DB4313/T 0002-2023 “湘中黑牛”繁育技术规程

ICS65.020.01

CCSB43

4313

娄底市地方标准

DB4313/T0002—2023

“湘中黑牛”繁育技术规程

TechnicalRegulationofBreedingforXiangzhongblackcattle

2023-03-15发布2023-03-15实施

娄底市市场监督管理局

发布

娄底市农业农村局

DB4313/T0002—2023

目次

前言························································································································Ⅲ

1范围·····················································································································1

2规范性引用文件······································································································1

3术语和定义············································································································1

4繁育程序···············································································································2

5杂交改良···············································································································4

5.1引入品种·········································································································4

5.2杂交亲本选择···································································································4

5.3巫陵牛改良······································································································4

6品种选育···············································································································4

6.1横交固定·········································································································4

6.2选种···············································································································4

6.3选配···············································································································4

6.4扩繁提高·········································································································4

7发情鉴定···············································································································5

7.1发情周期·········································································································5

7.2发情持续期······································································································5

7.3鉴定方法·········································································································5

8配种·····················································································································5

8.1配种时间·········································································································5

8.2配种方式·········································································································6

9妊娠与分娩············································································································6

9.1孕期饲养管理···································································································6

9.2预产期············································································································6

9.3接产···············································································································6

9.4产后护理·········································································································6

10犊牛护理··············································································································6

10.1出生··············································································································6

10.2吮乳··············································································································6

10.3饲喂··············································································································7

10.4断奶··············································································································7

10.5分群··············································································································7

11档案管理··············································································································7