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 1.90
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index 0.23
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 2.97

* Based on an €80/tonne carbon price