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 18.60
Milk (kg) -615.00 -0.014 8.61
Fat (kg) -7.89 -0.375 2.96
Prot (kg) -15.95 -0.441 7.04
Fertility Sub Index 1.52
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.08
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 20.23

* Based on an €80/tonne carbon price