CN103734046A - Cultivation method of three-way-cross shrimp seeds - Google Patents
Cultivation method of three-way-cross shrimp seeds Download PDFInfo
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Abstract
Disclosed is a cultivation method of three-way-cross shrimp seeds. The cultivation method includes the steps that firstly, a pond 3 mu-10 mu in area is selected for building a shrimp seed cultivation pond, and a shrimp ditch 1 m in width and 0.2 m to 0.3 m in depth is dug in the center of the bottom of the pond; secondly, the pond is sterilized and is subjected to dry-pond exposure before the shrimp seeds are bred, excessive silt is cleared away, every 70 kg-80 kg quicklime is subjected to slurry forming and is poured into one mu of the pond, the quicklime components vanish ten days later, and then the shrimp seeds are put to be bred; thirdly, breeding is carried out in the form that two-way cultivation is carried out firstly, Tai Lake and Hongze Lake parent shrimps are introduced according to the female-male ratio of 5:1 and are mixed and bred 15 kg per mu, and then three-way cultivation is carried out in the form that group shrimps obtained after cross-cultivating of the Tai Lake and Hongze Lake parent shrimps and local group shrimps are mixed and bred 10 kg per mu according to the female-male ratio of 1:1 during the first ten-day period of the April; fourthly, baits are fed at least one time every day in the young freshwater shrimp cultivation process; fifthly, the shrimp seeds are fished out of the pond, wherein shrimp seeds with the body lengths ranging from 0.8 cm to 1.2 cm can be fished out of the pond after 20 days to 30 days of cultivation or can be cultivated as shrimp species.
Description
Technical field
What the present invention relates to is the breeding method of a seed shrimp seedling, and especially a kind of breeding method of three way cross shrimp seedling belongs to the artificial breeding technique field of shrimp seedling.
Background technology
Freshwater shrimp has another name called river prawn, and the cultural technique of freshwater shrimp belongs to comparatively ripe artificial culture technology, especially take the pond culture of freshwater shrimp for maximum; Shrimp culture technology not only only refers to pure shrimp culture, also comprises and the raising together with of other species, as carried out raising together with of one or more with other fingerling or soft-shelled turtle kind; But the pure technology of supporting or raising together with because of the cultivation habit of different plant species different, thereby raiser is for improving cultivation efficiency, the concrete cultural method of taking also exists difference.But no matter adopt the cultural technique of that freshwater shrimp, the finished product shrimp after final cultivation is still a kind of sterling freshwater shrimp, and the kind of this sterling freshwater shrimp is single, a little less than premunition and high temperature resistance low temperature tolerance ability, cultivation efficiency cannot improve.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and a kind of premunition and high temperature resistance low temperature tolerance ability that can improve shrimp is provided, make finished product shrimp physique long, individual large, output is high, the breeding method of the three way cross shrimp seedling that feed coefficient is low.
The object of the invention is to complete by following technical solution, the breeding method of described three way cross shrimp seedling, this breeding method comprises:
Shrimp seed rearing pond is built in a, selection pond, the area 3-10 mu in pond, and at the bottom of pond, one of central authorities' excavation is wide 1 meter, the Ji Xiagou of dark 0.2-0.3 rice;
B, pond disinfection are done pond to pond and are exposed to the sun before putting shrimp species and shrimp seedling in a suitable place to breed, and clear too much mud is changed the rear full pool spilling head of slurry with 70-80 kilograms of quicklimes for every mu, and after ten days, quicklime composition is put shrimp species in a suitable place to breed after disappearing;
C, put in a suitable place to breed, first carry out binary cultivation, introduce Taihu Lake with Hongchehu Lake parent shrimp male and female than 5:1, every mu of mixing is put 15 kilograms in a suitable place to breed; Ternary is cultivated, in early April by the colony shrimp of Taihu Lake and the hybridization of Hongchehu Lake parent shrimp with local colony shrimp according to 1:1 male and female ratio, according to every mu of mixing, put 10 kilograms in a suitable place to breed;
D, the material of throwing something and feeding, in the cultivating process of the freshwater shrimp young, the bait of at least throwing something and feeding every day one time;
E, shrimp seedling go out pond, generally pass through the cultivation of 20-30 days, and shrimp seedling body reaches 0.8-1.2 centimetre, can go out pond, or transfer shrimp species cultivation to.
