CN107581110B - Method for supplying Opisthophilus maculatum Regans initial bait - Google Patents
Method for supplying Opisthophilus maculatum Regans initial bait Download PDFInfo
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- CN107581110B CN107581110B CN201711058261.9A CN201711058261A CN107581110B CN 107581110 B CN107581110 B CN 107581110B CN 201711058261 A CN201711058261 A CN 201711058261A CN 107581110 B CN107581110 B CN 107581110B
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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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- 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 provides a supply method of Glyptosternum maculatum Regan initial bait, which comprises the following steps: on the 10 th day after the pelage comes out, the larval fish starts floating upwards, and the larval fish is fed with the hatched fairy shrimp; feeding rainbow trout hatch powder 20 days after film emergence; feeding the minced red nematode 35 days after the emergence of the film; and starting 60 days after the film comes out, mixing the rainbow trout, the pork liver and the red line worms, kneading the mixture into a ball, and feeding the ball to a place where the fry is focused. Successfully solves the problem of the initial bait of the Glyptosternum maculatum fries, and can obviously improve the survival rate of the fries.
Description
Technical Field
The invention relates to the technical field of fish culture, in particular to a method for supplying a Glyptosternum maculatum Regan initial bait.
Background
Glyptosternum maculatum (Glyptosternum maculatum) is only distributed in the river system of Yalu Tibetan province in China, belongs to the order Viridae (Siluriformes), Glyptosternum family (Sisoridae) and Glyptosternum genus (Glyptosternum), is the only species distributed in China among 3 species of known fishes in the genus Glyptosternum maculatum, and plays an important role in phylogenetic research of Glyptosternum maculatum family in China. The Glyptosternum maculatum Regan has delicious taste, fine and smooth meat quality and better mouthfeel, can be used as a medicine in Tibetan medicine, has edible and medicinal values, has the selling price which is increased year by year, can reach 1700 plus 2600 yuan/Kg in the current market, and has considerable economic value. In recent years, the population quantity of Glyptosternum maculatum Regans in the wild continues to decrease due to the influence of human activities on the living environment and excessive fishing. After 1443 kinds of inland fishes known in China are scientifically evaluated by the ministry of environmental protection and the academy of sciences of China, 56 extremely-dangerous (CR) fish lists are published in 2015, Glyptosternum maculatum is one of the three, and the Glyptosternum maculatum is listed in the Red book of biological diversity of China-vertebrate roll, which is also the only species with the grade being extremely-dangerous in 77 Glyptosternum family known in China at present.
In order to protect, develop and utilize the precious resource, research works of artificial breeding of Glyptosternum maculatum Regans have been successively carried out by some scientific research teams in China and minority farms in Tibet in 2004 to date, but the technique of opening fry and domesticating juvenile fish is the bottleneck of research.
Disclosure of Invention
In order to solve the problem of opening of Glyptosternum maculatum Regan, the invention aims to provide a method for supplying the opening bait of Glyptosternum maculatum Regan, successfully solves the problem of the opening bait of Glyptosternum maculatum Regan fries, and can remarkably improve the survival rate of the fries.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for supplying a Glyptosternum maculatum Regan initial bait comprises the following steps:
on the 10 th day after the pelage comes out, the larval fish starts floating upwards, and the larval fish is fed with the hatched fairy shrimp; feeding at any time to ensure that the fairy shrimp exist in the parallel grooves at any time;
feeding rainbow trout hatch powder 20 days after film emergence;
preferably, the bait is fed once every two hours, 6 times a day, and 1 hour later, the residual bait is cleaned, and the bait is fed with patience according to eating conditions.
Feeding the minced red nematode 35 days after the emergence of the film;
preferably, the feed is fed once every two hours, 6 times a day and evenly sprinkled into the parallel grooves.
And starting 60 days after the film comes out, mixing the rainbow trout, the pork liver and the red line worm, kneading the mixture into a thumb-sized ball, and feeding the ball to a place where the fry is focused.
Preferably, the mixing ratio of the rainbow trout feed, the pork liver and the red nematode is 2:1: 1.
