Generalised Pig Categories as reported by the Agricultural Census.
| Agricultural Census Generalised Pig Categories | 1961 |
|---|---|
| Breeding Sows |
665,459
|
| Piglets (Aged under 5 months) |
3,471,549
|
| All Other Pigs |
872,399
|
| Date: | Source: |
|---|---|
| 1961 | Great Britain Historical GIS Project |
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This set of three generalised categories is similar to those used for sheep, but can only be reconstructed for 1940 onwards. By identifying breeding sowes, piglets under 5 months and all other pigs we have approximate measures of the breeding stock and the productivity of that stock.