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 3.36
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -2.53 -0.375 0.95
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 1.62
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.46 1.117 0.51
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.52
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.81 -0.432 0.78
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 16.52

* Based on an €80/tonne carbon price