CN103238563A - Method for promoting female and male parent giant salamanders to synchronously mature - Google Patents
Method for promoting female and male parent giant salamanders to synchronously mature Download PDFInfo
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- CN103238563A CN103238563A CN2013101642523A CN201310164252A CN103238563A CN 103238563 A CN103238563 A CN 103238563A CN 2013101642523 A CN2013101642523 A CN 2013101642523A CN 201310164252 A CN201310164252 A CN 201310164252A CN 103238563 A CN103238563 A CN 103238563A
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Abstract
The invention belongs to the field of animal husbandry, and particularly relates to a method for promoting female and male parent giant salamanders to synchronously mature. The method is suitable for artificial rearing of giant salamanders. The method is characterized by being realized through the following mode: firstly, selecting sexually-mature parent giant salamanders, and artificially domesticating the parent giant salamanders to enable the same to be capable of taking in food initiatively; and secondly, feeding spawning-inducing medicine to the artificially-domesticated parent giant salamanders from the middle of August to the beginning of September in each year, wherein the spawning-inducing medicine is prepared by mixing luteinizing hormone releasing hormone analogs (LHR-A), human chorionic gonadotrophin (HCG) for fishes and carp pituitary glands. The method of feeding the spawning-inducing medicine is adopted to promote sexual glands of the parent giant salamanders to mature, so that sperm producing amount of male parent giant salamanders is increased by at least 35%, sperm activity is improved by more than 40%, egg laying amount of female parent giant salamanders is increased, and success rate of artificial fertilization is increased by more than 85%.
Description
Technical field
The invention belongs to the animal-breeding field, relate in particular to a kind of be applicable to the artificial feeding giant salamander impel the synchronous fully-developed method of giant salamander parent population male and female.
Background technology
Giant salamander is commonly called as the giant salamander, is national two classes protection aqua-marine life, and its growth is fast, and the giant salamander delicious meat is of high nutritive value, and tonic effect is strong, has very high edibility and medical value.Therefore, culture giant salamander and have very considerable economic and social benefit.
The female parent population of giant salamander is at the 7-8 in every year month gonadal maturation; begin ovulation; yet the male parent population gonad development of giant salamander is slow, often can not reach maturity synchronously with female parent population; cause giant salamander male and female parent population gonad development imbalance; and the asynchronous percentage of ripened grains of giant salamander male and female parent population sexual gland has caused female salamander maturation sometimes up to 80%, can not find male salamander female salamander is matched fertilization; have a strong impact on the reproduction rate of giant salamander, brought difficulty for protection of resources and the breed of giant salamander.
Summary of the invention
The objective of the invention is to change deficiency of the prior art and provide a kind of be applicable to the artificial feeding giant salamander impel the synchronous fully-developed method of giant salamander parent population male and female.
The technical solution adopted in the present invention:
A kind of synchronous fully-developed method of giant salamander parent population male and female of impelling is characterized in that: realize in the following manner:
Step 1, choose sexual maturity giant salamander parent population, and it is carried out the domestication, make it have the ability of initiatively ingesting;
Step 2, between annual mid-August to early September, begin the giant salamander parent population through the domestication is carried out the feeding oxytocic drug, fed a medicine every three days, discontinue medication to 1 year 7-8 month giant salamander male and female parent population gonadal maturation, oxytocic drug is mixed with human chorionic gonadtropin (HCG) and carp brain hypophysis by luteinizing hormone-releasing hormone analog (LRH-A), fish and forms.
Dose to giant salamander parent population feeding oxytocic drug is decided according to the body weight of giant salamander, and LRH-A is that 80-130ug/kg, HCG are that 900-1200IU/kg, carp brain hypophysis are 1-2 grain/kg, and is identical to the dose of giant salamander male and female parent population feeding oxytocic drug.
Dose to giant salamander parent population feeding oxytocic drug is decided according to the body weight of giant salamander, and LRH-A is that 100ug/kg, HCG are that 1000IU/kg, carp brain hypophysis are 2/kg, and is identical to the dose of giant salamander male and female parent population feeding oxytocic drug.
