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 5.04
Milk (kg) -280.00 -0.014 3.92
Fat (kg) -0.18 -0.375 0.07
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 0.76
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.22 1.117 0.25
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 0.60
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.98 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 9.02

* Based on an €80/tonne carbon price