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 12.50
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -9.74 -0.375 3.65
Prot (kg) -10.32 -0.441 4.55
Fertility Sub Index -0.19
Calving Interval (days) 0.43 -1.459 -0.63
Survival (%) 0.39 1.117 0.44
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 1.65
Carcass Weight (kg) -9.90 -0.528 5.22
Age of Slaughter (days) 8.27 -0.432 -3.57
Maintenance Sub Index Maint. Sub Index 10.48
Live WT (kg) -34.20 -0.307 10.48
Total Carbon Sub Index 25.35

* Based on an €80/tonne carbon price