Described oxytocic drug incapsulates and is prepared into capsule preparations, when the giant salamander parent population is carried out medication, places the fresh fish piece to throw something and feed capsule plug to the giant salamander parent population.
During the giant salamander parent population carried out the feeding oxytocic drug, the water temperature of the water environment of control giant salamander parent population existence was at 20-23 ℃.
Beneficial effect of the present invention: the present invention adopts the method for oxytocic drug feeding to promote giant salamander parent population gonadal maturation, promoted the giant salamander male and female parent population ratio of maturation synchronously, between the mid-August to early September in every year, utilize the inventive method to begin giant salamander male and female parent population is hastened parturition, can reach maturity synchronously to the 7-8 month giant salamander male and female parent population sexual gland in 1 year; The present invention has also increased male parent population and has produced smart amount and strengthen sperm viability, having increased female parent population egg laying amount, improved the success rate of artificial insemination, is that male parent population produces smart rate increase at least 35%, sperm viability strengthens more than 40%, and the artificial insemination success rate is brought up to more than 85%; In addition, the present invention adopts the method for throwing something and feeding to give giant salamander parent population feeding oxytocic drug, and the physical injury of having avoided injection that giant salamander is caused has been eliminated giant salamander because being subjected to the dead possibility of physical injury; The technology of the present invention method is simple, implements simple and convenient.
Embodiment
A kind of synchronous fully-developed method of giant salamander parent population male and female of impelling is characterized in that: realize in the following manner:
Step 1, choose sexual maturity giant salamander parent population, and it is carried out the domestication, make it have the ability of initiatively ingesting;
Step 2, between annual mid-August to early September, begin the giant salamander parent population through the domestication is carried out the feeding oxytocic drug, fed a medicine every three days, discontinue medication to 1 year 7-8 month giant salamander male and female parent population gonadal maturation, oxytocic drug is mixed with human chorionic gonadtropin (HCG) and carp brain hypophysis by luteinizing hormone-releasing hormone analog (LRH-A), fish and forms.
Dose to giant salamander parent population feeding oxytocic drug is decided according to the body weight of giant salamander, and LRH-A is that 100ug/kg, HCG are that 1000IU/kg, carp brain hypophysis are 2/kg, and is identical to the dose of giant salamander male and female parent population feeding oxytocic drug.
Described oxytocic drug incapsulates and is prepared into capsule preparations, when the giant salamander parent population is carried out medication, places the fresh fish piece to throw something and feed capsule plug to the giant salamander parent population.
During the giant salamander parent population carried out the feeding oxytocic drug, the water temperature of the water environment of control giant salamander parent population existence was at 20-23 ℃.
Raising condition and method:
Select above giant salamander male and female parent population in 4 ages, get final product the same with method of conventional cultivation environmental condition of feeding environment and raising method and giant salamander, below with 5 age giant salamander be example, each cultures the male female parent population of the giant salamander of raising of the same age and equal number in the pond, water temperature control is at 20-23 ℃, between the mid-August to early September in every year, use the inventive method to begin giant salamander male and female parent population is hastened parturition, to the female parent population gonadal maturation of 7-8 month giant salamander in 1 year, be that the result who hastens parturition is carried out statistic record as table 1:
Table 1
| Hasten parturition the date | Water temperature | Giant salamander parent population number (female/hero) | Average weight (kg) | Obtain and produce number (female/hero) | Obtain productive rate %(female/hero) |
| August 20 in 2009 | 20 | 100（50/50） | 6.85 | 93（47/46） | 93（94/92） |
| August 18 in 2010 | 21 | 100（50/50） | 6.9 | 92（45/47） | 92（90/94） |
| August 25 in 2011 | 22 | 100（50/50） | 6.89 | 95（48/47） | 95（96/94） |
| August 23 in 2012 | 23 | 100（50/50） | 7.05 | 89（45/44） | 89（90/88） |
