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 8.30
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -9.57 -0.375 3.58
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 1.65
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 3.31
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) -2.78 -0.432 1.20
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 23.46

* Based on an €80/tonne carbon price