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 3.45
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 0.67
Calving Interval (days) -0.23 -1.459 0.34
Survival (%) 0.30 1.117 0.34
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.92
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 13.95

* Based on an €80/tonne carbon price