Pig Progress Irish pig farms produced 2,593 kg of pig meat per sow last year, up 6.8% since 2020, according to Teagasc’s National Pig Herd Performance Report 2025. Photo: Herbert Wiggerman The agricultural research institute said the increase was due to a combination of more pigs produced per sow per year and higher carcase weights. The report is based on data from 85 herds with a total of 74,000 sows, representing 55% of Ireland’s national sow herd.