The present invention, in step a, arranges shoal on limit, pond, and to make the shoal gradient ratio on limit, pond be 1:2.5; In step b, after pond disinfection, can discharge water, and when discharging water, use 60-80 order nylon silk cover filtering; Separately, before step c, in pond, first plant a small amount of pasture and water.
The throw something and feed material of the present invention in steps d, also comprise: the young of freshwater shrimp be take the planktons such as wheel animalcule as agreeable to the taste material, therefore in shrimp seed rearing process, should note planktonic cultivation, conventionally first 5 days of 1 phase of freshwater shrimp zoea membrane, when shrimp ovum is transparence, when eyespot appears in embryo, cultivate muck 200-300 kilogram or the bio-fertilizer 3-5 kilogram that Chi Keshi becomes thoroughly decomposed, after 5-7 days, have the planktons such as a large amount of wheel animalcules for every mu; The now 1 phase zoea absorption yolk sac nutrition of membrane becomes 2 phase zoeas, just can prey on the agreeable to the taste bait of a large amount of high-qualitys, the metamorphosis of growing of the favourable young, later according to the increase of the growth of freshwater shrimp and food ration, can chase after in time with bio-fertilizer, the plankton that makes to cultivate in pond remains at higher level.
The present invention is in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, conventionally adopt soya-bean milk cultivating method, specifically: 2-3 kilogram of defibrination of every mu of pond use soya bean every day during beginning, full pool spilling head, every day 2-3 time, along with growing up of freshwater shrimp individuality, after one week, every mu of usage amount every day of soya bean increases to 4-5 kilogram;
Or to throw something and feed, flour is stuck with paste, soya-bean cake is stuck with paste or rice bran is stuck with paste, and throws something and feeds twice every day, and bait is thrown on the shoal in pond, and daily ration of feeding is the 15-30% in pond shrimp seedling body weight.
Facts have proved, common shrimp is in early spring and season in late fall, and because sky air Temperature Difference is large, freshwater shrimp there will be large batch of death, and when early spring, temperature was high, if temperature is more than 28C, and temperature drops to below 5C during to evening, and the huge temperature difference makes common freshwater shrimp mortality; But the three way cross shrimp that the present invention cultivates but there will not be death, particularly 7-8 month, hot weather also makes common shrimp lethality high; And death condition does not appear in three way cross shrimp, but food-intake obviously reduces, and three way cross shrimp is compared with common shrimp, and general output can improve 15-20%; Therefore, tool of the present invention be significantly improved premunition and the high temperature resistance low temperature tolerance ability of shrimp, make the physique of finished product shrimp long, and individual large, meat is full, bright in color, the feature such as output is high, and feed coefficient is low.
Embodiment
Below in conjunction with specific embodiment, the present invention is done to detailed introduction: the breeding method of three way cross shrimp seedling of the present invention, this breeding method comprises:
Shrimp seed rearing pond is built in a, selection pond, the area 3-10 mu in pond, and at the bottom of pond, one of central authorities' excavation is wide 1 meter, the Ji Xiagou of dark 0.2-0.3 rice;
B, pond disinfection are done pond to pond and are exposed to the sun before putting shrimp species and shrimp seedling in a suitable place to breed, and clear too much mud is changed the rear full pool spilling head of slurry with 70-80 kilograms of quicklimes for every mu, and after ten days, quicklime composition is put shrimp species in a suitable place to breed after disappearing;
C, put in a suitable place to breed, first carry out binary cultivation, introduce Taihu Lake with Hongchehu Lake parent shrimp male and female than 5:1, every mu of mixing is put 15 kilograms in a suitable place to breed; Ternary is cultivated, in early April by the colony shrimp of Taihu Lake and the hybridization of Hongchehu Lake parent shrimp with local colony shrimp according to 1:1 male and female ratio, according to every mu of mixing, put 10 kilograms in a suitable place to breed;
D, the material of throwing something and feeding, in the cultivating process of the freshwater shrimp young, the bait of at least throwing something and feeding every day one time;
E, shrimp seedling go out pond, generally pass through the cultivation of 20-30 days, and shrimp seedling body reaches 0.8-1.2 centimetre, can go out pond, or transfer shrimp species cultivation to.
