CN103749431A - Unfreezing liquid for frozen equine animal embryo, and preparation method and application thereof - Google Patents
Unfreezing liquid for frozen equine animal embryo, and preparation method and application thereof Download PDFInfo
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- CN103749431A CN103749431A CN201310588328.5A CN201310588328A CN103749431A CN 103749431 A CN103749431 A CN 103749431A CN 201310588328 A CN201310588328 A CN 201310588328A CN 103749431 A CN103749431 A CN 103749431A
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Abstract
The invention discloses an unfreezing liquid for frozen equine animal embryos, and a preparation method and application thereof. The unfreezing liquid includes a sodium lactate mixed solution, penicillin, streptomycin, and one, two or three selected from bovine serum albumin, calf serum and inactivated equine serum. The preparation method includes the steps of: placing the sodium lactate mixed solution in a thermostat at 37 DEG C for 0.5-6 h for standby; and adding penicillin, streptomycin and one, two or three selected from bovine serum albumin, calf serum and inactivated equine serum into the sodium lactate mixed solution in accordance with the component contents, so as to obtain the unfreezing liquid for frozen embryos. The unfreezing liquid is suitable for non-surgical method for embryo transplantation of horses, cattle and donkeys. The invention has the beneficial effects of convenience for material acquisition, low price, simple preparation and convenience for usage, is very suitable for scale production of non-surgical method for embryo transplantation of equine animals, and is favorable for popularization and application of embryo transplantation technology.
Description
Technical field
The invention belongs to animal embryo fields of implantation, particularly relate to a kind of equus embryo cryopreservation thawing solution and compound method and application.
Background technology
Embryo Cryopreservation Technology is that embryo and freezing liquid are packed in cryovial, through a kind of method that (embryos of 2-3 days) and quick (blastaeas of 5-6 days) two kinds of cooling methods make embryo can staticly get off and can preserve in the liquid nitrogen of-196 degree at a slow speed.In the process of embryo transplantation, if there is the good embryo of remaining quality, can freezingly preserve, until after free period or artificial cycle thaw after in implanted device uterine cavity, the chance that increase is become pregnant.
Embryo cryopreservation thawing solution, is in the process of embryo thawing, for embryo carries the nutrient liquid of protectiveness.At present to the preservation of embryo cryopreservation thawing solution, rarely have people to report both at home and abroad.Particularly domestic, the research of the embryo cryopreservation thawing solution that equus is relevant is almost nil.And import embryo cryopreservation thawing solution is expensive, and its formulated process is loaded down with trivial details.
Summary of the invention
In order to solve traditional embryo cryopreservation thawing solution medicine source difficulty, expensive, preparation steps is loaded down with trivial details and need the problems such as matching while using, the invention provides a kind of equus Nonoperative method embryo transplantation embryo cryopreservation thawing solution and compound method and application that is applicable to large-scale production.
In order to realize foregoing invention object, the invention provides a kind of equus embryo cryopreservation thawing solution, described thawing solution comprises sodium lactate mixed liquor, penicillin, streptomycin, and the one, two or three in bovine serum albumin(BSA) or calf serum or deactivation horse serum.
Described sodium lactate mixed liquor comprises one or more in sodium lactate, sodium chloride, potassium chloride, calcium chloride, magnesium chloride and astragalus polyose.
In described embryo cryopreservation thawing solution, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain penicillin 30-180 ten thousand units, streptomycin 20-200 ten thousand units, and bovine serum albumin(BSA) 0.05%-1.5%, calf serum 0.5%-15% and/or deactivation horse serum 0.5%-14%.Wherein, the percentage of described seralbumin, described calf serum and described deactivation horse serum is percent by volume.
In described embryo cryopreservation thawing solution, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain penicillin 50-150 ten thousand units, streptomycin 50-150 ten thousand units, and bovine serum albumin(BSA) 0.1%-0.9%, calf serum 1%-10% and/or deactivation horse serum 1%-10%.Wherein, the percentage of described seralbumin, described calf serum and described deactivation horse serum is percent by volume.
In described sodium lactate mixed liquor, the content of each component is: in every 1000ml mixed liquor, contain sodium lactate 1-7g, sodium chloride 1-5g, potassium chloride 2-7g, calcium chloride 0.5-2g, magnesium chloride 0.05-0.5g and astragalus polyose 0.01-0.3g.
In described sodium lactate mixed liquor, the content of each component is preferably: in every 1000ml mixed liquor, contain sodium lactate 3-7g, sodium chloride 2-5g, potassium chloride 3-7g, calcium chloride 0.5-1.5g, magnesium chloride 0.1-0.4g and astragalus polyose 0.01-0.1g.