Researches show that the Glyptosternum maculatum Regan is a heterotrophic benthic fish with a preference for feeding, the number of fed bait varieties is more than 40, and the fish, particularly plateau loach, is the most main bait, and algae, and is oligotrichia and organic debris again. Therefore, the rainbow trout feed, the pork liver and the red line worms are adopted according to the proportion of 2:1:1, the design of the initial feed is more biased to the feeding feed, and the palatability of the feed is considered.
Preferably, the red nematodes are cultivated in clean water for two days, then soaked in saline for half an hour, and then chopped for feeding.
The invention has the beneficial effects that:
1. the general artificial domestication is mainly powder, but Glyptosternum maculatum Regans is a partiality feeding fish, the F1 generation has stronger wild property, the design of initial feed is more partiality to the partiality feeding, and the palatability of the feed is considered, so the rainbow trout feed, the pork liver and the red line worm are mixed and fed according to the proportion of 2:1:1 by adopting a mixed domestication feeding mode, and the feeding condition of the fry is good.
2. The rainbow trout hatch powder and the red line worms are fed once every two hours for 6 times every day, so that as many Glyptosternum maculatum fries as possible eat food, and the residual bait is cleaned after 1 hour of feeding, thereby preventing the bait from influencing water quality.
3. The red nematodes are bred in clean water for two days before feeding, and then soaked in saline for half an hour, so as to ensure the cleanness of baits, and the chopping is performed for the palatability of the baits, namely the size is suitable for feeding seedlings.
Detailed Description
The substance of the present invention will be described in further detail with reference to the following embodiments.
Example 1
The method for supplying the Glyptosternum maculatum Regan initial bait comprises the following steps:
on the 10 th day after the pelage comes out, the larval fish starts floating upwards, and the larval fish is fed with the hatched fairy shrimp; feeding at any time to ensure that the fairy shrimp exist in the parallel grooves at any time;
feeding rainbow trout hatch powder 20 days after film emergence;
feeding the minced red nematode 35 days after the emergence of the film;
and starting 60 days after the film comes out, mixing the rainbow trout, the pork liver and the red line worms, kneading the mixture into a ball, and feeding the ball to a place where the fry is focused.
Example 2
This example is based on example 1:
the mixing ratio of the rainbow trout feed, the pork liver and the red nematodes is 2:1: 1.
Example 3
This example is based on example 1:
the mixing ratio of the rainbow trout feed, the pork liver and the red nematodes is 2:1: 1.
The rainbow trout hatch powder is fed once every two hours for 6 times every day, and the residual bait is cleaned after 1 hour of feeding.
Example 4
This example is based on example 1:
the mixing ratio of the rainbow trout feed, the pork liver and the red nematodes is 2:1: 1.
The rainbow trout hatch powder is fed once every two hours for 6 times every day, and the residual bait is cleaned after 1 hour of feeding.
The red line worms are fed once every two hours, 6 times a day and uniformly sprinkled into the parallel grooves.
Example 5
This example is based on example 1:
the mixing ratio of the rainbow trout feed, the pork liver and the red nematodes is 2:1: 1.
The rainbow trout hatch powder is fed once every two hours for 6 times every day, and the residual bait is cleaned after 1 hour of feeding.
The red line worms are fed once every two hours, 6 times a day and uniformly sprinkled into the parallel grooves.
The red nematodes are bred in clear water for two days, soaked in saline water for half an hour, chopped and fed.
Until now in 2004, some scientific research teams in China and few farms in Tibet successively develop the artificial breeding research work of Glyptosternum maculatum, but the opening of fry and the domestication technology of young fishes are the bottleneck of research. The invention successfully solves the problem, establishes a Glyptosternum maculatum Regan initial feed supply mode through research and development, and proves that the artificial induced spawning and breeding of Glyptosternum maculatum Regan is successfully realized through the field identification of multiple experts in China, and obtains staged success on the initial research of the fry, thereby achieving breakthrough progress of the artificial breeding technology research of the Glyptosternum maculatum Regan.