The present invention, in step a, arranges shoal on limit, pond, and to make the shoal gradient ratio on limit, pond be 1:2.5; In step b, after pond disinfection, can discharge water, and when discharging water, use 60-80 order nylon silk cover filtering; Separately, before step c, in pond, first plant a small amount of pasture and water.
The throw something and feed material of the present invention in steps d, also comprise: the young of freshwater shrimp be take the planktons such as wheel animalcule as agreeable to the taste material, therefore in shrimp seed rearing process, should note planktonic cultivation, conventionally first 5 days of 1 phase of freshwater shrimp zoea membrane, when shrimp ovum is transparence, when eyespot appears in embryo, cultivate muck 200-300 kilogram or the bio-fertilizer 3-5 kilogram that Chi Keshi becomes thoroughly decomposed, after 5-7 days, have the planktons such as a large amount of wheel animalcules for every mu; The now 1 phase zoea absorption yolk sac nutrition of membrane becomes 2 phase zoeas, just can prey on the agreeable to the taste bait of a large amount of high-qualitys, the metamorphosis of growing of the favourable young, later according to the increase of the growth of freshwater shrimp and food ration, can chase after in time with bio-fertilizer, the plankton that makes to cultivate in pond remains at higher level.
The present invention is in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, conventionally adopt soya-bean milk cultivating method, specifically: 2-3 kilogram of defibrination of every mu of pond use soya bean every day during beginning, full pool spilling head, every day 2-3 time, along with growing up of freshwater shrimp individuality, after one week, every mu of usage amount every day of soya bean increases to 4-5 kilogram;
Or to throw something and feed, flour is stuck with paste, soya-bean cake is stuck with paste or rice bran is stuck with paste, and throws something and feeds twice every day, and bait is thrown on the shoal in pond, and daily ration of feeding is the 15-30% in pond shrimp seedling body weight.
Embodiment 1, the breeding method of three way cross shrimp seedling of the present invention, and this breeding method comprises:
Shrimp seed rearing pond is built in a, selection pond, 3 mu of the areas in pond, and at the bottom of pond, one of central authorities' excavation is wide 1 meter, the Ji Xiagou of dark 0.2 meter;
B, pond disinfection are done pond to pond and are exposed to the sun before putting shrimp species and shrimp seedling in a suitable place to breed, and clear too much mud is changed the rear full pool spilling head of slurry with 70 kilograms of quicklimes for every mu, and after ten days, quicklime composition is put shrimp species in a suitable place to breed after disappearing;
C, put in a suitable place to breed, first carry out binary cultivation, introduce Taihu Lake with Hongchehu Lake parent shrimp male and female than 5:1, every mu of mixing is put 15 kilograms in a suitable place to breed; Ternary is cultivated, in early April by the colony shrimp of Taihu Lake and the hybridization of Hongchehu Lake parent shrimp with local colony shrimp according to 1:1 male and female ratio, according to every mu of mixing, put 10 kilograms in a suitable place to breed;
D, the material of throwing something and feeding, in the cultivating process of the freshwater shrimp young, the bait of at least throwing something and feeding every day one time;
E, shrimp seedling go out pond, and generally, through the cultivation of 20 days, shrimp seedling body reaches 0.8 centimetre, can go out pond, or transfer shrimp species cultivation to.
The present invention, in step a, arranges shoal on limit, pond, and to make the shoal gradient ratio on limit, pond be 1:2.5; In step b, after pond disinfection, can discharge water, and when discharging water with 60 order nylon silk cover filterings; Separately, before step c, in pond, first plant a small amount of pasture and water.
