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 9.82
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -9.02 -0.375 3.38
Prot (kg) -8.79 -0.441 3.88
Fertility Sub Index -1.07
Calving Interval (days) 0.53 -1.459 -0.77
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.04
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 15.30

* Based on an €80/tonne carbon price