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 4.35
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -3.54 -0.375 1.33
Prot (kg) -2.41 -0.441 1.06
Fertility Sub Index -14.38
Calving Interval (days) 6.81 -1.459 -9.94
Survival (%) -3.98 1.117 -4.45
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index -0.11
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index -8.70

* Based on an €80/tonne carbon price