The throw something and feed material of the present invention in steps d, also comprise: the young of freshwater shrimp be take the planktons such as wheel animalcule as agreeable to the taste material, therefore in shrimp seed rearing process, should note planktonic cultivation, conventionally first 5 days of 1 phase of freshwater shrimp zoea membrane, when shrimp ovum is transparence, when eyespot appears in embryo, cultivate 3 kilograms of 200 kilograms, muck that Chi Keshi becomes thoroughly decomposed or bio-fertilizers, after 5 days, have the planktons such as a large amount of wheel animalcules for every mu; The now 1 phase zoea absorption yolk sac nutrition of membrane becomes 2 phase zoeas, just can prey on the agreeable to the taste bait of a large amount of high-qualitys, the metamorphosis of growing of the favourable young, later according to the increase of the growth of freshwater shrimp and food ration, can chase after in time with bio-fertilizer, the plankton that makes to cultivate in pond remains at higher level.
The present invention is in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, conventionally adopt soya-bean milk cultivating method, specifically: 2 kilograms of defibrinations of every mu of pond use soya bean every day during beginning, full pool spilling head, every day 2 times, along with growing up of freshwater shrimp individuality, after one week, every mu of usage amount every day of soya bean increases to 4 kilograms;
Or to throw something and feed, flour is stuck with paste, soya-bean cake is stuck with paste or rice bran is stuck with paste, and throws something and feeds twice every day, and bait is thrown on the shoal in pond, and daily ration of feeding is in 15% of pond shrimp seedling body weight.
Embodiment 2, the breeding method of three way cross shrimp seedling of the present invention, and this breeding method comprises:
Shrimp seed rearing pond is built in a, selection pond, 10 mu of the areas in pond, and at the bottom of pond, one of central authorities' excavation is wide 1 meter, the Ji Xiagou of dark 0.3 meter;
B, pond disinfection are done pond to pond and are exposed to the sun before putting shrimp species and shrimp seedling in a suitable place to breed, and clear too much mud is changed the rear full pool spilling head of slurry with 80 kilograms of quicklimes for every mu, and after ten days, quicklime composition is put shrimp species in a suitable place to breed after disappearing;
C, put in a suitable place to breed, first carry out binary cultivation, introduce Taihu Lake with Hongchehu Lake parent shrimp male and female than 5:1, every mu of mixing is put 15 kilograms in a suitable place to breed; Ternary is cultivated, in early April by the colony shrimp of Taihu Lake and the hybridization of Hongchehu Lake parent shrimp with local colony shrimp according to 1:1 male and female ratio, according to every mu of mixing, put 10 kilograms in a suitable place to breed;
D, the material of throwing something and feeding, in the cultivating process of the freshwater shrimp young, the bait of at least throwing something and feeding every day one time;
E, shrimp seedling go out pond, and generally, through the cultivation of 30 days, shrimp seedling body reaches 1.2 centimetres, can go out pond, or transfer shrimp species cultivation to.
The present invention, in step a, arranges shoal on limit, pond, and to make the shoal gradient ratio on limit, pond be 1:2.5; In step b, after pond disinfection, can discharge water, and when discharging water with 80 order nylon silk cover filterings; Separately, before step c, in pond, first plant a small amount of pasture and water.
The throw something and feed material of the present invention in steps d, also comprise: the young of freshwater shrimp be take the planktons such as wheel animalcule as agreeable to the taste material, therefore in shrimp seed rearing process, should note planktonic cultivation, conventionally first 5 days of 1 phase of freshwater shrimp zoea membrane, when shrimp ovum is transparence, when eyespot appears in embryo, cultivate 5 kilograms of 300 kilograms, muck that Chi Keshi becomes thoroughly decomposed or bio-fertilizers, after 7 days, have the planktons such as a large amount of wheel animalcules for every mu; The now 1 phase zoea absorption yolk sac nutrition of membrane becomes 2 phase zoeas, just can prey on the agreeable to the taste bait of a large amount of high-qualitys, the metamorphosis of growing of the favourable young, later according to the increase of the growth of freshwater shrimp and food ration, can chase after in time with bio-fertilizer, the plankton that makes to cultivate in pond remains at higher level.
