CN107568154A - The maternal breeding method of Rhizomys sinesis - Google Patents
The maternal breeding method of Rhizomys sinesis Download PDFInfo
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- CN107568154A CN107568154A CN201710932105.4A CN201710932105A CN107568154A CN 107568154 A CN107568154 A CN 107568154A CN 201710932105 A CN201710932105 A CN 201710932105A CN 107568154 A CN107568154 A CN 107568154A
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Abstract
The invention discloses a kind of maternal breeding method of Rhizomys sinesis, comprise the following steps：S1, choose N only male bamboo rats, 3N only female bamboo rats, include 1 male bamboo rat according to each family and 3 female bamboo rats establish N number of family；S2, the seed selection that a generation is carried out to N number of family, count each family reproductive performance I, choose N of the ranking of reproductive performance I in preceding 50% family only male bamboo rat and 3N only female bamboo rats, establish N number of family；S3, repeat step S3, until the adult offspring's body weight person's number up to standard and survival rate of the bamboo rat of same generation are respectively higher than first threshold, Second Threshold, then the female parent of the generation is that Rhizomys sinesis is maternal；Wherein, without blood ties between each bamboo rat of each family.The of the invention contradiction for preferably having coordinated female bamboo rat body weight and reproductive performance high negative correlation character, is provided for bamboo rat breed system it is more with litter size, and production live it is young more than it is maternal, increase economic efficiency.
Description
Technical field
The present invention relates to bamboo rat to cultivate field.A kind of it is more particularly related to cultivation side that Rhizomys sinesis is maternal
Method.
Background technology
Bamboo rat body pork is more, and delicious flavour is nutritious, and fur suede is thick soft, there is higher economic value and medicinal valency
Value.At present by large-scale farming, turn into one of aquaculture industry with larger economic benefit.
At present, the breeding technique of bamboo rat is perfect not enough, and bamboo rat generally existing reproductive performance is low, and nest litter size is few to ask
Topic, so that the problem of bamboo rat cultivation has cost height, and benefit is low, and risk is high.Moreover, there is height in the body weight and reproductive performance of bamboo rat
The heredity of degree is negatively correlated, if body weight is delivered in unilateral pursuit for sale, the reproductive performance of bamboo rat will reduce, if unilateral pursuit bamboo
The reproductive performance of mouse, the low birth weight of bamboo rat is also resulted in, further, low birth weight, although comparatively litter size may
Increase, but number born alive is relatively low, how in the body weight and reproductive performance of female bamboo rat, the two characters can not be coordinated to unite
In the case of one, select nest litter size height, and survival rate it is high bamboo rat it is maternal, be current urgent problem.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of maternal breeding method of Rhizomys sinesis, it has preferably coordinated female
The contradiction of bamboo rat body weight and reproductive performance high negative correlation character, provides more with litter size for bamboo rat breed system, and produces living young
More is maternal, increases economic efficiency.
In order to realize according to object of the present invention and further advantage, there is provided a kind of maternal cultivation side of Rhizomys sinesis
Method, comprise the following steps：S1, choose N only male bamboo rats, 3N only female bamboo rats, according to each family include 1 male bamboo rat and
3 female bamboo rats establish N number of family, wherein, N >=60；
S2, N number of family to foundation carry out the seed selection of a generation, count each family reproductive performance I, and according to reproductive ability
I size of energy is that each family sorts, and choosing N of the ranking of reproductive performance I in preceding 50% family, only male bamboo rat and 3N are only female
Bamboo rat, establish N number of family；
S3, repeat step S3, until adult offspring's body weight person's number up to standard of the bamboo rat of same generation and survival rate difference
Higher than first threshold, Second Threshold, then the female parent of the generation is that Rhizomys sinesis is maternal；
Wherein, without blood ties between each bamboo rat of each family.
