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 8.37
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -9.09 -0.375 3.40
Prot (kg) -8.04 -0.441 3.55
Fertility Sub Index 1.38
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.33
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 20.14

* Based on an €80/tonne carbon price