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 5.87
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -2.56 -0.375 0.96
Prot (kg) -5.29 -0.441 2.33
Fertility Sub Index 2.10
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.07
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.38 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 19.93

* Based on an €80/tonne carbon price