Preferably, also include before step S1：It is determined that female bamboo rat standard weight range is X1-X2：With 1.225Kg
For minimum body weight, it is that an individual weight level to 1.525Kg is highest body weight that body weight, which often increases 50g, chosen per individual weight level to
Few 20 female bamboo rats, it is that the male bamboo rat in the range of 1.49-1.51Kg breeds with body weight respectively by it, counts per individual weight layer
The reproductive performance II of the female bamboo rat of level, the optimal body weight level of reproductive performance II, as female bamboo rat standard weight range X1-X2；
It is determined that male bamboo rat standard weight range is Y1-Y2：Choose body weight and be located at X1-X2In the range of female bamboo rat be divided into
Five groups, every group of at least 20 female bamboo rats, every group of female bamboo rat breeds with the male bamboo rat pairing of certain body weight respectively, and five groups female
Property bamboo rat and match that to breed male bamboo rat weight ratio be respectively 1 with it:1.1、1:1.15、1:1.2、1:1.25、1:1.3, statistics
The body weight of every group of female bamboo rat adult offspring, calculate every group of female bamboo rat adult offspring the body weight uniformity, the body weight uniformity
The weight range of male bamboo rat corresponding to soprano, as male bamboo rat standard weight range Y1-Y2；
Wherein, the male bamboo rat body weight chosen in step S1 is in Y1-Y2Between, female bamboo rat body weight is in X1-X2Between.
Preferably, per the reproductive performance II of individual weight level female bamboo rat with the annual of the body weight level female bamboo rat
Nest number, the farrowing of annual nest number, the annual rate of animals delivered to the slaughter-house and annual survival rate living are evaluation points, wherein, annual nest number,
The weight of annual nest farrowing number living, the year rate of animals delivered to the slaughter-house and annual survival rate is respectively 0.126,0.069,0.414 and 0.391.
Preferably, in step S2 the reproductive performance I of a family with family adult offspring's body weight person's number up to standard and
Survival rate is evaluation points, and the weight of body weight person's number up to standard and survival rate is respectively 0.149 and 0.851；
Only male bamboo rat and 3N are only female by N in step S2 in family of the selection ranking of reproductive performance I in setting range
Bamboo rat is body weight person up to standard, and the body weight of female bamboo rat is in X1-X2In the range of for body weight it is up to standard, the body weight of male bamboo rat is in Y1-Y2
In the range of for body weight it is up to standard.
Preferably, the plant carried out from generation to generation to one in step S3 in Breeding Process is included from the inside to the outside sequentially coaxially
The spud pile of setting, interior enclosing and peripheral shelves；
The interior enclosing includes the ring be hinged interior folding in N number of fix bar of fixation, the side of each fix bar at equal intervals
Plate, the outer enclosing are circumferentially sheathed on outside interior enclosing and form peripheral behaviour area, and each fix bar is cut with scissors close to the side of peripheral shelves
Middle folded sheet is connect, wherein, the inner foldable board is hinged foldable setting, N with the middle folded sheet by multiple strip-shaped net ends
Individual inner foldable board expansion to form central movable area with the retractable fixation of fix bar adjacent thereto to enclose to set, N number of inner foldable board exhibition
Open with the retractable fixation of spud pile so that central movable is divided into N number of trigonum, N number of middle folded sheet expansion and peripheral shelves madial wall
Retractable fixation, to coordinate N number of trigonum to form N number of culturing pool between spud pile and peripheral shelves.
Preferably, it is 26-30 DEG C, relative humidity 48-52% that the temperature in plant is kept in Breeding Process, specifically
Comprise the following steps：
A, the male bamboo rat for top n family of breeding is placed in the raising of central movable area, feeds the first feed, by weight component
Meter, the first feed include：Basal feed 22-27 parts, leek 8-10 parts, egg 1-2 parts, dregs of beans 4-5 parts and walnut powder 5-8 parts,
The female bamboo rat of N number of family is placed in peripheral behaviour area, feeds the second feed, and component meter, the second feed by weight includes：Raise on basis
Expect 20-25 parts, spinach 4-5 parts, carrot 6-8 parts, milk stage iblet 8-10 parts and almond 4-5 parts；
B, according to a family is set in a culturing pool in breeding, natural mating is carried out, male bamboo rat is removed after breeding,
Individually raising to young mouse is born same family female bamboo rat, feeds the second feed；
C, young mouse is born to wean, feeds the 3rd feed, and component meter, the 3rd feed by weight includes：Basal feed 20-
25 parts, sweet potato vine 4-5 parts, milk stage iblet 3-4 part, pomegranate 5-6 parts and watermelon peel 6-8 parts；
D, the N number of inner foldable board of folding shrinking and N number of middle folded sheet after young mouse wean, mixing raising 25-30 days, feed the 4th
Feed, by weight component meter, the 4th feed include：Basal feed 20-25 parts, cassava 3-4 parts, root of couch grass 3-4 parts, maple root 1-
2 parts and leaf of bamboo 5-6 parts, remove female bamboo rat afterwards, and the offspring of N number of family mixes raising to adult；
Wherein, component meter, basal feed include by weight：Beet 20-25 parts, bamboo shoots 20-25 parts, cornstalk 15-20 parts,
Sweet potato powder 20-25 parts, rice bran 10-15 parts, B B-complex 0.3-0.5 parts.
