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 0.92
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -1.23 -0.375 0.46
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 0.64
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.34
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 3.59

* Based on an €80/tonne carbon price