Giant salamander parent population gonad development period, water temperature also is an important factor in order of the growth of giant salamander parent population and gonad development, generally in growth more than 12 ℃, if water temperature is lower than 12 ℃, the giant salamander food ration descends and begins to enter " hibernation ", the suitable water temperature range of giant salamander growth and gonad development is at 16-25 ℃, if water temperature is higher than 26 ℃, the giant salamander food ration descends, more than 28 ℃, giant salamander will enter " aestivation ", so water temperature also has great influence to the growth of giant salamander parent population sexual gland, by giant salamander male and female gonad development situation under 16-23 ℃ of water temperature is observed, obtain table 2:
Table 2
| Hasten parturition the date | Water temperature ℃ | Giant salamander parent population number (female/hero) | Average weight | Obtain and produce number (female/hero) | Obtain productive rate (female/hero) |
| August 18 in 2011 | 16 | 20（10/10） | 7.03 | 5（2/3） | 25（20/30） |
| August 18 in 2011 | 17 | 20（10/10） | 6.91 | 7（4/3） | 35（40/30） |
| August 18 in 2011 | 18 | 20（10/10） | 6.89 | 10（4/6） | 50（40/60） |
| August 18 in 2011 | 19 | 20（10/10） | 6.95 | 13（8/5） | 65（80/50） |
| August 18 in 2011 | 20 | 20（10/10） | 7.05 | 14（8/6） | 70（80/60） |
| August 18 in 2011 | 21 | 20（10/10） | 6.98 | 19（9/10） | 95（90/100） |
| August 18 in 2011 | 22 | 20（10/10） | 7.01 | 18（9/9） | 90（90/90） |
| August 18 in 2011 | 23 | 20（10/10） | 7.1 | 19（10/9） | 95（100/90） |
The giant salamander parent population is hastened parturition the water environment water temperature control of giant salamander existence in the process in the time of 20-23 ℃ as can be seen from Table 2, giant salamander parent population gonad development is very fast, maturation early, associative list 1 data result, the water temperature control of the water environment of surviving when the giant salamander parent population is hastened parturition is at 20-23 ℃, be conducive to the growth of giant salamander and reaching maturity of sexual gland, improve the success rate of giant salamander parent population artificial insemination.
In late August, 2011, choose the female male parent population of 50 tails giant salamander in 7 age and do the realization object, the male parent population of each 25 tail giant salamander of experimental group and control group, the control group sexual gland is reached maturity naturally, the experimental group giant salamander adopts the inventive method to hasten parturition, 1 year 7-8 month compared two groups of gonad maturity rates greater than male parent population, sperm, sperm viability and artificial insemination success rate, the gonad maturity rate of the male parent population of experimental group giant salamander is 100% as a result, and the gonad maturity rate of the male parent population of giant salamander of control group has only 25%; The male parent population of experimental group giant salamander on average increases about 80% than the sperm of the male parent population of control group giant salamander; Sperm viability is strengthened to 70%, and the sperm viability of the male giant salamander parent population of control group has only about 26%; The fertilization success rate that is used for artificial insemination improves more than 85% than control group.
Claims (5)
1. one kind is impelled the synchronous fully-developed method of giant salamander parent population male and female, it is characterized in that: realize in the following manner:
Step 1, choose sexual maturity giant salamander parent population, and it is carried out the domestication, make it have the ability of initiatively ingesting;
Step 2, between annual mid-August to early September, begin the giant salamander parent population through the domestication is carried out the feeding oxytocic drug, fed a medicine every three days, discontinue medication to 1 year 7-8 month giant salamander male and female parent population gonadal maturation, oxytocic drug is mixed with human chorionic gonadtropin (HCG) and carp brain hypophysis by luteinizing hormone-releasing hormone analog (LRH-A), fish and forms.
2. the synchronous fully-developed method of giant salamander parent population male and female of impelling according to claim 1, it is characterized in that: the dose to giant salamander parent population feeding oxytocic drug is decided according to the body weight of giant salamander, LRH-A is that 80-130ug/kg, HCG are that 900-1200IU/kg, carp brain hypophysis are 1-2 grain/kg, and is identical to the dose of giant salamander male and female parent population feeding oxytocic drug.
