quick lime, when water inlet, need to be put into fry, be put into 25000 tail of fry of single tail 0.7-1.2g weight per acre by filtering for control method of the invention;The overwintering immunity for stopping adding Chinese medicine nutritional preparation enhancing fish body before expecting for 20-30 days in feed.0.8-2 meters of deep fish ponds use 2-5kg compound formulation per acre, and compound formulation is connected water band slag and is uniformly splashed into fish pond, paddle aerator is opened and runs 8-15h;Ich can be cured using 5-15 days by continuously repeating.The method of small melonworm bionomic control of the invention, it is easy to operate, totle drilling cost is lower, the preparation used does not pollute breeding water body, it is high to the ich cure rate of fish body, the generation of enteritis and gill rot can also be prevented simultaneously, and suitable for different type water body ich prevention and treatment, with splendid promotional value.

Description

The method of small melonworm bionomic control
Technical field
The present invention relates to aquaculture fields, more particularly to a kind of method of small melonworm bionomic control.
Background technique
After the small melonworm of infection of marine fishes, body surface will appear many small particles, be attached in fish body, so ich is also known as " ichthyophthirius ".The fish body for suffering from ich is characterized in that the tissues such as fish body table oedema de- glutinous (easy desquamation), the hyperemia of gill portion, fin ray increase It is raw, form macroscopic small particles (cyst).Ich is a kind of pandemic disease, and there are prevalence, worm in all parts of the country For body to host's non-selectivity, various fresh-water fishes can be parasitic, and without apparent age difference, the fish in each age can be parasitic, and main Harm kind fish.The suitable water temperature of small melonworm is 15-25 DEG C, which is popular in early winter, late spring.Southern area is generally in late October Take place, no intermediate host, propagates by cyst and its larva, easily fall ill when fish body is thin and weak, the concurrent other diseases of meeting, such as: Enteritis, and will appear the phenomenon of large quantities of death after 3-4 days, huge loss is brought to raiser.
Fish disease has become the bottleneck of culture fishery sustainable development, and various antibiotic have been widely used.However, The use of antibiotic can bring certain side effect to aquatic ecosystem and fish body quality.Chinese herbal feed additive has medicine The advantages that source is extensively, efficient, drug resistance is not significant, toxic side effect is small, in preventing and curing of fish disease, in addition to having pharmacological property and trophism concurrently Outside, also have effects that improve aquatic livestock production performance and efficiency of feed utilization, so be increasingly taken seriously, using also increasingly Extensively.
Summary of the invention
It is an object of that present invention to provide a kind of methods of small melonworm bionomic control, are controlled with solving ich in fish culture More the technical issues of rate is low, is susceptible to suffer from enteritis and gill rot after fish body infection ich.
For this purpose, the present invention proposes following scheme:
A kind of method of small melonworm bionomic control, control method the following steps are included:
S1: being cleaned up the pond disinfection with quick lime, and when water inlet need to be put into fry by filtering, is put into single tail 0.7-1.2g weight per acre 25000 tail of fry;The overwintering immunity for stopping adding Chinese medicine nutritional preparation enhancing fish body before expecting for 20-30 days in feed;
S2: 0.8-2 meters of deep fish ponds use 2-5kg compound formulation per acre, by compound formulation connect water band slag uniformly splash to In fish pond, opens paddle aerator and run 8-15h;
S3: continuously repeating the method for step S2 5-15 days, and the shoal of fish starts normally to feed, and cyst gradually falls off with fish body Afterwards, water quality stabilizer is added.
Preferably, it is filtered into described in step S1 into water and carries out double medium filtration by 60-100 mesh thin,tough silk.
Preferably, the Chinese medicine nutritional preparation includes following components: three 14-20 parts of blooms, winter as unit of parts by weight It is 8-12 parts sub-, 5-9 parts of Chinese scholartree, 2-6 parts of multi-vitamins.
Preferably, the compound formulation is as unit of parts by weight, including following raw material: 18-30 parts of capsicum, ginger 18-30 Part, 13-21 parts of natant salvinia herb, 8-16 parts of sweet wormwood, 2-7 parts of China tree.
