Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 12.11
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -11.99 -0.375 4.49
Prot (kg) -11.32 -0.441 5.00
Fertility Sub Index 1.91
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 0.20
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 17.78

* Based on an €80/tonne carbon price