TABLE 1 indoor large-scale seed culture results of Glyptosternum maculatum
As shown in Table 1, the length and body weight of the Glyptosternum maculatum Regans larvae at the beginning of the test were (9.93. + -. 0.14) mm and 0.0052g, respectively; after 60 days of artificial domestication, the body length and the body weight are respectively increased to 21.8mm and 0.53g, and the sustainable growth rate SGR is 0.097. Under the condition, the survival rate of the culture of the glyptosternum maculatum fries is 70 percent.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. The method for supplying the Glyptosternum maculatum Regan initial bait is characterized by comprising the following steps:
on the 10 th day after the pelage comes out, the larval fish starts floating upwards, and the larval fish is fed with the hatched fairy shrimp; feeding at any time to ensure that the fairy shrimp exist in the parallel grooves at any time;
feeding rainbow trout hatch powder 20 days after film emergence;
feeding the minced red nematode 35 days after the emergence of the film;
mixing rainbow trout, pork liver and red line worm 60 days after film emergence, kneading into a ball, and feeding, wherein the ball is fed at the place where the fry is focused; the mixing ratio of the rainbow trout feed, the pork liver and the red nematodes is 2:1: 1.
2. The method for supplying a Opisthopkis maculatum opening bait according to claim 1, wherein the Opisthopkis maculatum opening powder is fed once every two hours, 6 times per day, and 1 hour later, the residual bait is cleaned.
3. The method for supplying a starter bait to Glyptophan maculatum Regans according to claim 1, wherein the Glyptophan maculatum Regans is fed every two hours, 6 times a day, and uniformly sprinkled into the flat tank.
4. The method for supplying a starter bait to Glyptosternum maculatum Regans according to claim 1, wherein the Glyptophan maculatum Regans is cultured with clear water for two days, then soaked with salt water for half an hour, and then chopped for feeding.
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| CN107581110B true CN107581110B (en) | 2020-07-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111567450A (en) * | 2020-05-12 | 2020-08-25 | 中国水产科学研究院黑龙江水产研究所 | Artificial induced spawning and low-temperature seed culture method of Glyptosternum maculatum |
| CN112772470B (en) * | 2020-12-31 | 2022-07-19 | 中国水产科学研究院黑龙江水产研究所 | Artificial cultivation method of juvenile glyptosternum maculatum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651216A (en) * | 2013-12-18 | 2014-03-26 | 华中农业大学 | Method for cultivating glyptosternum maculatum fries and fingerlings through artificial feed |
| CN104642229A (en) * | 2015-03-12 | 2015-05-27 | 中国水产科学研究院长江水产研究所 | Method for transporting and domesticating plateau fish seedlings |
| CN105248336A (en) * | 2015-11-26 | 2016-01-20 | 西藏自治区农牧科学院 | Artificial breeding method for glyptosternon maculatum |
| CN106577374A (en) * | 2016-11-09 | 2017-04-26 | 中国水产科学研究院长江水产研究所 | Domesticating method for wild euchiloglanis kishinouyei |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651216A (en) * | 2013-12-18 | 2014-03-26 | 华中农业大学 | Method for cultivating glyptosternum maculatum fries and fingerlings through artificial feed |
| CN104642229A (en) * | 2015-03-12 | 2015-05-27 | 中国水产科学研究院长江水产研究所 | Method for transporting and domesticating plateau fish seedlings |
| CN105248336A (en) * | 2015-11-26 | 2016-01-20 | 西藏自治区农牧科学院 | Artificial breeding method for glyptosternon maculatum |
| CN106577374A (en) * | 2016-11-09 | 2017-04-26 | 中国水产科学研究院长江水产研究所 | Domesticating method for wild euchiloglanis kishinouyei |
Non-Patent Citations (2)
| Title |
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| 我区黑斑原鮡人工繁育取得突破性进展;中国藏族网通;《URL:https://www.tibet3.com/news/content/2015-08/29/content_1877386.htm》;20150829;第2段 * |
| 黑斑原鮡的生物学研究进展;陈美群等;《安徽农业科学》;20161231;全文 * |
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