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 10.14
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -10.39 -0.375 3.89
Prot (kg) -10.42 -0.441 4.60
Fertility Sub Index -5.96
Calving Interval (days) 2.95 -1.459 -4.30
Survival (%) -1.48 1.117 -1.65
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index 0.34
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 4.51

* Based on an €80/tonne carbon price