In described sodium lactate mixed liquor, the content of each component can also be preferably: in every 1000ml mixed liquor, contain sodium lactate 5.4g, sodium chloride 3.2g, potassium chloride 4.6g, calcium chloride 1.1g, magnesium chloride 0.32g and astragalus polyose 0.08g.
In order better to realize foregoing invention object, the present invention also provides a kind of compound method of equus embryo cryopreservation thawing solution, comprising:
(1) according to the content of each component, take sodium lactate, sodium chloride, potassium chloride, calcium chloride and magnesium chloride, and add distilled water to mix, be placed in behind 37 ℃ insulating box 0.5-6 hour, standby;
(2) take astragalus polyose and put into aseptic beaker, in aseptic beaker, add the mixed liquor obtaining in step (1), stir astragalus polyose is fully dissolved, obtain sodium lactate mixed liquor;
(3), before embryo thawing, according to constituent content, to one or both or three kinds that add in sodium lactate mixed liquor in penicillin, streptomycin and bovine serum albumin(BSA), calf serum and deactivation horse serum, can obtain preserving liquid.
Equus embryo cryopreservation thawing solution of the present invention is applicable to the Nonoperative method embryo transfer technology of horse, ox, donkey.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: the present invention is using sodium lactate mixed liquor as main liquid, can prepare in advance stand-byly, before using, only need in main liquid, add appropriate antibiotic and bovine serum albumin(BSA) or calf serum or deactivation horse serum.Have draw materials conveniently, cheap, prepare the advantages such as simple, easy to use, be highly suitable for the large-scale production of equus Nonoperative method embryo transplantation, be conducive to applying of embryo transfer technology.
embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
A kind of equus embryo cryopreservation thawing solution, comprises that 5000ml sodium lactate mixed liquor is as main liquid, and every 1000ml sodium lactate mixed liquor contains the calf serum that 500,000 unit penicillin, 500,000 unit streptomycins and percent by volume are 10%.
Take sodium lactate 27g, sodium chloride 16g, potassium chloride 23g, calcium chloride 5.5g and magnesium chloride 1.6g, add 5000ml distilled water to mix, be placed in the insulating box of 37 ℃ after 6 hours, standby; Take astragalus polyose 0.4g and put into aseptic beaker, in aseptic beaker, join in standby mixed liquor, stir astragalus polyose is fully dissolved, obtain sodium lactate mixed liquor; Embryo cryopreservation according to constituent content, adds penicillin, streptomycin and calf serum before preserving in sodium lactate mixed liquor, can obtain embryo cryopreservation thawing solution.
Use the present embodiment embryo cryopreservation thawing solution to thaw to Nonoperative method ox embryo cryopreservation.
Embodiment 2
A kind of equus embryo cryopreservation thawing solution, comprises that 5000ml sodium lactate mixed liquor is as main liquid, and every 1000ml sodium lactate ringer's injection contains the deactivation horse serum that 1,000,000 unit penicillin, 1,200,000 unit streptomycins and percent by volume are 3%.
Take sodium lactate 10.5g, sodium chloride 6g, potassium chloride 13.5g and calcium chloride 9g, add 5000ml distilled water to mix, be placed in the insulating box of 37 ℃ after 3 hours, standby; Take astragalus polyose 1.4g and put into aseptic beaker, in aseptic beaker, join in standby mixed liquor, stir astragalus polyose is fully dissolved, obtain sodium lactate mixed liquor; Before embryo cryopreservation thaws, according to constituent content, in sodium lactate mixed liquor, add penicillin, streptomycin and deactivation horse serum, can obtain embryo cryopreservation thawing solution.
The present embodiment embryo cryopreservation thawing solution is applied to Nonoperative method horse embryo's freeze-thaw.
Embodiment 3
A kind of equus embryo cryopreservation thawing solution, comprises that 4000ml sodium lactate mixed liquor is as main liquid, wherein in every 1000ml sodium lactate mixed liquor, contains the deactivation horse serum that 800,000 unit penicillin, 800,000 unit streptomycins and percent by volume are 5%; Wherein, in sodium lactate mixed liquor, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain sodium lactate 26g, sodium chloride 10.8g, potassium chloride 21g and calcium chloride 16.8g.
Take sodium lactate 26g, sodium chloride 10.8g, potassium chloride 21g and calcium chloride 16.8g, add 4000ml distilled water to mix, be placed in the insulating box of 37 ℃ after 1 hour, obtain sodium lactate mixed liquor standby to treat; Before embryo thawing, according to constituent content, in sodium lactate mixed liquor, add penicillin, streptomycin and deactivation horse serum, can obtain embryo cryopreservation thawing solution.
The present embodiment embryo cryopreservation thawing solution is applied to Nonoperative method horse embryo cryopreservation and thaws.
