核心群是采用近亲交配方式繁育,以保持先天性白内障小鼠种群自身传代繁衍并为扩大繁育提供种用动物,同时根据个体或家系成绩做纯种(系)选育,以培育种公羊与种母羊为主的群体。
| 标准号 & 类别 | 标准名称 | 发布 |
|---|---|---|
| DB13/T 5479-2021 规范 |
Holstein Cattle Nucleus Breeding Technical Regulations
奶牛场 荷斯坦牛 |
2021-12-13 河北省标准 |
| DB1301/T 382-2021 规程标准 |
Technical regulations for establishing core group of Ussuri raccoon dogs
选育 |
2021-07-30 河北省标准 |
| DB14/T 3569-2025 规程标准 |
Technical Regulations for the Selection and Breeding of Bianji Chicken
|
2025-12-31 山西省标准 |
| DB1508/T 159-2024 术语 |
Technical specification for the construction of the breeding system of Erlangshan white cashmere goats
|
2024-07-31 内蒙古自治区标准 |
| DB5134/T 33-2023 术语/规范 |
Liangshan semi-fine wool sheep breeding technical regulations
种羊 |
2023-12-05 四川省标准 |
| DB62/T 5189-2025 规范 |
Technical Specification for Bull Breeding Selection
种公牛 |
2026-01-07 甘肃省地方标准 |
| DB63/T 1878-2020 规范 |
Technical Regulations for Breeding Bulls of Qaidam Yellow Cattle
种公牛 |
2020-12-09 青海省标准 |
| DB63/T 2421-2025 规范 |
Technical regulations for breeding Zashiga sheep
选育 |
2025-03-24 青海省标准 |
| DB63/T 2492-2026 规程标准 |
Technical Specifications for the Breeding of JiuZhi Yaks
选育 |
2026-01-09 青海省标准 |
| DB65/T 3814-2015 规范 |
Breeding technical regulation of speed step horse
选育 |
2015-10-15 新疆维吾尔自治区标准 |
| DB65/T 4101-2018 规范 |
Technical Regulations for Hetian Sheep Breeding
|
2018-03-01 新疆维吾尔自治区标准 |
| DB65/T 4714-2023 试验规范 |
Technical specifications for the whole process management of experimental animals congenital cataract mice
封闭群 |
2024-02-23 新疆维吾尔自治区标准 |
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