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 3.34
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 0.99
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) 0.38 1.117 0.42
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.34
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.20 -0.432 -1.81
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 13.97

* Based on an €80/tonne carbon price