The total number of pigs in England has increased by 1.5% since December 2013 to just under 3.7 million. With the breeding herd showing a 3.8% decrease, this rise was driven by a 2.2% increase in the number of fattening pigs, to almost 3.3 million, as the improvement in sow productivity continues.
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Figure 1. Proportion of pigs in the breeding herd compared to the total number of fattening pigs.
Thursday 5 March, 2015/ DEFRA/ United Kingdom.
https://www.gov.uk/