Embodiment 4
A kind of equus embryo cryopreservation thawing solution, comprises that 5000ml sodium lactate mixed liquor is as main liquid, wherein in every 1000ml sodium lactate mixed liquor, contains the deactivation horse serum that 600,000 unit penicillin, 900,000 unit streptomycins and percent by volume are 8%; Wherein, in sodium lactate mixed liquor, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain sodium lactate 25.0g, sodium chloride 20.0g, potassium chloride 25g, calcium chloride 7.5g, magnesium chloride 2.25g and astragalus polyose 0.25g.
Take sodium lactate 25.0g, sodium chloride 20.0g, potassium chloride 25g, calcium chloride 7.5g and magnesium chloride 2.25g, add 5000ml distilled water to mix, be placed in the insulating box of 37 ℃ after 1 hour, standby; Take astragalus polyose 0.25g and put into aseptic beaker, in aseptic beaker, join in standby mixed liquor, stir astragalus polyose is fully dissolved, obtain sodium lactate mixed liquor; Before embryo thawing, according to constituent content, in sodium lactate mixed liquor, add penicillin, streptomycin and deactivation horse serum, can obtain embryo cryopreservation thawing solution.
The present embodiment embryo cryopreservation thawing solution is applied to Nonoperative method horse embryo's freeze-thaw.
Embodiment 5
A kind of equus embryo cryopreservation thawing solution, comprises that 4000ml sodium lactate mixed liquor is as main liquid, wherein in every 1000ml sodium lactate mixed liquor, contains the bovine serum albumin(BSA) that 1,500,000 unit penicillin, 600,000 unit streptomycins and percent by volume are 0.35%; Wherein, in sodium lactate mixed liquor, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain sodium lactate 16.8g, sodium chloride 8.0g, potassium chloride 14g, calcium chloride 2.8g and magnesium chloride 1.08g.
Take sodium lactate 16.8g, sodium chloride 8.0g, potassium chloride 14g, calcium chloride 2.8g and magnesium chloride 1.08g, add 4000ml distilled water to mix, be placed in the insulating box of 37 ℃ after 1 hour, obtain sodium lactate mixed liquor, standby to treat; Before embryo thawing, according to constituent content, in sodium lactate mixed liquor, add penicillin, streptomycin and bovine serum albumin(BSA), can obtain embryo cryopreservation thawing solution.
The present embodiment embryo cryopreservation thawing solution liquid is applied to Nonoperative method ox embryo's freeze-thaw.
Contrast experiment:
Choose 9 normal donor cows and be divided into 3 groups, after estrus of cow the 7th day, use respectively the embryo cryopreservation thawing solution (embodiment group 1) that embodiment 1 obtains, embryo cryopreservation thawing solution (embodiment group 5) and the traditional embryo cryopreservation solution thawing solution (control group 1) that embodiment 5 obtains to thaw, and carry out ovoscopy and transplanting after the embryo 30min that thaws.After 1 week, statistics is transplanted statistics, and acceptor is observed, until produce.Donor cow and embryo transplantation effect are as shown in table 1.
Choose 80 normal donor mares and be divided into 4 groups, after mare oestruses the 7th day, use respectively embryo cryopreservation thawing solution (embodiment group 2-4) and the traditional embryo cryopreservation thawing solution (control group 2) that embodiment 2-4 obtains to thaw, and carry out ovoscopy and transplanting after preserving embryo 30min.Statistics embryo transplantation number after 1 week, and acceptor is observed, until produce.Donor mare embryo transplantation effect is as shown in table 2.
Table 1 donor cow rushes ovum and embryo transplantation effect comparison table
| Group | Donor cow number (head) | Acquisition embryo number (piece) | Transplant recipient number (head) | Calving number (head) | Survival rate of embryo (%) |
| Embodiment group 1 | 3 | 33 | 29 | 28 | 96.6 |
| Embodiment group 5 | 3 | 32 | 28 | 27 | 96.4 |
| Control group | 3 | 32 | 28 | 23 | 82.1 |
Table 2 donor mare rushes ovum and embryo transplantation effect comparison table
| Group | Donor mare number () | Acquisition embryo number (piece) | Transplant recipient number () | Foaling number () | Survival rate of embryo (%) |
| Embodiment group 2 | 20 | 32 | 30 | 29 | 96.7 |
| Embodiment group 3 | 20 | 33 | 31 | 29 | 93.5 |
| Embodiment group 4 | 20 | 32 | 30 | 29 | 96.7 |
| Control group 2 | 20 | 33 | 30 | 24 | 80.0 |
From the data of table 1 and table 2: compared with traditional embryo cryopreservation thawing solution, use embryo cryopreservation thawing solution of the present invention to rush ovum and preserve embryo 30min after carry out ovoscopy and transplanting, it obtains embryo number and differs not obvious, but its survival rate of embryo improves 13-16 percentage point.
