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 3.41
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -2.36 -0.375 0.88
Prot (kg) -1.95 -0.441 0.86
Fertility Sub Index 7.06
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 0.22 1.117 0.25
Calving Sub Index 3.85
Gestation Length (days) -4.19 -0.919 3.85
Beef Sub Index -1.02
Carcass Weight (kg) 4.00 -0.528 -2.11
Age of Slaughter (days) -2.52 -0.432 1.09
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price