3. the synchronous fully-developed method of giant salamander parent population male and female of impelling according to claim 1 and 2, it is characterized in that: the dose to giant salamander parent population feeding oxytocic drug is decided according to the body weight of giant salamander, LRH-A is that 100ug/kg, HCG are that 1000IU/kg, carp brain hypophysis are 2/kg, and is identical to the dose of giant salamander male and female parent population feeding oxytocic drug.
4. the synchronous fully-developed method of giant salamander parent population male and female of impelling according to claim 1, it is characterized in that: described oxytocic drug incapsulates and is prepared into capsule preparations, when the giant salamander parent population is carried out medication, place the fresh fish piece to throw something and feed capsule plug to the giant salamander parent population.
5. the synchronous fully-developed method of giant salamander parent population male and female of impelling according to claim 1 is characterized in that: during the giant salamander parent population was carried out the feeding oxytocic drug, the water temperature of the water environment of control giant salamander parent population existence was at 20-23 ℃.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604790A (en) * | 2014-01-07 | 2015-05-13 | 安徽省农业科学院水产研究所 | Method of breeding giant salamander in tunnels |
| CN105210986A (en) * | 2015-09-28 | 2016-01-06 | 湖南亿年酉鱼农牧渔业发展有限公司 | A kind of raising method extending giant salamander kind salamander breeding age |
| CN107182928A (en) * | 2017-06-20 | 2017-09-22 | 金寨县胜华娃娃鱼开发有限公司 | Solve giant salamander and propagate the nonsynchronous method of male and female sexal maturity artificially |
| CN110622917A (en) * | 2019-10-14 | 2019-12-31 | 长阳黎维大鲵养殖有限公司 | Device suitable for giant salamander active predation medicine capsules and using method |
| CN110622891A (en) * | 2019-10-30 | 2019-12-31 | 成都鲵肽生物科技有限公司 | Glyptophan glyptosum bionic artificial propagation method for precious fishes |
| CN111296331A (en) * | 2020-03-09 | 2020-06-19 | 广西壮族自治区水产科学研究院 | Artificial breeding and seedling raising method for pelteobagrus fulvidraco |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604790A (en) * | 2014-01-07 | 2015-05-13 | 安徽省农业科学院水产研究所 | Method of breeding giant salamander in tunnels |
| CN105210986A (en) * | 2015-09-28 | 2016-01-06 | 湖南亿年酉鱼农牧渔业发展有限公司 | A kind of raising method extending giant salamander kind salamander breeding age |
| CN105210986B (en) * | 2015-09-28 | 2017-06-30 | 湖南亿年酉鱼农牧渔业发展有限公司 | A kind of method for breeding for extending giant salamander kind salamander breeding age |
| CN107182928A (en) * | 2017-06-20 | 2017-09-22 | 金寨县胜华娃娃鱼开发有限公司 | Solve giant salamander and propagate the nonsynchronous method of male and female sexal maturity artificially |
| CN110622917A (en) * | 2019-10-14 | 2019-12-31 | 长阳黎维大鲵养殖有限公司 | Device suitable for giant salamander active predation medicine capsules and using method |
| CN110622917B (en) * | 2019-10-14 | 2023-05-02 | 长阳黎维大鲵养殖有限公司 | Device suitable for giant salamander active predatory drug capsules and application method |
| CN110622891A (en) * | 2019-10-30 | 2019-12-31 | 成都鲵肽生物科技有限公司 | Glyptophan glyptosum bionic artificial propagation method for precious fishes |
| CN111296331A (en) * | 2020-03-09 | 2020-06-19 | 广西壮族自治区水产科学研究院 | Artificial breeding and seedling raising method for pelteobagrus fulvidraco |
| CN111296331B (en) * | 2020-03-09 | 2022-05-13 | 广西壮族自治区水产科学研究院 | Artificial breeding and seedling raising method for pelteobagrus fulvidraco |
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Application publication date: 20130814 |