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 5.90
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -3.60 -0.375 1.35
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index -0.30
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.86
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.00 -0.432 0.43
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 16.49

* Based on an €80/tonne carbon price