The present invention is in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, conventionally adopt soya-bean milk cultivating method, specifically: 3 kilograms of defibrinations of every mu of pond use soya bean every day during beginning, full pool spilling head, every day 3 times, along with growing up of freshwater shrimp individuality, after one week, every mu of usage amount every day of soya bean increases to 5 kilograms;
Or to throw something and feed, flour is stuck with paste, soya-bean cake is stuck with paste or rice bran is stuck with paste, and throws something and feeds twice every day, and bait is thrown on the shoal in pond, and daily ration of feeding is in 30% of pond shrimp seedling body weight.
Embodiment 3, the breeding method of three way cross shrimp seedling of the present invention, and this breeding method comprises:
Shrimp seed rearing pond is built in a, selection pond, 6 mu of the areas in pond, and at the bottom of pond, one of central authorities' excavation is wide 1 meter, the Ji Xiagou of dark 0.25 meter;
B, pond disinfection are done pond to pond and are exposed to the sun before putting shrimp species and shrimp seedling in a suitable place to breed, and clear too much mud is changed the rear full pool spilling head of slurry with 75 kilograms of quicklimes for every mu, and after ten days, quicklime composition is put shrimp species in a suitable place to breed after disappearing;
C, put in a suitable place to breed, first carry out binary cultivation, introduce Taihu Lake with Hongchehu Lake parent shrimp male and female than 5:1, every mu of mixing is put 15 kilograms in a suitable place to breed; Ternary is cultivated, in early April by the colony shrimp of Taihu Lake and the hybridization of Hongchehu Lake parent shrimp with local colony shrimp according to 1:1 male and female ratio, according to every mu of mixing, put 10 kilograms in a suitable place to breed;
D, the material of throwing something and feeding, in the cultivating process of the freshwater shrimp young, the bait of at least throwing something and feeding every day one time;
E, shrimp seedling go out pond, and generally, through the cultivation of 25 days, shrimp seedling body reaches 1 centimetre, can go out pond, or transfer shrimp species cultivation to.
The present invention, in step a, arranges shoal on limit, pond, and to make the shoal gradient ratio on limit, pond be 1:2.5; In step b, after pond disinfection, can discharge water, and when discharging water with 70 order nylon silk cover filterings; Separately, before step c, in pond, first plant a small amount of pasture and water.
The throw something and feed material of the present invention in steps d, also comprise: the young of freshwater shrimp be take the planktons such as wheel animalcule as agreeable to the taste material, therefore in shrimp seed rearing process, should note planktonic cultivation, conventionally first 5 days of 1 phase of freshwater shrimp zoea membrane, when shrimp ovum is transparence, when eyespot appears in embryo, cultivate 4 kilograms of 250 kilograms, muck that Chi Keshi becomes thoroughly decomposed or bio-fertilizers, after 6 days, have the planktons such as a large amount of wheel animalcules for every mu; The now 1 phase zoea absorption yolk sac nutrition of membrane becomes 2 phase zoeas, just can prey on the agreeable to the taste bait of a large amount of high-qualitys, the metamorphosis of growing of the favourable young, later according to the increase of the growth of freshwater shrimp and food ration, can chase after in time with bio-fertilizer, the plankton that makes to cultivate in pond remains at higher level.
The present invention is in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, conventionally adopt soya-bean milk cultivating method, specifically: 2.5 kilograms of defibrinations of every mu of pond use soya bean every day during beginning, full pool spilling head, every day 2 times, along with growing up of freshwater shrimp individuality, after one week, every mu of usage amount every day of soya bean increases to 4.5 kilograms;
Or to throw something and feed, flour is stuck with paste, soya-bean cake is stuck with paste or rice bran is stuck with paste, and throws something and feeds twice every day, and bait is thrown on the shoal in pond, and daily ration of feeding is in 22% of pond shrimp seedling body weight.