The present invention comprises at least following beneficial effect：
Firstth, take family selective breeding method to eliminate the low female bamboo rat of reproductive performance, and preferably coordinate female bamboo rat body
Weight and reproductive performance high negative correlation character contradiction, for bamboo rat breed system produce provide it is maternal, by the seed selection of several generations
Afterwards maternal, with more with litter size, and produce young more characteristics living, offspring's body weight person's number (only) up to standard of growing up, survival rate
(%) is significantly improved, and improves the economic benefit of bamboo rat cultivation.
Secondth, the setting of plant, obtains maximum space availability ratio with the space of minimum, the inner foldable board with it is described
Middle folded sheet is hinged foldable setting by multiple strip-shaped net ends, to that will assemble the bamboo rat as a family before pairing
Carry out the separation of essence, but without spiritual separation, give a family bamboo rat it is enough get along the time, improve pairing
Success rate, and during whole breeding and bringing up, do not move the living environment for not changing female bamboo rat, effectively avoid and subtract
The interference of few extraneous factor, strengthens the accuracy rate entirely tested, while the setting of inner foldable board and middle folded sheet is greatly reduced
Workload in whole raising cultivating process, can rapid in-situ be separated out breeding spaces needed for each period.
3rd, the timesharing phase grows difference according to bamboo rat, gives bamboo rat different feeds, promotes bamboo rat according to set mesh
While marking direction cultivation, subrogate when strengthening the Stability and veracity entirely detected, and mixing raising after all family bamboo rats
In same living environment, environmental difference is effectively avoided to bring the unstability of detection.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
<Embodiment 1>
A kind of maternal breeding method of Rhizomys sinesis, comprises the following steps：
S1, determine that female bamboo rat standard weight range is X1-X2(the female bamboo rat and male bamboo rat selected are pure breeding
Rhizomys sinesis)：
Using 1.225Kg as minimum body weight, body weight often increase 50g be an individual weight level to 1.525Kg be highest body weight, altogether
Body weight level I (1.225Kg-1.275Kg), body weight level II (1.275Kg-1.325Kg), body weight level III are obtained respectively
(1.325Kg-1.375Kg), body weight level IV (1.375Kg-1.425Kg), body weight level V (1.425Kg-1.475Kg), body
The individual weight level of double-layer level VI (1.475Kg-1.525Kg) six, it is interior per individual weight level to include in the range of the body weight level most
Small body weight, not comprising the highest body weight in the range of the body weight level, 20 female bamboo rats are chosen per individual weight level, are distinguished
Bred with body weight for the male bamboo rat in the range of 1.49-1.51Kg, count the average nest litter size per individual weight level bamboo rat
(only), annual nest number (nest), annual the number of live birth (only), annual farrowing number (only) living, the annual rate of animals delivered to the slaughter-house (%),
And annual survival rate (%), specific data are as shown in table 1：
Table 1
Per (the W of reproductive performance II of individual weight level female bamboo rat2) with the annual nest number of the body weight level female bamboo rat
A, annual nest farrowing number B, annual rate of animals delivered to the slaughter-house C and annual survival rate D living is evaluation points, wherein, annual nest number,
The weight of annual nest farrowing number living, the year rate of animals delivered to the slaughter-house and annual survival rate is respectively 0.126,0.069,0.414 and 0.391, then
W2=0.126A+0.069B+0.414C+0.391D, the reproductive performance II of calculated value body weight level IV (1.375Kg-1.425Kg)
W2Highest, therefore it is optimal body weight level, as female bamboo rat standard weight range 1.375Kg-1.425Kg, moreover, root
