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 16.49
Milk (kg) -353.00 -0.014 4.94
Fat (kg) -13.20 -0.375 4.94
Prot (kg) -14.96 -0.441 6.60
Fertility Sub Index 1.54
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.40 1.117 0.45
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.24
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 28.09

* Based on an €80/tonne carbon price