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 6.04
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -3.70 -0.375 1.39
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index 1.12
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.05
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 15.51

* Based on an €80/tonne carbon price