Preferably, the compound formulation is as unit of parts by weight, including following raw material: 23 parts of capsicum, 23 parts of ginger, centipede 17 parts of duckweed, 11 parts of sweet wormwood, 4 parts of China tree.
Preferably, the preparation method of the compound formulation, comprising the following steps:
S1: capsicum and ginger are added in grinder by weight 1:1, are ground 15-30min, are obtained mixture A;
S2: mixture A, sweet wormwood, China tree, natant salvinia herb and water 25-30kg are added in iron pan and are boiled, is first heated to boiling 2-10min is kept, compound formulation is being can be obtained into after 70-85 DEG C of holding 45-80min, the natural cooling that takes the dish out of the pot in temperature control.
Preferably, the capsicum is one or both of capsicum annum fasciculatum and millet starch.
Preferably, temperature is controlled in 77 DEG C of holding 60min in step S2.
Preferably, the water body stabilizer is made of black earth essence and Water warfare diatomite.
Preferably, in 0.8-2 meters of fish pond, black earth essence uses 400-500g per acre, and Water warfare diatomite uses per acre 900-1100g。
The beneficial effect of the present invention compared with the prior art includes:
1. it can be seen that, using the fish pond of embodiment 1-4 method, illness rate, gill rot rate and the death of ich by table 1 Rate is extremely low, and wherein embodiment 4 is optimum embodiment;Illness rate, gill rot rate and the death rate average value of embodiment 1-4 is respectively 0.083%, 0.098% and 0.045%.In the fish pond using comparative example 1-5 method, compound formulation component lacks a certain component Have an impact to illness rate, gill rot rate and the death rate;Compound formulation is not used in comparative example 6, Chinese medicine nutrition is not used in comparative example 7 In the pond of preparation, numerical value of the illness rate than comparative example 1-5 increases 2 times or more, and gill rot rate then increases 3 times or more, death Rate then increases 8 times or more;It is compared with the average value of embodiment 1-4 illness rate, gill rot rate and the death rate, comparative example 6,7 illness Rate, gill rot rate and the death rate are even more to increase 100 times or more.According to 10 yuan/kg of finished product Pelteobagrus fulvidraco market price, every tail weight average The case where 150g, calculates, and is per acre 1846 tails because suffering from ich death mantissa in the case where normally cultivation in comparative example 8 (7.384% × 25000=1846) loses 2769 yuan (1846 × 150 1000 × 10=2769 of ÷) per acre, it is seen that uses this hair Bright Ecological preventive way can greatly reduce ich bring economic loss.
2. as shown in Table 2,4 groups of results of embodiment are preferable, the illness rate of Pelteobagrus fulvidraco is 14%, and cure rate has reached 100%; The average value of comparative example 1-5 illness rate and cure rate is respectively 28%, 84%,;Pelteobagrus fulvidraco answers under control group simulating natural environment The case where to ich, illness rate 60%, cure rate are only 57%.The test can illustrate the compound system that the present invention uses Agent can effectively cure ich, also demonstrate again that and lack some group branch in compound formulation to the therapeutic effect of ich It is influenced.
3. ich prevention and treatment in, compared with the prior art in only use one of capsicum and ginger or two kinds of groups Point, and the method only just treated in morbidity, what the present invention used adds Chinese medicine nutritional preparation in feed, in morbidity It is treated using compound formulation, and applies the control method of water quality stabilizer in time after the shoal of fish is acted normally, can not only shifted to an earlier date The immunocompetence for improving cultured fishes can also prevent illness outbreak when ich occurs and effectively cure fish body of catching an illness, also Can occur to avoid other diseases such as enteritis, gill rots, play the role of integrated control.
Specific embodiment
Invention is further described in detail With reference to embodiment.It is emphasized that following the description is only It is merely exemplary, the range and its application being not intended to be limiting of the invention.
