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 3.08
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index 1.11
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.45
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -2.37 -0.432 1.02
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 16.87

* Based on an €80/tonne carbon price