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 12.58
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -14.84 -0.375 5.56
Prot (kg) -10.90 -0.441 4.81
Fertility Sub Index -3.48
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) -2.71 1.117 -3.03
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.33
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 11.44

* Based on an €80/tonne carbon price