In a specific embodiment, cultivation place is Lingui area, hazard prevention, bight village cultivation base, the town Si Tang, cultivation Fish are Pelteobagrus fulvidraco, using Guangdong sea board black earth essence, use 400 type Water warfare diatoms of Hebei Jin Yang Mineral Products Trade Co., Ltd Soil.
Embodiment 1
A kind of method of small melonworm bionomic control, control method the following steps are included:
S1: being cleaned up the pond disinfection with quick lime, and when water inlet need to be put into fry, often by carrying out double medium filtration by 60 mesh thin,tough silk Mu is put into 25000 tail of fry of single tail 0.71-1.09g weight;It is overwintering to stop expecting that adding Chinese medicine nutritional preparation in feed within first 30 days increases The immunity of strong fish body;
S2: fish pond uses 2kg compound formulation per acre, and compound formulation is connected water band slag and is uniformly splashed into fish pond, leaf is opened Wheel type aerator runs 8h;
S3: continuously repeating the method for step S2 5 days, and the shoal of fish starts normally to feed, and after cyst gradually falls off with fish body, adds Enter water quality stabilizer.
The Chinese medicine nutritional preparation, as unit of parts by weight include following components: three 14 parts of blooms, the winter son 8 parts, 5 parts of Chinese scholartree, 2 parts of multi-vitamins (vitamin b, c, d, e respectively contain 25%).
The compound formulation is as unit of parts by weight, including following raw material: 18 parts of capsicum, 18 parts of ginger, 13 parts of natant salvinia herb, 8 parts of sweet wormwood, 2 parts of China tree.
The preparation method of the compound formulation, comprising the following steps:
S1: capsicum annum fasciculatum and ginger are added in grinder by weight 1:1, are ground 15min, are obtained mixture A;
S2: being added to mixture A, sweet wormwood, China tree, natant salvinia herb and water 25kg in iron pan and boil, is first heated to boiling and protects 5min is held, compound formulation is being can be obtained into after 70 DEG C of holding 45min, the natural cooling that takes the dish out of the pot in temperature control.
The water body stabilizer is made of black earth essence and Water warfare diatomite, and black earth essence uses 400g, Water warfare per acre Diatomite uses 900g per acre.
0.92-1.23 meters of the fish pond depth.
Embodiment 2
A kind of method of small melonworm bionomic control, control method the following steps are included:
S1: being cleaned up the pond disinfection with quick lime, and when water inlet need to carry out double medium filtration by 60 mesh thin,tough silk, is put into fry, be put per acre Enter 25000 tail of fry of single tail 0.86-1.17g weight;It is overwintering to stop expecting to add within first 30 days Chinese medicine nutritional preparation enhancing fish in feed The immunity of body;
S2: fish pond uses 2kg compound formulation per acre, and compound formulation is connected water band slag and is uniformly splashed into fish pond, leaf is opened Wheel type aerator runs 8h;
S3: continuously repeating the method for step S2 10 days, and the shoal of fish starts normally to feed, after cyst gradually falls off with fish body, Water quality stabilizer is added.
The Chinese medicine nutritional preparation, as unit of parts by weight include following components: three 14 parts of blooms, the winter son 8 parts, 5 parts of Chinese scholartree, 2 parts of multi-vitamins (vitamin b, c, d, e respectively contain 25%).
The compound formulation is as unit of parts by weight, including following raw material: 18 parts of capsicum, 18 parts of ginger, 13 parts of natant salvinia herb, 8 parts of sweet wormwood, 2 parts of China tree.
The preparation method of the compound formulation, comprising the following steps:
S1: capsicum annum fasciculatum, millet starch and ginger are added in grinder by the weight ratio 1:1 of two kinds of capsicums and ginger, grinding 15min obtains mixture A;
S2: being added to mixture A, sweet wormwood, China tree, natant salvinia herb and water 25kg in iron pan and boil, is first heated to boiling and protects 5min is held, compound formulation is being can be obtained into after 70 DEG C of holding 45min, the natural cooling that takes the dish out of the pot in temperature control.