Understood according to table 1, female bamboo rat is with the increase of body weight, its annual the number of live birth (only), annual farrowing number (only) living, year
The average rate of animals delivered to the slaughter-house (%) and annual survival rate (%) are presented 1 and first increase the process reduced afterwards, and in body weight level IV
Shi Jun has reached optimal value, annual nest number, annual nest farrowing number living, the year rate of animals delivered to the slaughter-house and annual survival rate weight setting
According to its data characteristic, each evaluation points is combined the data characteristic of its own, account for (the W of reproductive performance II2) proportion it is approximate
It is equal, improve the accuracy of detection；
It is determined that male bamboo rat standard weight range Y1-Y2；
Choose the female bamboo rat that is located in the range of 1.375Kg-1.425Kg of body weight and be divided into five groups, every group of 20 female bamboo rats,
Every group of female bamboo rat breeds with the male bamboo rat pairing of certain body weight respectively, and five groups of female bamboo rats breed male bamboo with being matched with it
Mouse weight ratio is respectively 1:1.1、1:1.15、1:1.2、1:1.25、1:1.3, i.e., corresponding to respectively with the pairing of 5 groups of female bamboo rats
(end points value is the approximation to round up to the weight range of male bamboo rat, and includes the weight range in each weight range
Interior minimum body weight, not comprising the highest body weight in the weight range) for 1.51Kg-1.57Kg, 1.58Kg-1.64Kg,
1.65Kg-1.71Kg, 1.72Kg-1.78Kg, 1.79Kg-1.85Kg, counting every group of female bamboo rat adult offspring, (adult offspring is
There is body maturation feature, that is, which give the offspring of the due form of adult bamboo rat and structure) body weight, calculate to obtain every group of female
The body weight uniformity of bamboo rat adult offspring, the weight range of male bamboo rat corresponding to body weight uniformity soprano, is computed understanding
When the weight ratio of female bamboo rat and male bamboo rat is 1:When 1.2, i.e., when the weight range of male bamboo rat is 1.65Kg-1.71Kg,
The body weight uniformity highest of the female bamboo rat adult offspring of the group, i.e., male bamboo rat standard weight range is 1.65Kg-1.71Kg, its
In, the calculation of the body weight uniformity routinely calculation；
S2, the male bamboo rat that 60 body weight are located in 1.65Kg-1.71Kg is chosen, 180 body weight are located at 1.375Kg-
Female bamboo rat in 1.425Kg, include 1 male bamboo rat according to each family and 3 female bamboo rats establish 60 familys；
S3,60 familys to foundation carry out the seed selection of a generation, count each (W of family reproductive performance I1), reproductive ability
Energy I grows up offspring's body weight person's number E and survival rate F up to standard as evaluation points using the family, body weight person's number up to standard and survival
The weight of rate is respectively 0.149 and 0.851, then W1=0.149E+0.851F, and according to the W of reproductive performance I1Size is each family
Sequence, 60 male bamboo rats and 180 female bamboo rats of the ranking of reproductive performance I in preceding 50% 30 familys are chosen, are established
60 familys, wherein, choose 60 male bamboo rats in family of the ranking of reproductive performance I in setting range and 180 females
Bamboo rat is body weight person up to standard, and the body weight of female bamboo rat is up to standard for body weight in the range of 1.375Kg-1.425Kg, male bamboo rat
Body weight is up to standard for body weight in the range of 1.65Kg-1.71Kg；
S4, repeat step S3, until adult offspring's body weight person's number up to standard of the bamboo rat of same generation and survival rate difference
Higher than first threshold, Second Threshold, then the female parent of the generation is that Rhizomys sinesis is maternal, wherein, first threshold and Second Threshold
Determined according to the demand of enterprise；
Wherein, without blood ties between the male parent of each bamboo rat of each family and female parent.
