Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.16
Milk (kg) -12.00 -0.014 0.17
Fat (kg) -6.28 -0.375 2.35
Prot (kg) 0.82 -0.441 -0.36
Fertility Sub Index 3.52
Calving Interval (days) -1.47 -1.459 2.14
Survival (%) 1.23 1.117 1.37
Calving Sub Index -1.29
Gestation Length (days) 1.40 -0.919 -1.29
Beef Sub Index -3.52
Carcass Weight (kg) 5.90 -0.528 -3.11
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index -3.92
Live WT (kg) 12.80 -0.307 -3.92
Total Carbon Sub Index -3.05

* Based on an €80/tonne carbon price