The Accredited Pig Herds and Litter Testing (Amendment) Scheme (Northern Ireland) 1962
经认可的猪群及产仔测试（修订）计划（北爱尔兰）1962年

The Accredited Pig Herds and Litter Testing (Amendment) Scheme (Northern Ireland) 1963
经认可的猪群及窝检（修订）计划（北爱尔兰）1963年

The Accredited Pig Herds and Litter Testing (Amendment) Scheme (Northern Ireland) 1958
经认可的猪群及窝仔测试（修订）计划（北爱尔兰）1958年

The Accredited Pig Herds and Litter Testing Scheme (Northern Ireland) 1961
经认可的猪群和猪粪测试计划（北爱尔兰）1961年

The Accredited Pig Herds and Litter Testing Scheme (Northern Ireland) 1958
认可的猪群和猪粪测试计划（北爱尔兰）1958年

The Accredited Pig Herds and Pig Testing (Amendment) Scheme (Northern Ireland) 1969
1969年认可的猪群和猪测试（修订）计划（北爱尔兰）

The Accredited Pig Herds and Pig Testing (Amendment) Scheme (Northern Ireland) 1972
经认可的猪群及猪测试（修订）计划（北爱尔兰）1972年

The Accredited Pig Herds and Pig Testing (Amendment) (No. 3) Scheme (Northern Ireland) 1969
1969年认可的猪群及猪测试（修订）（第3号）计划（北爱尔兰）

The Accredited Pig Herds and Pig Testing (Amendment) (No. 2) Scheme (Northern Ireland) 1969
1969年认可的猪群及猪测试（修订）（第2号）计划（北爱尔兰）