<Embodiment 2>
A kind of maternal breeding method of Rhizomys sinesis, comprises the following steps：
S1, determine that female bamboo rat standard weight range is X1-X2, and determine male bamboo rat standard weight range Y1-Y2, its
In, X1-X2, and Y1-Y2Determination be defined by the data that embodiment 1 determines, i.e. X1-X2For 1.375Kg-1.425Kg, Y1-Y2For
1.65Kg-1.71Kg；
S2, the male bamboo rat that 60 body weight are located in 1.65Kg-1.71Kg is chosen, 180 body weight are located at 1.375Kg-
Female bamboo rat in 1.425Kg, include 1 male bamboo rat according to each family and 3 female bamboo rats establish 60 familys；
S3,60 familys to foundation carry out the seed selection of a generation, count each (W of family reproductive performance I1), reproductive ability
Energy I grows up offspring's body weight person's number E and survival rate F up to standard as evaluation points using the family, body weight person's number up to standard and survival
The weight of rate is respectively 0.149 and 0.851, then W1=0.149E+0.851F, and according to the W of reproductive performance I1Size is each family
Sequence, 60 male bamboo rats and 180 female bamboo rats of the ranking of reproductive performance I in preceding 50% family are chosen, establish 60
Family, wherein, choose the 60 male bamboo rats and 180 female bamboo rats in family of the ranking of reproductive performance I in setting range
It is body weight person up to standard, the body weight of female bamboo rat is up to standard for body weight in the range of 1.375Kg-1.425Kg, the body weight of male bamboo rat
It is up to standard for body weight in the range of 1.65Kg-1.71Kg；
S4, repeat step S3, until adult offspring's body weight person's number up to standard of the bamboo rat of same generation and survival rate difference
Higher than first threshold, Second Threshold, then the male parent of the generation is first paternal, wherein, first threshold and Second Threshold according to
The demand of enterprise determines；
Wherein, without blood ties between the male parent of each bamboo rat of each family and female parent；
Breeding Process is carried out from generation to generation to one in step S3 to carry out in a plant, is sequentially coaxially set from the inside to the outside
Spud pile, interior enclosing and peripheral shelves；
The interior enclosing includes the ring be hinged interior folding in 60 fix bars of fixation, the side of each fix bar at equal intervals
Plate, each inner foldable board are located at the fix bar be hinged with it along suitable described interior conterclockwise the same side of enclosing, wherein, it is described interior
Folded sheet is hinged foldable setting by multiple strip-shaped net ends and formed, and the fix bar is relative with the inner foldable board be hinged with it
(solderable) one annulus is fixedly installed towards central movable area is horizontal in side；What is be hinged in a fix bar of the annulus is interior
Also be hinged annulus, 60 inner foldable board expansion make its annulus and the annulus of fix bar adjacent thereto to the movable end of folded sheet
It is folded to set, and insert a T-shaped button and fix, central movable area is formed to enclose to set, now angle between the adjacent two boards body of inner foldable board
Set less than 180 degree, the distance between two neighboring fix bar is less than distance of the fix bar between spud pile, T-shaped button bag
Include crossbeam, one end is welded in the vertical beam at the crossbeam center, the length of crossbeam is more than the diameter of annulus；
The spud pile circumferentially sets 60 annulus at equal intervals, the expansion of 60 inner foldable boards make its annulus respectively one by one with
The annulus of spud pile is folded to be set, and is inserted a T-shaped button and fixed, and central movable is divided into 60 trigonums, now inner foldable board
Adjacent two boards body between angle be equal to 180 degree；
The outer enclosing is circumferentially sheathed on outside interior enclosing and forms peripheral behaviour area between the interior enclosing, and each fix bar is leaned on
Folded sheet in the side of nearly peripheral shelves be hinged one, the outer enclosing madial wall circumferentially set 60 annulus at equal intervals, 60
The expansion of middle folded sheet make its annulus respectively one by one with the annulus of peripheral shelves is folded sets, and insert a T-shaped button and fix, to coordinate 60
Trigonum forms 60 culturing pools between spud pile and peripheral shelves；
Between temperature in Breeding Process in holding plant is 26-30 DEG C, relative humidity is between 48-52%, specifically
Comprise the following steps：
A, the male bamboo rat for top n family of breeding is placed in the raising of central movable area, feeds the first feed, by weight component
Meter, the first feed include：5 parts of 25 parts of basal feed, 9 parts of leek, 2 parts of egg, 5 parts of dregs of beans and walnut powder, 60 familys it is female
Property bamboo rat be placed in peripheral behaviour area, feed the second feed, component meter, the second feed by weight includes：23 parts of basal feed, spinach
4 parts of 4 parts, 8 parts of carrot, 10 parts of milk stage iblet and almond；
B, according to a family is set in a culturing pool in breeding, natural mating is carried out, male bamboo rat is removed after breeding,
Individually raising to young mouse is born same family female bamboo rat, feeds the second feed；
C, young mouse is born to wean, feeds the 3rd feed, and component meter, the 3rd feed by weight includes：Basal feed 20
8 parts of part, 5 parts of sweet potato vine, 4 parts of milk stage iblet, 6 parts of pomegranate and watermelon peel；
D, the N number of inner foldable board of folding shrinking and N number of middle folded sheet after young mouse wean, mixing raising 28 days, feed the 4th and raise
Material, component meter, the 4th feed include by weight：25 parts of basal feed, 3 parts of cassava, 3 parts of root of couch grass, 1 part of maple root and the leaf of bamboo 6
Part, female bamboo rat is removed afterwards, and the offspring of 60 familys mixes raising to adult；
Wherein, component meter, basal feed include by weight：25 parts of beet, 20 parts of bamboo shoots, 15 parts of cornstalk, sweet potato powder 25
Part, 15 parts of rice bran, 0.3 part of B B-complex.