Claims (4)
1. a breeding method for three way cross shrimp seedling, is characterized in that this breeding method comprises:
Shrimp seed rearing pond is built in a, selection pond, the area 3-10 mu in pond, and at the bottom of pond, one of central authorities' excavation is wide 1 meter, the Ji Xiagou of dark 0.2-0.3 rice;
B, pond disinfection are done pond to pond and are exposed to the sun before putting shrimp species and shrimp seedling in a suitable place to breed, and clear too much mud is changed the rear full pool spilling head of slurry with 70-80 kilograms of quicklimes for every mu, and after ten days, quicklime composition is put shrimp species in a suitable place to breed after disappearing;
C, put in a suitable place to breed, first carry out binary cultivation, introduce Taihu Lake with Hongchehu Lake parent shrimp male and female than 5:1, every mu of mixing is put 15 kilograms in a suitable place to breed; Ternary is cultivated, in early April by the colony shrimp of Taihu Lake and the hybridization of Hongchehu Lake parent shrimp with local colony shrimp according to 1:1 male and female ratio, according to every mu of mixing, put 10 kilograms in a suitable place to breed;
D, the material of throwing something and feeding, in the cultivating process of the freshwater shrimp young, the bait of at least throwing something and feeding every day one time;
E, shrimp seedling go out pond, generally pass through the cultivation of 20-30 days, and shrimp seedling body reaches 0.8-1.2 centimetre, can go out pond, or transfer shrimp species cultivation to.
2. the breeding method of three way cross shrimp seedling according to claim 1, is characterized in that: in step a, on limit, pond, shoal is set, and to make the shoal gradient ratio on limit, pond be 1:2.5; In step b, after pond disinfection, can discharge water, and when discharging water, use 60-80 order nylon silk cover filtering; Separately, before step c, in pond, first plant a small amount of pasture and water.
3. the breeding method of three way cross shrimp seedling according to claim 1, it is characterized in that: the material of throwing something and feeding in steps d, also comprise: the young of freshwater shrimp be take the planktons such as wheel animalcule as agreeable to the taste material, therefore in shrimp seed rearing process, should note planktonic cultivation, conventionally first 5 days of 1 phase of freshwater shrimp zoea membrane, when shrimp ovum is transparence, while there is eyespot in embryo, cultivate muck 200-300 kilogram or the bio-fertilizer 3-5 kilogram that Chi Keshi becomes thoroughly decomposed, after 5-7 days, have the planktons such as a large amount of wheel animalcules for every mu; The now 1 phase zoea absorption yolk sac nutrition of membrane becomes 2 phase zoeas, just can prey on the agreeable to the taste bait of a large amount of high-qualitys, the metamorphosis of growing of the favourable young, later according to the increase of the growth of freshwater shrimp and food ration, can chase after in time with bio-fertilizer, the plankton that makes to cultivate in pond remains at higher level.
4. the breeding method of three way cross shrimp seedling according to claim 3, it is characterized in that: in steps d, in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, conventionally adopt soya-bean milk cultivating method, specifically: 2-3 kilogram of defibrination of every mu of pond use soya bean every day during beginning, full pool spilling head, every day 2-3 time, along with growing up of freshwater shrimp individuality, after one week, every mu of usage amount every day of soya bean increases to 4-5 kilogram;
The breeding method of three way cross shrimp seedling according to claim 3, it is characterized in that: in steps d, in freshwater shrimp larval culture process, except natural bait is cultivated in fertilising, also need to feed intake, to throw something and feed, flour is stuck with paste, soya-bean cake is stuck with paste or rice bran is stuck with paste, and throws something and feeds every day twice, bait is thrown on the shoal in pond, and daily ration of feeding is the 15-30% in pond shrimp seedling body weight.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115067280A (en) * | 2022-05-30 | 2022-09-20 | 上海市水产研究所（上海市水产技术推广站） | Three-line crossbreeding method for macrobrachium nipponense |
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| CN103734046B (en) | 2016-08-17 |
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Address after: 313200 Shuangqiao Village, Xiazhuhu street, Deqing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Wuyue Agriculture Co.,Ltd. Address before: 313221 Shuangqiao Village, Sanhe Township, Deqing County, Huzhou City, Zhejiang Province Patentee before: DEQING WUYUE AQUACULTURE Co.,Ltd. |
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Denomination of invention: A breeding method of three way hybrid shrimp Effective date of registration: 20210527 Granted publication date: 20160817 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Huzhou Deqing small and micro enterprise franchise sub branch Pledgor: Zhejiang Wuyue Agriculture Co.,Ltd. Registration number: Y2021330000471 |