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 5.68
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -0.12 -0.375 0.04
Prot (kg) -8.35 -0.441 3.69
Fertility Sub Index 2.31
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.06 1.117 0.07
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index 0.26
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.35 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 11.96

* Based on an €80/tonne carbon price