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 7.72
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -8.40 -0.375 3.15
Prot (kg) -9.48 -0.441 4.18
Fertility Sub Index -13.11
Calving Interval (days) 6.98 -1.459 -10.18
Survival (%) -2.62 1.117 -2.93
Calving Sub Index 1.23
Gestation Length (days) -1.34 -0.919 1.23
Beef Sub Index 0.51
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 5.17 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index -1.62

* Based on an €80/tonne carbon price