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 6.18
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -0.85 -0.375 0.32
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index -6.94
Calving Interval (days) 4.19 -1.459 -6.11
Survival (%) -0.74 1.117 -0.83
Calving Sub Index 2.82
Gestation Length (days) -3.07 -0.919 2.82
Beef Sub Index -7.40
Carcass Weight (kg) 14.80 -0.528 -7.81
Age of Slaughter (days) -0.95 -0.432 0.41
Maintenance Sub Index Maint. Sub Index -15.02
Live WT (kg) 49.00 -0.307 -15.02
Total Carbon Sub Index -20.36

* Based on an €80/tonne carbon price