The water body stabilizer is made of black earth essence and Water warfare diatomite, and black earth essence uses 400g, Water warfare per acre Diatomite uses 900g per acre.
1.08-1.48 meters of the fish pond depth.
Embodiment 3
A kind of method of small melonworm bionomic control, control method the following steps are included:
S1: being cleaned up the pond disinfection with quick lime, and when water inlet need to be sieved with 100 mesh sieve thin,tough silk and carry out double medium filtration, is put into fry, is put per acre Enter 25000 tail of fry of single tail 0.83-1.04g weight;It is overwintering to stop expecting to add within first 30 days Chinese medicine nutritional preparation enhancing fish in feed The immunity of body;
S2: fish pond uses 5kg compound formulation per acre, and compound formulation is connected water band slag and is uniformly splashed into fish pond, leaf is opened Wheel type aerator runs 15h;
S3: continuously repeating the method for step S2 15 days, and the shoal of fish starts normally to feed, after cyst gradually falls off with fish body, Water quality stabilizer is added.
The Chinese medicine nutritional preparation, as unit of parts by weight include following components: three 20 parts of blooms, the winter son 12 parts, 9 parts of ground Chinese scholartree, 6 parts of multi-vitamins (vitamin b, c, d, e respectively contain 25%).
The compound formulation is as unit of parts by weight, including following raw material: 30 parts of capsicum, 30 parts of ginger, 21 parts of natant salvinia herb, 16 parts of sweet wormwood, 7 parts of China tree.
The preparation method of the compound formulation, comprising the following steps:
S1: millet starch and ginger are added in grinder by weight 1:1, are ground 30min, are obtained mixture A;
S2: being added to mixture A, sweet wormwood, China tree, natant salvinia herb and water 30kg in iron pan and boil, is first heated to boiling and protects 5min is held, compound formulation is being can be obtained into after 85 DEG C of holding 80min, the natural cooling that takes the dish out of the pot in temperature control.
The water body stabilizer is made of black earth essence and Water warfare diatomite, and black earth essence uses 500g, Water warfare per acre Diatomite uses 1100g per acre.
0.92-1.25 meters of the fish pond depth.
Embodiment 4
A kind of method of small melonworm bionomic control, control method the following steps are included:
S1: being cleaned up the pond disinfection with quick lime, and when water inlet need to be put into fry, be put into single tail 0.75-1.13g per acre by filtering 25000 tail of fry of weight;It is overwintering to stop expecting the first 30 days immunity for adding Chinese medicine nutritional preparation enhancing fish body in feed;
S2: fish pond uses 3kg compound formulation per acre, and compound formulation is connected water band slag and is uniformly splashed into fish pond, leaf is opened Wheel type aerator runs 11h;
S3: continuously repeating the method for step S2 8 days, and the shoal of fish starts normally to feed, and after cyst gradually falls off with fish body, adds Enter water quality stabilizer.
Preferably, it is filtered into described in step S1 into water and is sieved with 100 mesh sieve thin,tough silk progress double medium filtration.
Preferably, the Chinese medicine nutritional preparation, include following components as unit of parts by weight: three 18 parts of blooms, winter are equal Son 10 parts, 7 parts of Chinese scholartree, 3 parts of multi-vitamins (vitamin b, c, d, e respectively contain 25%).
The compound formulation is as unit of parts by weight, including following raw material: 23 parts of capsicum, 23 parts of ginger, 17 parts of natant salvinia herb, 11 parts of sweet wormwood, 4 parts of China tree.
The preparation method of the compound formulation, comprising the following steps:
S1: capsicum annum fasciculatum and ginger are added in grinder by weight 1:1, are ground 20min, are obtained mixture A;
S2: being added to mixture A, sweet wormwood, China tree, natant salvinia herb and water 27kg in iron pan and boil, is first heated to boiling and protects 5min is held, compound formulation is being can be obtained into after 77 DEG C of holding 60min, the natural cooling that takes the dish out of the pot in temperature control.
The water body stabilizer is made of black earth essence and Water warfare diatomite, and black earth essence uses 460g, Water warfare per acre Diatomite uses 1040g per acre.
