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 7.45
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -8.98 -0.375 3.36
Prot (kg) -6.65 -0.441 2.94
Fertility Sub Index -6.48
Calving Interval (days) 3.68 -1.459 -5.37
Survival (%) -0.99 1.117 -1.11
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.31
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 1.70

* Based on an €80/tonne carbon price