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 3.10
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -2.85 -0.441 1.26
Fertility Sub Index 1.09
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) 0.70 1.117 0.78
Calving Sub Index -0.39
Gestation Length (days) 0.42 -0.919 -0.39
Beef Sub Index 1.06
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 10.14

* Based on an €80/tonne carbon price