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 1.95
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 6.25 -0.375 -2.34
Prot (kg) -9.53 -0.441 4.21
Fertility Sub Index 1.11
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 0.12
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.27 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 3.28

* Based on an €80/tonne carbon price