The Poultry Laying Flocks (Registration and Testing etc.) Order (Northern Ireland) 1990
1990年《家禽饲养群（登记及测试等）令》（北爱尔兰）

The Poultry Breeding Flocks and Hatcheries (Registration and Testing etc.) (Revocation) Order (Northern Ireland) 1994
1994年《家禽饲养群及孵化场（注册及测试等）（撤销）令》（北爱尔兰）

The Poultry Breeding Flocks and Hatcheries (Registration and Testing etc.) Order (Northern Ireland) 1990
1990年《家禽饲养群及孵化场（注册及测试等）令》（北爱尔兰）

The Poultry Breeding Flocks and Hatcheries (Registration and Testing etc.) (Amendment) Order (Northern Ireland) 1991
1991年《家禽饲养群及孵化场（注册及测试等）（修订）令》（北爱尔兰）