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 2.11
Milk (kg) -91.00 -0.014 1.27
Fat (kg) 0.29 -0.375 -0.11
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index -0.36
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.68
Gestation Length (days) 0.74 -0.919 -0.68
Beef Sub Index 1.22
Carcass Weight (kg) -2.35 -0.528 1.24
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 4.43

* Based on an €80/tonne carbon price