0.84-1.31 meters of the fish pond depth.
Comparative example 1
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike Capsicum is not added in compound formulation component.
Comparative example 2
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike Ginger is not added in compound formulation component.
Comparative example 3
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike Natant salvinia herb is not added in compound formulation component.
Comparative example 4
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike Sweet wormwood is not added in compound formulation component.
Comparative example 5
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike China tree is not added in compound formulation component.
Comparative example 6
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike Compound formulation is not used.
Comparative example 7
Each component and each component parts by weight, preparation step and operating method are substantially the same manner as Example 4, have only unlike Chinese medicine nutritional preparation is not added in feed.
Comparative example 8
Method of the invention is not used, is cleaned up the pond with quick lime and normally launches the fry cultivation of same size and quantity after sterilizing The fish pond of management only uses step S3 in the preparation method of 4 compound formulation of embodiment with conical redpepper fruit after finding ich Process is to boil water, after connect water band slag uniformly splash into fish pond, per acre use 3kg, then open paddle aerator run 11h.
To using the fish pond of embodiment 1-4, comparative example 1-8 method to carry out observation in 6 months, every 10 days of each fish pond is random It inspects 200 tail fishes by random samples to be observed, 3600 tails are spot-check in every pond, and statistics obtains the ich illness rate and gill rot in selective examination mantissa Rate;It can be confirmed as ich infection death according to the dead fish body external appearance characteristic of salvaging, obtain ich in 25000 tail fishes The data of the death rate, it is specific as shown in table 1.
The illness rate and the death rate of each fish pond ich of table 1
The fish pond of embodiment 1-4 method, illness rate, gill rot rate and the death rate of ich it can be seen that, are used by table 1 Extremely low, wherein embodiment 4 is optimum embodiment;Illness rate, gill rot rate and the death rate average value of embodiment 1-4 is respectively 0.083%, 0.098% and 0.045%.In the fish pond using comparative example 1-5 method, compound formulation component lacks a certain component Have an impact to illness rate, gill rot rate and the death rate;Compound formulation is not used in comparative example 6, Chinese medicine nutrition is not used in comparative example 7 In the pond of preparation, numerical value of the illness rate than comparative example 1-5 increases 2 times or more, and gill rot rate then increases 3 times or more, death Rate then increases 8 times or more;It is compared with the average value of embodiment 1-4 illness rate, gill rot rate and the death rate, comparative example 6,7 illness Rate, gill rot rate and the death rate are even more to increase 100 times or more.According to 50 yuan/kg of finished product Pelteobagrus fulvidraco market price, every tail weight average The case where 150g, calculates, and is per acre 1846 tails because suffering from ich death mantissa in the case where normally cultivation in comparative example 8 (7.384% × 25000=1846) loses 13845 yuan (1846 × 150 1000 × 50=13845 of ÷) per acre, it is seen that uses this The Ecological preventive way of invention can greatly reduce ich bring economic loss.
The Pelteobagrus fulvidraco for choosing 350 tail 150g normally cultivated or so is divided into 7 groups, every group of 50 tails, artificially by ich disease Substance is added in each group, respectively with embodiment 4, comparative example 1-5 control method in obtained compound formulation and user Method is raised, and control group is not used any control method and normally raises, and test result is obtained after 10 days, as shown in table 2.
2 each group ich illness number of table and healing number situation
As shown in Table 2,4 groups of results of embodiment are preferable, and the illness rate of Pelteobagrus fulvidraco is 14%, and cure rate has reached 100%;It is right The average value of ratio 1-5 illness rate and cure rate is respectively 28%, 84%,;Pelteobagrus fulvidraco is coped under control group simulating natural environment The case where ich, illness rate 60%, cure rate are only 57%.The test can illustrate the compound formulation that the present invention uses Ich can be effectively cured, also demonstrates again that lacking some group branch in compound formulation has the therapeutic effect of ich It is influenced.
