Milk output broke records in 2025, as Irish farmers supplied an extra 406.8m litres of milk when compared with 2024.

Milk volumes were estimated at 8.84bn litres in 2025, up 4.8% on the year prior and the highest ever recorded, according to the Central Statistic Office (CSO).

Last year's volumes were also up 376.8m litres, or 4.5%, when compared with 2023.

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Milk supplied to processors increased for each month in 2025 when compared with the same month of 2024, except for the months of February, November and December.

Analysis of December 2025 shows that 259.7m litres were supplied to co-ops by Irish farmers, a decrease of 3% when compared with December 2024, but up 26.5% when compared with the same month in 2023.

Fat content for December 2025 was 4.93%, up from 4.83% in December 2024. Protein content also rose to 3.85% in December 2025, compared with 3.80% a year earlier.

Butter

Butter production remained at 12,400t, unchanged from December 2024 to December 2025.

However, when looking at 2025 as a whole, butter production rose by 18,700t, from 267,600t in 2024 to 286,200t in 2025.