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The Technical Regulations of Mink Breeding Selection
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Basic data
| Standard ID | GH/T 1255-2019 (GH/T1255-2019) |
| Description (Translated English) | The Technical Regulations of Mink Breeding Selection |
| Sector / Industry | Supply and Marketing Cooperatives Industry Standard (Recommended) |
| Classification of Chinese Standard | B44 |
| Word Count Estimation | 10,156 |
| Date of Issue | 2019-05-21 |
| Date of Implementation | 2019-12-01 |
| Regulation (derived from) | Industry Standards Record Announcement No.2 of 2019 (Total No.230) |
| Issuing agency(ies) | All-China Federation of Supply and Marketing Cooperatives |
GHT1255-2019: The Technical Regulations of Mink Breeding Selection
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Technical rules for selection of leech)
ICS 59.140.30
B44
People's Republic of China Supply and Marketing Cooperation Industry Standard
GH
Technical specifications for selection of mink
The Technical Regulations of Mink Breeding Selection
2019-05 -21 released
2019-12-01 implementation
Published by All China Supply and Marketing Cooperative
Ⅰ Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Animal Products Circulation Association.
This standard is under the jurisdiction of the All-China Federation of Supply and Marketing Cooperatives.
This standard was drafted. Qingdao Agricultural University, China Animal Products Distribution Association.
The main drafters of this standard. Ma Zefang, Cui Kai, Li Jiandong, Yang Jingdi, Pan Zhongshu, Ni Jing, and Zhao Li.
1.Technical rules for selection of mink
1 Scope
This standard specifies the basic requirements for breeding marten, selection standards, selection methods, and establishment of a breeding marten file.
This standard applies to mink in captivity.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
LY/T 2689-2016 Specifications for breeding and utilization of mink, fox and lynx
DB22/T 2329-2015 Technical specifications for determination of mink production performance
DB37/T 1817-2011 Technical regulations for mink breeding
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Mink
Carnivora, Mustela, Mustela, Mink subgenus.
3.2
Breeding selection
The process of selecting good mink individuals for seeding and eliminating bad individuals.
Basic requirements for 4 types of marten
4.1 Body appearance
The head is contoured and the face is short and wide. Large, well-built, slender and well-proportioned. The limbs are short and stout, with five toes on the front and back. Thick tail
Conical. Male mink testes develop normally, and female minks have more nipples, develop well, and are evenly distributed.
4.2 Plush quality
4.2.1 Fur color
With the color characteristics of this breed type.
4.2.2 Hair quality
The needle hairs are flexible, short, flat, uniform, fine, and dense; the hairs are thick and thick; the needles and hairs are evenly distributed. Fluffy tail hairs. The coat has a high gloss.
4.3 Reproductive performance
24.3.1 Male Marten
The male marten has early estrus, mating more than 15 times in a breeding season, and the fertilization rate of the female marten exceeds 85%.
1817-2011 requirements.
4.3.2 Female Marten
The number of fetuses born to female minks is more than 6, and the number of litters to survive is more than 4.
4.4 Growth performance
The measurement method is implemented according to DB22/T 2329-2015. At the final election, the male mink weighed more than 2500 grams and the body length was more than 45 cm; the female mink body
Weighing more than 1250 grams, body length is more than 38 cm; male and female ferrets moult early.
4.5 Pedigree
The source is clear and the pedigree is clear.
5 Selection criteria
The selection standards for mink breeds are implemented in accordance with the requirements of Appendix A.1 and Appendix A.2.
6 Selection methods
It is divided into three stages. primary election, multiple election and final election. The mink must be a healthy mink that tested negative for Aleutian virus.
6.1 Primary election
The juveniles are separated from June to July. The female mink and the adult male mink are selected according to the pros and cons of their reproductive performance, and the young mink is based on the growth and development.
Choose to stay fast. The number of seeds to be retained should be 50% more than the number of final selection plans.
6.2 Check
From late September to early October. Adult mink is selected according to the speed of physical recovery and moulting sooner or later. Young mink is based on growth and development.
Sooner or later choose to stay. The number of seeds to be retained should be 20% more than the number of final selection plans.
6.3 Final election
From late November to late December. Select and stay in accordance with the number of plans according to the selection criteria.
7 Create a breeding marten file
7.1 Pedigree files
The pedigree pedigree file includes male and female sable registration cards, see Appendix B.1 and Appendix B.2.
7.2 Reproduction records
Mink breeding records are registered according to Appendix C.1, and litter records are registered according to Appendix C.2.
3 Appendix A
(Normative appendix)
Mink selection criteria
Table A.1 Selection criteria for juvenile mink
Gender Project Primary Selection Checklist
Before May 1st
Number of minks in the same litter (only) ≥7
Weaning weight (g)
120-day-old weight (g) ≥1800
120-day-old body length (cm) ≥40
Moulting starts in mid-September
Plush quality
Fur mature fully mature
First class first class
Health, health, healthy
Weight at 180 days of age (g)
180-day-old body length (cm)
Before May 1st
Number of minks in the same litter (only) ≥7
Weaning weight (g)
120-day-old weight (g) ≥900
120-day-old body length (cm) ≥35
Moulting starts in mid-September
Plush quality
Fur mature fully mature
First class first class
Health, health, healthy
Weight at 180 days (g) ≥1250
180-day-old body length (cm)
4 Table A.2 Selection criteria for adult mink
Gender Project Primary Election Final Election
Before the first mating time March 3
Mating times ≥15
Excellent semen quality
Litter rate with mating marten (%) ≥90
Average litter size rate with mating marten (only) ≥7
Age (years of age) ≤3
Moulting starts in mid-September
Plush quality--Excellent
In good condition
Health, health, healthy
Identification of descendants
Before the first assignment March 3
Distribution times
Litter date before May 1
Fetal litter size (only) ≥7
Mink birth weight (g) ≥10
Survival rate of larvae at weaning (%) ≥90
Good motherhood
Strong lactation
Age (years of age) ≤3
Moulting starts in mid-September
Plush quality--Excellent
In good condition
Health, health, healthy
Identification of descendants
5 Appendix B
(Informative appendix)
Breed registration card
Table B.1 Male Mink Registration Card
Marten level entry time source
grandfather
Paternal
grandmother
Grandfather
date of birth
Parent
Grandmother
Annual number of litters born on mating date of mated female marten (only)
Table B.2 Female Mink Registration Cards
Marten level entry time source
grandfather
Paternal
grandmother
Grandfather
date of birth
Parent
Grandmother
Annual breeding date Litter date Litter number Lactation number Weaning number Lactation date
6 Appendix C
(Informative appendix)
Mink Breeding Record Form
Table C.1 Mink breeding records
Serial Number Female Marten First Second Second Third
Male Marten Male Marten
Time time time
Male Marten Male Marten
Time time time
..
Male Marten Male Marten
Time time time
Table C.2 Mink farrowing records
Number of litters (only)
Serial Number
Male and female died and survived
Note
...