Ich prevention and treatment in, compared with the prior art in only use one of capsicum and ginger or two kinds of components, And the method only just treated in morbidity, what the present invention used adds Chinese medicine nutritional preparation in feed, makes in morbidity It is treated with compound formulation, and applies the control method of water quality stabilizer in time after the shoal of fish is acted normally, can not only mentioned in advance The immunocompetence of high cultured fishes can also prevent illness outbreak when ich occurs and effectively cure fish body of catching an illness, may be used also To avoid the appearance of the other diseases such as enteritis, play the role of integrated control.
The above content is combine it is specific/further detailed description of the invention for preferred embodiment, cannot Assert that specific implementation of the invention is only limited to these instructions.General technical staff of the technical field of the invention is come It says, without departing from the inventive concept of the premise, some replacements or modifications can also be made to the embodiment that these have been described, And these substitutions or variant all shall be regarded as belonging to protection scope of the present invention.

Claims (10)

1. a kind of method of small melonworm bionomic control, which is characterized in that control method the following steps are included:
S1: being cleaned up the pond disinfection with quick lime, and when water inlet need to be put into fry by filtering, is put into the fish of single tail 0.7-1.2g weight per acre Seedling 19000-28000 tail;The overwintering immunity for stopping adding Chinese medicine nutritional preparation enhancing fish body before expecting for 20-30 days in feed;
S2: 0.8-2 meters of deep fish ponds use 2-5kg compound formulation per acre, and compound formulation is connected water band slag and is uniformly splashed to fish pond In, it opens paddle aerator and runs 8-15h;
S3: continuously repeating the method for step S2 5-15 days, and the shoal of fish starts normally to feed, and after cyst gradually falls off with fish body, adds Enter water quality stabilizer.
2. the method for small melonworm bionomic control as described in claim 1, which is characterized in that be filtered into described in step S1 into water Double medium filtration is carried out by 60-100 mesh thin,tough silk.
3. the method for small melonworm bionomic control as described in claim 1, which is characterized in that the Chinese medicine nutritional preparation, with Parts by weight are that unit includes following components: three 14-20 parts of blooms, winter be 8-12 parts sub-, 5-9 parts of Chinese scholartree, multi-vitamins 2-6 Part.
4. the method for small melonworm bionomic control as described in claim 1, which is characterized in that the compound formulation is with parts by weight For unit, including following raw material: 18-30 parts of capsicum, 18-30 parts of ginger, 13-21 parts of natant salvinia herb, 8-16 parts of sweet wormwood, 2-7 parts of China tree.
5. the method for small melonworm bionomic control as claimed in claim 4, which is characterized in that the compound formulation is with parts by weight For unit, including following raw material: 23 parts of capsicum, 23 parts of ginger, 17 parts of natant salvinia herb, 11 parts of sweet wormwood, 4 parts of China tree.
6. the method for small melonworm bionomic control as described in claim 4 or 5, which is characterized in that the preparation of the compound formulation Method, comprising the following steps:
S1: capsicum and ginger are added in grinder by weight 1:1, are ground 15-30min, are obtained mixture A;
S2: being added to mixture A, sweet wormwood, China tree, natant salvinia herb and water 25-30kg in iron pan and boil, is first heated to boiling and keeps Compound formulation is can be obtained after 70-85 DEG C of holding 45-80min, the natural cooling that takes the dish out of the pot in temperature control by 2-10min.
7. the method for small melonworm bionomic control as claimed in claim 6, which is characterized in that the capsicum is capsicum annum fasciculatum and small One or both of rice green pepper.
8. the method for small melonworm bionomic control as claimed in claim 6, which is characterized in that control temperature 77 in step S2 DEG C keep 60min.
9. the method for small melonworm bionomic control as described in claim 1, which is characterized in that the water body stabilizer is by black earth Essence and Water warfare diatomite composition.
10. the method for small melonworm bionomic control as claimed in claim 9, which is characterized in that black in 0.8-2 meters of fish pond Native essence uses 400-500g per acre, and Water warfare diatomite uses 900-1100g per acre.
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