Embodiment 1 and embodiment 2 are carried out in Guangxi Gold Cheng Shuanfeng agriculture and animal husbandries Science and Technology Ltd. bamboo rat field, cultivate result point
Not as shown in Table 1 and Table 2：
Table 1
| Generation number | Adult offspring's body weight person's number (only) up to standard | Survival rate (%) |
| 0 from generation to generation | 315 | 96.7 |
| 1 from generation to generation | 320 | 97.3 |
| 2 from generation to generation | 324 | 97.6 |
| 3 from generation to generation | 329 | 98.1 |
Table 2
| Generation number | Adult offspring's body weight person's number (only) up to standard | Survival rate (%) |
| 0 from generation to generation | 323 | 97.1 |
| 1 from generation to generation | 328 | 97.6 |
| 2 from generation to generation | 332 | 98.3 |
| 3 from generation to generation | 336 | 99.0 |
From Tables 1 and 2, by the seed selection of 4 generations, the survival rate of female bamboo rat and male bamboo rat offspring substantially carry
Height, and offspring's body weight person's number (only) up to standard of growing up also increased, and when improvement cultivation field structure and diet are set, seed selection
Effect further lifted.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (6)
1. the maternal breeding method of a kind of Rhizomys sinesis, it is characterised in that comprise the following steps：
S1, choose N only male bamboo rats, 3N only female bamboo rats, include 1 male bamboo rat and 3 female bamboo rats according to each family
N number of family is established, wherein, N >=60；
S2, N number of family to foundation carry out the seed selection of a generation, count each family reproductive performance I, and according to reproductive performance I
Size is the sequence of each family, chooses N of the ranking of reproductive performance I in preceding 50% family only male bamboo rat and 3N only female bamboos
Mouse, establish N number of family；
S3, repeat step S3, until the adult offspring's body weight person's number up to standard and survival rate of the bamboo rat of same generation are respectively higher than
First threshold, Second Threshold, then the female parent of the generation is that Rhizomys sinesis is maternal；
Wherein, without blood ties between each bamboo rat of each family.
2. the maternal breeding method of Rhizomys sinesis as claimed in claim 1, it is characterised in that also include before step S1：
It is determined that female bamboo rat standard weight range is X1-X2：Using 1.225Kg as minimum body weight, it is an individual double-layer that body weight, which often increases 50g,
Level is highest body weight to 1.525Kg, chooses at least 20 female bamboo rats per individual weight level, is respectively 1.49- with body weight by it
Male bamboo rat in the range of 1.51Kg breeds, and counts the reproductive performance II per individual weight level female bamboo rat, reproductive performance II is most
Excellent body weight level, as female bamboo rat standard weight range X1-X2；
It is determined that male bamboo rat standard weight range is Y1-Y2：Choose body weight and be located at X1-X2In the range of female bamboo rat be divided into five groups,
Every group of at least 20 female bamboo rats, every group of female bamboo rat breed with the male bamboo rat pairing of certain body weight respectively, five groups of female bamboos
Mouse and match that to breed male bamboo rat weight ratio be respectively 1 with it:1.1、1:1.15、1:1.2、1:1.25、1:1.3, count every group
The body weight of female bamboo rat adult offspring, calculate every group of female bamboo rat adult offspring the body weight uniformity, body weight uniformity highest
The weight range of male bamboo rat corresponding to person, as male bamboo rat standard weight range Y1-Y2；
Wherein, the male bamboo rat body weight chosen in step S1 is in Y1-Y2Between, female bamboo rat body weight is in X1-X2Between.