Known by contrast experiment; the equus embryo cryopreservation thawing solution of embodiment of the present invention proportioning has improved calving/coltfoal number and survival rate of embryo; and compared with traditional embryo cryopreservation thawing solution; its have draw materials conveniently, cheap, prepare the advantages such as simple, easy to use; do not need matching while using; be highly suitable for the large-scale production of equus Nonoperative method embryo transplantation, be conducive to applying of embryo transfer technology.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. equus embryo cryopreservation thawing solution, is characterized in that, described thawing solution comprises sodium lactate mixed liquor, penicillin, streptomycin, and the one, two or three in bovine serum albumin(BSA), calf serum and deactivation horse serum.
2. equus embryo cryopreservation thawing solution according to claim 1, is characterized in that, described sodium lactate mixed liquor comprises one or more in sodium lactate, sodium chloride, potassium chloride, calcium chloride, magnesium chloride and astragalus polyose.
3. equus embryo cryopreservation thawing solution according to claim 1 and 2, it is characterized in that, in described thawing solution, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain penicillin 30-180 ten thousand units, streptomycin 20-200 ten thousand units, and bovine serum albumin(BSA) 0.05%-1.5%, calf serum 0.5%-15% and/or deactivation horse serum 0.5%-14%.
4. equus embryo cryopreservation thawing solution according to claim 1 and 2, it is characterized in that, in described thawing solution, the content of each component is: in every 1000ml sodium lactate mixed liquor, contain penicillin 50-150 ten thousand units, streptomycin 50-150 ten thousand units, and bovine serum albumin(BSA) 0.1%-0.9%, calf serum 1%-10% and/or deactivation horse serum 1%-10%.
5. according to the equus embryo cryopreservation thawing solution described in claim 1-4 any one, it is characterized in that, in described sodium lactate mixed liquor, the content of each component is: in every 1000ml mixed liquor, contain sodium lactate 1-7g, sodium chloride 1-5g, potassium chloride 2-7g, calcium chloride 0.5-2g, magnesium chloride 0.05-0.5g and astragalus polyose 0.01-0.3g.
6. according to the equus embryo cryopreservation thawing solution described in claim 1-5 any one, it is characterized in that, in described sodium lactate mixed liquor, the content of each component is: in every 1000ml mixed liquor, contain sodium lactate 3-7g, sodium chloride 2-5g, potassium chloride 3-7g, calcium chloride 0.5-1.5g, magnesium chloride 0.1-0.4g and astragalus polyose 0.01-0.1g.
7. according to the equus embryo cryopreservation thawing solution described in claim 1-6 any one, it is characterized in that, in described sodium lactate mixed liquor, the content of each component is: in every 1000ml mixed liquor, contain sodium lactate 5.4g, sodium chloride 3.2g, potassium chloride 4.6g, calcium chloride 1.1g, magnesium chloride 0.32g and astragalus polyose 0.08g.
8. a compound method for the equus embryo cryopreservation thawing solution as described in claim 1-7 any one, is characterized in that, described compound method comprises:
(1) according to the content of each component, take sodium lactate, sodium chloride, potassium chloride, calcium chloride and magnesium chloride, and add distilled water to mix, be placed in behind 37 ℃ insulating box 0.5-6 hour, standby;
(2) take astragalus polyose and put into aseptic beaker, in aseptic beaker, add the mixed liquor obtaining in step (1), stir astragalus polyose is fully dissolved, obtain sodium lactate mixed liquor;
(3), before embryo thawing, according to constituent content, to one or both or three kinds that add in sodium lactate mixed liquor in penicillin, streptomycin and bovine serum albumin(BSA), calf serum and deactivation horse serum, can obtain embryo cryopreservation and preserve liquid.
9. an application for the equus embryo cryopreservation thawing solution as described in claim 1-8 any one, is characterized in that, described embryo thawing liquid is applicable to the Nonoperative method embryo transfer technology of horse, ox, donkey.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310588328.5A CN103749431A (en) | 2013-11-21 | 2013-11-21 | Unfreezing liquid for frozen equine animal embryo, and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109744229A (en) * | 2018-10-29 | 2019-05-14 | 北京田园奥瑞生物科技有限公司 | One boar freezes smart thawing solution and preparation method thereof and defreezing method |
| CN111004773A (en) * | 2019-12-31 | 2020-04-14 | 青岛德瑞骏发生物科技股份有限公司 | Equine embryo unfreezing liquid formula |
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- 2013-11-21 CN CN201310588328.5A patent/CN103749431A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109744229A (en) * | 2018-10-29 | 2019-05-14 | 北京田园奥瑞生物科技有限公司 | One boar freezes smart thawing solution and preparation method thereof and defreezing method |
| CN111004773A (en) * | 2019-12-31 | 2020-04-14 | 青岛德瑞骏发生物科技股份有限公司 | Equine embryo unfreezing liquid formula |
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Application publication date: 20140430 |