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 1.33
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -2.52 -0.375 0.94
Prot (kg) -0.47 -0.441 0.21
Fertility Sub Index -0.72
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 2.81
Gestation Length (days) -3.06 -0.919 2.81
Beef Sub Index 3.32
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -2.31 -0.432 1.00
Maintenance Sub Index Maint. Sub Index -4.29
Live WT (kg) 14.00 -0.307 -4.29
Total Carbon Sub Index 2.45

* Based on an €80/tonne carbon price