3. the maternal breeding method of Rhizomys sinesis as claimed in claim 2, it is characterised in that per individual weight level female bamboo rat
Reproductive performance II with the annual nest number of the body weight level female bamboo rat, annual nest farrowing number living, the annual rate of animals delivered to the slaughter-house and
Annual survival rate is evaluation points, wherein, annual nest number, annual nest farrowing number living, the year rate of animals delivered to the slaughter-house and annual survival rate
Weight is respectively 0.126,0.069,0.414 and 0.391.
4. the maternal breeding method of Rhizomys sinesis as claimed in claim 2, it is characterised in that family is numerous in step S2
Grow performance I and offspring's body weight person's number up to standard and survival rate are grown up as evaluation points using the family, body weight person's number up to standard and deposit
The weight of motility rate is respectively 0.149 and 0.851；
N in family of the ranking of reproductive performance I in setting range only male bamboo rat and 3N only female bamboo rat is chosen in step S2
It is body weight person up to standard, the body weight of female bamboo rat is in X1-X2In the range of for body weight it is up to standard, the body weight of male bamboo rat is in Y1-Y2Scope
Interior is that body weight is up to standard.
5. the maternal breeding method of Rhizomys sinesis as claimed in claim 4, it is characterised in that enter in step S3 to a generation
Plant in row Breeding Process includes spud pile, interior enclosing and the peripheral shelves sequentially coaxially set from the inside to the outside；
The interior enclosing includes the ring be hinged inner foldable board in N number of fix bar of fixation, the side of each fix bar at equal intervals, institute
State outer enclosing and be circumferentially sheathed on outside interior enclosing and form peripheral behaviour area, each fix bar close to the side of peripheral shelves it is be hinged in roll over
Lamination, wherein, the inner foldable board is hinged foldable setting, N number of infolding with the middle folded sheet by multiple strip-shaped net ends
Lamination deploys to form central movable area with the retractable fixation of fix bar adjacent thereto to enclose to set, N number of inner foldable board expansion and solid
The retractable fixation of stake is determined so that central movable is divided into N number of trigonum, and N number of middle folded sheet expansion is retractable with peripheral shelves madial wall
It is fixed, to coordinate N number of trigonum to form N number of culturing pool between spud pile and peripheral shelves.
6. the maternal breeding method of Rhizomys sinesis as claimed in claim 5, it is characterised in that plant is kept in Breeding Process
Interior temperature is 26-30 DEG C, relative humidity 48-52%, specifically includes following steps：
A, the male bamboo rat for top n family of breeding is placed in the raising of central movable area, feeds the first feed, by weight component meter, the
One feed includes：Basal feed 22-27 parts, leek 8-10 parts, egg 1-2 parts, dregs of beans 4-5 parts and walnut powder 5-8 parts, N number of family
The female bamboo rat of system is placed in peripheral behaviour area, feeds the second feed, and component meter, the second feed by weight includes：Basal feed 20-
25 parts, spinach 4-5 parts, carrot 6-8 parts, milk stage iblet 8-10 parts and almond 4-5 parts；
B, according to a family is set in a culturing pool in breeding, natural mating is carried out, male bamboo rat is removed after breeding, it is same
Individually raising to young mouse is born family female bamboo rat, feeds the second feed；
C, young mouse is born to wean, feeds the 3rd feed, and component meter, the 3rd feed by weight includes：Basal feed 20-25
Part, sweet potato vine 4-5 parts, milk stage iblet 3-4 part, pomegranate 5-6 parts and watermelon peel 6-8 parts；
D, the N number of inner foldable board of folding shrinking and N number of middle folded sheet after young mouse wean, mixing raising 25-30 days, feed the 4th and raise
Material, component meter, the 4th feed include by weight：Basal feed 20-25 parts, cassava 3-4 parts, root of couch grass 3-4 parts, maple root 1-2
Part and leaf of bamboo 5-6 parts, remove female bamboo rat afterwards, and the offspring of N number of family mixes raising to adult；
Wherein, component meter, basal feed include by weight：Beet 20-25 parts, bamboo shoots 20-25 parts, cornstalk 15-20 parts, sweet potato
Powder 20-25 parts, rice bran 10-15 parts, B B-complex 0.3-0.5 parts.
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